http://wiki.scalelogicinc.com/index.php?action=history&feed=atom&title=DatasetDataset - Revision history2026-05-05T04:24:06ZRevision history for this page on the wikiMediaWiki 1.44.5http://wiki.scalelogicinc.com/zx/index.php?title=Dataset&diff=1836&oldid=prevPa-P: 1 revision imported2026-03-19T14:08:51Z<p>1 revision imported</p>
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</td></tr></table>Pa-Phttp://wiki.scalelogicinc.com/zx/index.php?title=Dataset&diff=1835&oldid=prevmigrate>Da-F at 07:52, 15 January 20262026-01-15T07:52:58Z<p></p>
<a href="http://wiki.scalelogicinc.com/zx/index.php?title=Dataset&diff=1835&oldid=1297">Show changes</a>migrate>Da-Fhttp://wiki.scalelogicinc.com/zx/index.php?title=Dataset&diff=1297&oldid=prevPa-P at 12:37, 22 September 20202020-09-22T12:37:13Z<p></p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''SECONDARY CACHE''' - controls what is cached in the secondary cache (L2ARC). If this property is set to '''all''', then both user data and metadata is cached. If this property is set to '''none''', then neither user data nor metadata is cached. If this property is set to metadata, then only metadata is cached. The default value is '''all'''.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''SECONDARY CACHE''' - controls what is cached in the secondary cache (L2ARC). If this property is set to '''all''', then both user data and metadata is cached. If this property is set to '''none''', then neither user data nor metadata is cached. If this property is set to metadata, then only metadata is cached. The default value is '''all'''.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''ACCESS TIME '''- controls whether the access time for files is updated when they are read. Turning this property off avoids producing write traffic when reading files and can result in significant performance gains, though it might confuse mailers and other similar utilities. The default value is '''on'''.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''ACCESS TIME '''- controls whether the access time for files is updated when they are read. Turning this property off avoids producing write traffic when reading files and can result in significant performance gains, though it might confuse mailers and other similar utilities. The default value is '''on'''.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*'''QUOTA''' - Limits the amount of space a dataset and its descendents can consume. This property enforces a hard limit on the amount of space used. This includes all space consumed by descendents, including file systems and snapshots.<br/>Quota can’t be smaller than Reservation.<br/><br/>'''<del style="font-weight: bold; text-decoration: none;">Genesis </del>ZX up18 or higher'''</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*'''QUOTA''' - Limits the amount of space a dataset and its descendents can consume. This property enforces a hard limit on the amount of space used. This includes all space consumed by descendents, including file systems and snapshots.<br/>Quota can’t be smaller than Reservation.<br/><br/>'''ZX up18 or higher'''</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*'''ZFS RESERVATION''' - is an allocation of disk space from the pool that is guaranteed to be available to a dataset. As such, you cannot reserve disk space for a dataset if that space is not currently available in the pool. The total amount of all outstanding, unconsumed reservations cannot exceed the amount of unused disk space in the pool.<br/>Include snapshots and clones<br/>If set than disk space is guaranteed for datasets and their descendents like snapshots and clones<br/>If not set disk space is guaranteed only for a dataset without its descendents (does not include disk space consumed by snapshots and clones) This kind of reservation is also called refreservation in ZFS<br/><br/>'''Additional info about quota and ZFS reservation:'''<br/>You can use the quota property to set a limit on the amount of disk space a file system can use. In addition, you can use the reservation property to guarantee that a specified amount of disk space is available to a file system.<br/><br/>'''<del style="font-weight: bold; text-decoration: none;">Genesis </del>ZX up25 or higher'''</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*'''ZFS RESERVATION''' - is an allocation of disk space from the pool that is guaranteed to be available to a dataset. As such, you cannot reserve disk space for a dataset if that space is not currently available in the pool. The total amount of all outstanding, unconsumed reservations cannot exceed the amount of unused disk space in the pool.<br/>Include snapshots and clones<br/>If set than disk space is guaranteed for datasets and their descendents like snapshots and clones<br/>If not set disk space is guaranteed only for a dataset without its descendents (does not include disk space consumed by snapshots and clones) This kind of reservation is also called refreservation in ZFS<br/><br/>'''Additional info about quota and ZFS reservation:'''<br/>You can use the quota property to set a limit on the amount of disk space a file system can use. In addition, you can use the reservation property to guarantee that a specified amount of disk space is available to a file system.<br/><br/>'''ZX up25 or higher'''</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''recordsize=size'''<br/>Specifies a suggested block size for files in the file system. &nbsp;This property is designed solely for use with database workloads that access files in fixed-size records. &nbsp;ZFS automatically tunes block sizes according to internal algorithms optimized for typical access patterns. For databases that create very large files but access them in small random chunks, these algorithms may be suboptimal. &nbsp;Specifying a recordsize greater than or equal to the record size of the database can result in significant performance gains. &nbsp;Use of this property for general purpose file systems is strongly discouraged, and may adversely affect performance. You can choose between&nbsp;: 4; 8; 16; 32; 64; 128; 256; 512[KiB] and 1MB. Changing the file system's recordsize affects only files created afterward; existing files are unaffected.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''recordsize=size'''<br/>Specifies a suggested block size for files in the file system. &nbsp;This property is designed solely for use with database workloads that access files in fixed-size records. &nbsp;ZFS automatically tunes block sizes according to internal algorithms optimized for typical access patterns. For databases that create very large files but access them in small random chunks, these algorithms may be suboptimal. &nbsp;Specifying a recordsize greater than or equal to the record size of the database can result in significant performance gains. &nbsp;Use of this property for general purpose file systems is strongly discouraged, and may adversely affect performance. You can choose between&nbsp;: 4; 8; 16; 32; 64; 128; 256; 512[KiB] and 1MB. Changing the file system's recordsize affects only files created afterward; existing files are unaffected.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Help topics]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Help topics]]</div></td></tr>
</table>Pa-Phttp://wiki.scalelogicinc.com/zx/index.php?title=Dataset&diff=1296&oldid=prevMa-W at 11:23, 8 September 20202020-09-08T11:23:55Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:23, 8 September 2020</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''SECONDARY CACHE''' - controls what is cached in the secondary cache (L2ARC). If this property is set to '''all''', then both user data and metadata is cached. If this property is set to '''none''', then neither user data nor metadata is cached. If this property is set to metadata, then only metadata is cached. The default value is '''all'''.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''SECONDARY CACHE''' - controls what is cached in the secondary cache (L2ARC). If this property is set to '''all''', then both user data and metadata is cached. If this property is set to '''none''', then neither user data nor metadata is cached. If this property is set to metadata, then only metadata is cached. The default value is '''all'''.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''ACCESS TIME '''- controls whether the access time for files is updated when they are read. Turning this property off avoids producing write traffic when reading files and can result in significant performance gains, though it might confuse mailers and other similar utilities. The default value is '''on'''.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''ACCESS TIME '''- controls whether the access time for files is updated when they are read. Turning this property off avoids producing write traffic when reading files and can result in significant performance gains, though it might confuse mailers and other similar utilities. The default value is '''on'''.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*'''QUOTA''' - Limits the amount of space a dataset and its descendents can consume. This property enforces a hard limit on the amount of space used. This includes all space consumed by descendents, including file systems and snapshots.<br/>Quota can’t be smaller than Reservation.<br/><br/>'''<del style="font-weight: bold; text-decoration: none;">GenesisZX </del>up18 or higher'''</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*'''QUOTA''' - Limits the amount of space a dataset and its descendents can consume. This property enforces a hard limit on the amount of space used. This includes all space consumed by descendents, including file systems and snapshots.<br/>Quota can’t be smaller than Reservation.<br/><br/>'''<ins style="font-weight: bold; text-decoration: none;">Genesis ZX </ins>up18 or higher'''</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*'''ZFS RESERVATION''' - is an allocation of disk space from the pool that is guaranteed to be available to a dataset. As such, you cannot reserve disk space for a dataset if that space is not currently available in the pool. The total amount of all outstanding, unconsumed reservations cannot exceed the amount of unused disk space in the pool.<br/>Include snapshots and clones<br/>If set than disk space is guaranteed for datasets and their descendents like snapshots and clones<br/>If not set disk space is guaranteed only for a dataset without its descendents (does not include disk space consumed by snapshots and clones) This kind of reservation is also called refreservation in ZFS<br/><br/>'''Additional info about quota and ZFS reservation:'''<br/>You can use the quota property to set a limit on the amount of disk space a file system can use. In addition, you can use the reservation property to guarantee that a specified amount of disk space is available to a file system.<br/><br/>'''<del style="font-weight: bold; text-decoration: none;">GenesisZX </del>up25 or higher'''</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*'''ZFS RESERVATION''' - is an allocation of disk space from the pool that is guaranteed to be available to a dataset. As such, you cannot reserve disk space for a dataset if that space is not currently available in the pool. The total amount of all outstanding, unconsumed reservations cannot exceed the amount of unused disk space in the pool.<br/>Include snapshots and clones<br/>If set than disk space is guaranteed for datasets and their descendents like snapshots and clones<br/>If not set disk space is guaranteed only for a dataset without its descendents (does not include disk space consumed by snapshots and clones) This kind of reservation is also called refreservation in ZFS<br/><br/>'''Additional info about quota and ZFS reservation:'''<br/>You can use the quota property to set a limit on the amount of disk space a file system can use. In addition, you can use the reservation property to guarantee that a specified amount of disk space is available to a file system.<br/><br/>'''<ins style="font-weight: bold; text-decoration: none;">Genesis ZX </ins>up25 or higher'''</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''recordsize=size'''<br/>Specifies a suggested block size for files in the file system. &nbsp;This property is designed solely for use with database workloads that access files in fixed-size records. &nbsp;ZFS automatically tunes block sizes according to internal algorithms optimized for typical access patterns. For databases that create very large files but access them in small random chunks, these algorithms may be suboptimal. &nbsp;Specifying a recordsize greater than or equal to the record size of the database can result in significant performance gains. &nbsp;Use of this property for general purpose file systems is strongly discouraged, and may adversely affect performance. You can choose between&nbsp;: 4; 8; 16; 32; 64; 128; 256; 512[KiB] and 1MB. Changing the file system's recordsize affects only files created afterward; existing files are unaffected.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''recordsize=size'''<br/>Specifies a suggested block size for files in the file system. &nbsp;This property is designed solely for use with database workloads that access files in fixed-size records. &nbsp;ZFS automatically tunes block sizes according to internal algorithms optimized for typical access patterns. For databases that create very large files but access them in small random chunks, these algorithms may be suboptimal. &nbsp;Specifying a recordsize greater than or equal to the record size of the database can result in significant performance gains. &nbsp;Use of this property for general purpose file systems is strongly discouraged, and may adversely affect performance. You can choose between&nbsp;: 4; 8; 16; 32; 64; 128; 256; 512[KiB] and 1MB. Changing the file system's recordsize affects only files created afterward; existing files are unaffected.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Help topics]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Help topics]]</div></td></tr>
</table>Ma-Whttp://wiki.scalelogicinc.com/zx/index.php?title=Dataset&diff=1295&oldid=prevMa-W at 11:13, 15 March 20192019-03-15T11:13:40Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:13, 15 March 2019</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''ZFS RESERVATION''' - is an allocation of disk space from the pool that is guaranteed to be available to a dataset. As such, you cannot reserve disk space for a dataset if that space is not currently available in the pool. The total amount of all outstanding, unconsumed reservations cannot exceed the amount of unused disk space in the pool.<br/>Include snapshots and clones<br/>If set than disk space is guaranteed for datasets and their descendents like snapshots and clones<br/>If not set disk space is guaranteed only for a dataset without its descendents (does not include disk space consumed by snapshots and clones) This kind of reservation is also called refreservation in ZFS<br/><br/>'''Additional info about quota and ZFS reservation:'''<br/>You can use the quota property to set a limit on the amount of disk space a file system can use. In addition, you can use the reservation property to guarantee that a specified amount of disk space is available to a file system.<br/><br/>'''GenesisZX up25 or higher'''</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''ZFS RESERVATION''' - is an allocation of disk space from the pool that is guaranteed to be available to a dataset. As such, you cannot reserve disk space for a dataset if that space is not currently available in the pool. The total amount of all outstanding, unconsumed reservations cannot exceed the amount of unused disk space in the pool.<br/>Include snapshots and clones<br/>If set than disk space is guaranteed for datasets and their descendents like snapshots and clones<br/>If not set disk space is guaranteed only for a dataset without its descendents (does not include disk space consumed by snapshots and clones) This kind of reservation is also called refreservation in ZFS<br/><br/>'''Additional info about quota and ZFS reservation:'''<br/>You can use the quota property to set a limit on the amount of disk space a file system can use. In addition, you can use the reservation property to guarantee that a specified amount of disk space is available to a file system.<br/><br/>'''GenesisZX up25 or higher'''</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''recordsize=size'''<br/>Specifies a suggested block size for files in the file system. &nbsp;This property is designed solely for use with database workloads that access files in fixed-size records. &nbsp;ZFS automatically tunes block sizes according to internal algorithms optimized for typical access patterns. For databases that create very large files but access them in small random chunks, these algorithms may be suboptimal. &nbsp;Specifying a recordsize greater than or equal to the record size of the database can result in significant performance gains. &nbsp;Use of this property for general purpose file systems is strongly discouraged, and may adversely affect performance. You can choose between&nbsp;: 4; 8; 16; 32; 64; 128; 256; 512[KiB] and 1MB. Changing the file system's recordsize affects only files created afterward; existing files are unaffected.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''recordsize=size'''<br/>Specifies a suggested block size for files in the file system. &nbsp;This property is designed solely for use with database workloads that access files in fixed-size records. &nbsp;ZFS automatically tunes block sizes according to internal algorithms optimized for typical access patterns. For databases that create very large files but access them in small random chunks, these algorithms may be suboptimal. &nbsp;Specifying a recordsize greater than or equal to the record size of the database can result in significant performance gains. &nbsp;Use of this property for general purpose file systems is strongly discouraged, and may adversely affect performance. You can choose between&nbsp;: 4; 8; 16; 32; 64; 128; 256; 512[KiB] and 1MB. Changing the file system's recordsize affects only files created afterward; existing files are unaffected.</div></td></tr>
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</table>Ma-Whttp://wiki.scalelogicinc.com/zx/index.php?title=Dataset&diff=1294&oldid=prevMa-W at 11:12, 15 March 20192019-03-15T11:12:44Z<p></p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''NAME''' of the dataset. Only "a-z, A-Z, 0-9, .&nbsp;: _ - are allowed.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''NAME''' of the dataset. Only "a-z, A-Z, 0-9, .&nbsp;: _ - are allowed.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*'''DEDUPLICATION''' - controls whether deduplication is in effect for a dataset. By default the deduplication is disabled. It can be enabled by choosing the level of the deduplication:<br/><br/>- ON<br/>- VERIFY<br/>- SHA256<br/>- SHA256, VERIFY<del style="font-weight: bold; text-decoration: none;"><br/></del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*'''DEDUPLICATION''' - controls whether deduplication is in effect for a dataset. By default the deduplication is disabled. It can be enabled by choosing the level of the deduplication:<br/><br/>- ON<br/>- VERIFY<br/>- SHA256<br/>- SHA256, VERIFY</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''COPIES''' - controls the number of copies of data stored for this dataset. These copies are in addition to any redundancy provided by the pool, for example, mirroring or RAID-Z. The copies are stored on different disks, if possible. The space used by multiple copies is charged to the associated file and dataset, changing the '''used''' property and counting against quotas and reservations. By default it is set to '''1'''. Other values are '''2''' or '''3'''.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''COPIES''' - controls the number of copies of data stored for this dataset. These copies are in addition to any redundancy provided by the pool, for example, mirroring or RAID-Z. The copies are stored on different disks, if possible. The space used by multiple copies is charged to the associated file and dataset, changing the '''used''' property and counting against quotas and reservations. By default it is set to '''1'''. Other values are '''2''' or '''3'''.</div></td></tr>
</table>Ma-Whttp://wiki.scalelogicinc.com/zx/index.php?title=Dataset&diff=1293&oldid=prevMa-W at 11:12, 15 March 20192019-03-15T11:12:30Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:12, 15 March 2019</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''NAME''' of the dataset. Only "a-z, A-Z, 0-9, .&nbsp;: _ - are allowed.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''NAME''' of the dataset. Only "a-z, A-Z, 0-9, .&nbsp;: _ - are allowed.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*'''DEDUPLICATION''' - controls whether deduplication is in effect for a dataset. By default the deduplication is disabled. It can be enabled by choosing the level of the deduplication:<br/><br/>- ON<del style="font-weight: bold; text-decoration: none;"><br/></del><br/>- VERIFY<br/><br/>- SHA256<br/><del style="font-weight: bold; text-decoration: none;"><br/>- SHA256, VERIFY</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*'''DEDUPLICATION''' - controls whether deduplication is in effect for a dataset. By default the deduplication is disabled. It can be enabled by choosing the level of the deduplication:<br/><br/>- ON<br/>- VERIFY<br/><ins style="font-weight: bold; text-decoration: none;">- SHA256</ins><br/>- SHA256<ins style="font-weight: bold; text-decoration: none;">, VERIFY</ins><br/></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''COPIES''' - controls the number of copies of data stored for this dataset. These copies are in addition to any redundancy provided by the pool, for example, mirroring or RAID-Z. The copies are stored on different disks, if possible. The space used by multiple copies is charged to the associated file and dataset, changing the '''used''' property and counting against quotas and reservations. By default it is set to '''1'''. Other values are '''2''' or '''3'''.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''COPIES''' - controls the number of copies of data stored for this dataset. These copies are in addition to any redundancy provided by the pool, for example, mirroring or RAID-Z. The copies are stored on different disks, if possible. The space used by multiple copies is charged to the associated file and dataset, changing the '''used''' property and counting against quotas and reservations. By default it is set to '''1'''. Other values are '''2''' or '''3'''.</div></td></tr>
</table>Ma-Whttp://wiki.scalelogicinc.com/zx/index.php?title=Dataset&diff=1292&oldid=prevMa-W at 11:12, 15 March 20192019-03-15T11:12:10Z<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:12, 15 March 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l2">Line 2:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''NAME''' of the dataset. Only "a-z, A-Z, 0-9, .&nbsp;: _ - are allowed.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''NAME''' of the dataset. Only "a-z, A-Z, 0-9, .&nbsp;: _ - are allowed.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*'''DEDUPLICATION''' - controls whether deduplication is in effect for a dataset. By default the deduplication is disabled. It can be enabled by choosing the level of the deduplication:</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*'''DEDUPLICATION''' - controls whether deduplication is in effect for a dataset. By default the deduplication is disabled. It can be enabled by choosing the level of the deduplication:<ins style="font-weight: bold; text-decoration: none;"><br/><br/></ins>- ON<ins style="font-weight: bold; text-decoration: none;"><br/><br/></ins>- VERIFY<ins style="font-weight: bold; text-decoration: none;"><br/><br/></ins>- SHA256<ins style="font-weight: bold; text-decoration: none;"><br/><br/></ins>- SHA256, VERIFY</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </del>- ON</div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </del>- VERIFY</div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </del>- SHA256</div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </del>- SHA256, VERIFY</div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''COPIES''' - controls the number of copies of data stored for this dataset. These copies are in addition to any redundancy provided by the pool, for example, mirroring or RAID-Z. The copies are stored on different disks, if possible. The space used by multiple copies is charged to the associated file and dataset, changing the '''used''' property and counting against quotas and reservations. By default it is set to '''1'''. Other values are '''2''' or '''3'''.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''COPIES''' - controls the number of copies of data stored for this dataset. These copies are in addition to any redundancy provided by the pool, for example, mirroring or RAID-Z. The copies are stored on different disks, if possible. The space used by multiple copies is charged to the associated file and dataset, changing the '''used''' property and counting against quotas and reservations. By default it is set to '''1'''. Other values are '''2''' or '''3'''.</div></td></tr>
</table>Ma-Whttp://wiki.scalelogicinc.com/zx/index.php?title=Dataset&diff=1291&oldid=prevMa-W at 11:10, 15 March 20192019-03-15T11:10:40Z<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:10, 15 March 2019</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''ACCESS TIME '''- controls whether the access time for files is updated when they are read. Turning this property off avoids producing write traffic when reading files and can result in significant performance gains, though it might confuse mailers and other similar utilities. The default value is '''on'''.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''ACCESS TIME '''- controls whether the access time for files is updated when they are read. Turning this property off avoids producing write traffic when reading files and can result in significant performance gains, though it might confuse mailers and other similar utilities. The default value is '''on'''.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''QUOTA''' - Limits the amount of space a dataset and its descendents can consume. This property enforces a hard limit on the amount of space used. This includes all space consumed by descendents, including file systems and snapshots.<br/>Quota can’t be smaller than Reservation.<br/><br/>'''GenesisZX up18 or higher'''</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''QUOTA''' - Limits the amount of space a dataset and its descendents can consume. This property enforces a hard limit on the amount of space used. This includes all space consumed by descendents, including file systems and snapshots.<br/>Quota can’t be smaller than Reservation.<br/><br/>'''GenesisZX up18 or higher'''</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*'''ZFS RESERVATION''' - is an allocation of disk space from the pool that is guaranteed to be available to a dataset. As such, you cannot reserve disk space for a dataset if that space is not currently available in the pool. The total amount of all outstanding, unconsumed reservations cannot exceed the amount of unused disk space in the pool.<br/>Include snapshots and clones<br/>If set than disk space is guaranteed for datasets and their descendents like snapshots and clones<br/> If not set disk space is guaranteed only for a dataset without its descendents (does not include disk space consumed by snapshots and clones) This kind of reservation is also called refreservation in ZFS<br/><br/>'''Additional info about quota and ZFS reservation:'''<br/> You can use the quota property to set a limit on the amount of disk space a file system can use. In addition, you can use the reservation property to guarantee that a specified amount of disk space is available to a file system.<br/><br/>'''GenesisZX up25 or higher'''</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*'''ZFS RESERVATION''' - is an allocation of disk space from the pool that is guaranteed to be available to a dataset. As such, you cannot reserve disk space for a dataset if that space is not currently available in the pool. The total amount of all outstanding, unconsumed reservations cannot exceed the amount of unused disk space in the pool.<br/>Include snapshots and clones<br/>If set than disk space is guaranteed for datasets and their descendents like snapshots and clones<br/>If not set disk space is guaranteed only for a dataset without its descendents (does not include disk space consumed by snapshots and clones) This kind of reservation is also called refreservation in ZFS<br/><br/>'''Additional info about quota and ZFS reservation:'''<br/>You can use the quota property to set a limit on the amount of disk space a file system can use. In addition, you can use the reservation property to guarantee that a specified amount of disk space is available to a file system.<br/><br/>'''GenesisZX up25 or higher'''</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*'''recordsize=size'''</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*'''recordsize=size'''<ins style="font-weight: bold; text-decoration: none;"><br/></ins>Specifies a suggested block size for files in the file system. &nbsp;This property is designed solely for use with database workloads that access files in fixed-size records. &nbsp;ZFS automatically tunes block sizes according to internal algorithms optimized for typical access patterns. For databases that create very large files but access them in small random chunks, these algorithms may be suboptimal. &nbsp;Specifying a recordsize greater than or equal to the record size of the database can result in significant performance gains. &nbsp;Use of this property for general purpose file systems is strongly discouraged, and may adversely affect performance. You can choose between&nbsp;: 4; 8; 16; 32; 64; 128; 256; 512[KiB] and 1MB. Changing the file system's recordsize affects only files created afterward; existing files are unaffected.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Specifies a suggested block size for files in the file system. &nbsp;This property is designed solely for use with database workloads that access files in fixed-size records. &nbsp;ZFS automatically tunes block sizes according to internal algorithms optimized for typical access patterns. For databases that create very large files but access them in small random chunks, these algorithms may be suboptimal. &nbsp;Specifying a recordsize greater than or equal to the record size of the database can result in significant performance gains. &nbsp;Use of this property for general purpose file systems is strongly discouraged, and may adversely affect performance. You can choose between&nbsp;: 4; 8; 16; 32; 64; 128; 256; 512[KiB] and 1MB. Changing the file system's recordsize affects only files created afterward; existing files are unaffected.</div></td><td colspan="2" class="diff-side-added"></td></tr>
</table>Ma-Whttp://wiki.scalelogicinc.com/zx/index.php?title=Dataset&diff=1290&oldid=prevMa-W at 11:09, 15 March 20192019-03-15T11:09:36Z<p></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:09, 15 March 2019</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''COPIES''' - controls the number of copies of data stored for this dataset. These copies are in addition to any redundancy provided by the pool, for example, mirroring or RAID-Z. The copies are stored on different disks, if possible. The space used by multiple copies is charged to the associated file and dataset, changing the '''used''' property and counting against quotas and reservations. By default it is set to '''1'''. Other values are '''2''' or '''3'''.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''COPIES''' - controls the number of copies of data stored for this dataset. These copies are in addition to any redundancy provided by the pool, for example, mirroring or RAID-Z. The copies are stored on different disks, if possible. The space used by multiple copies is charged to the associated file and dataset, changing the '''used''' property and counting against quotas and reservations. By default it is set to '''1'''. Other values are '''2''' or '''3'''.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*'''COMPRESSION- '''controls the compression algorithm used for this dataset. By default it is set to '''lz4'''.&nbsp;If the compression is not needed, it can be disabled('''NONE<del style="font-weight: bold; text-decoration: none;"><span data-cke-bookmark="1" style="display: none">&nbsp;</span></del>''').<del style="font-weight: bold; text-decoration: none;"><span data-cke-bookmark="1" style="display: none">&nbsp;</span></del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*'''COMPRESSION- '''controls the compression algorithm used for this dataset. By default it is set to '''lz4'''.&nbsp;If the compression is not needed, it can be disabled('''NONE''').</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''SYNC'''. - ZFS synchronisation. By default it is set to '''standard'''.<br/>'''sync=standard'''<br/>Synchronous file system transactions (fsync, O_DSYNC, O_SYNC, etc) are written out (to the intent log and then secondly all devices written are flushed to ensure the data is stable (not cached by device controllers).<br/>'''sync=always'''<br/>For the ultra-cautious, every file system transaction is written and flushed to stable storage by a system call return. This obviously has a big performance penalty.<br/>'''sync=disabled'''<br/>Synchronous requests are disabled. File system transactions only commit to stable storage on the next DMU transaction group commit which can be many seconds. This option gives the highest performance. However, it is very dangerous as ZFS is ignoring the synchronous transaction demands of applications such as databases or NFS.<br/>Setting sync=disabled on the currently active root or /var file system may result in out-of-spec behavior, application data loss and increased vulnerability to replay attacks.<br/>This option does *NOT* affect ZFS on-disk consistency.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''SYNC'''. - ZFS synchronisation. By default it is set to '''standard'''.<br/>'''sync=standard'''<br/>Synchronous file system transactions (fsync, O_DSYNC, O_SYNC, etc) are written out (to the intent log and then secondly all devices written are flushed to ensure the data is stable (not cached by device controllers).<br/>'''sync=always'''<br/>For the ultra-cautious, every file system transaction is written and flushed to stable storage by a system call return. This obviously has a big performance penalty.<br/>'''sync=disabled'''<br/>Synchronous requests are disabled. File system transactions only commit to stable storage on the next DMU transaction group commit which can be many seconds. This option gives the highest performance. However, it is very dangerous as ZFS is ignoring the synchronous transaction demands of applications such as databases or NFS.<br/>Setting sync=disabled on the currently active root or /var file system may result in out-of-spec behavior, application data loss and increased vulnerability to replay attacks.<br/>This option does *NOT* affect ZFS on-disk consistency.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''SECONDARY CACHE''' - controls what is cached in the secondary cache (L2ARC). If this property is set to '''all''', then both user data and metadata is cached. If this property is set to '''none''', then neither user data nor metadata is cached. If this property is set to metadata, then only metadata is cached. The default value is '''all'''.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''SECONDARY CACHE''' - controls what is cached in the secondary cache (L2ARC). If this property is set to '''all''', then both user data and metadata is cached. If this property is set to '''none''', then neither user data nor metadata is cached. If this property is set to metadata, then only metadata is cached. The default value is '''all'''.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''ACCESS TIME '''- controls whether the access time for files is updated when they are read. Turning this property off avoids producing write traffic when reading files and can result in significant performance gains, though it might confuse mailers and other similar utilities. The default value is '''on'''.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>*'''ACCESS TIME '''- controls whether the access time for files is updated when they are read. Turning this property off avoids producing write traffic when reading files and can result in significant performance gains, though it might confuse mailers and other similar utilities. The default value is '''on'''.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*'''QUOTA''' - Limits the amount of space a dataset and its descendents can consume. This property enforces a hard limit on the amount of space used. This includes all space consumed by descendents, including file systems and snapshots.<br/>Quota can’t be smaller than Reservation.<br/><br/<del style="font-weight: bold; text-decoration: none;">><span style="font-size:small"</del>>'''GenesisZX up18 or higher'''<del style="font-weight: bold; text-decoration: none;"></span></del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*'''QUOTA''' - Limits the amount of space a dataset and its descendents can consume. This property enforces a hard limit on the amount of space used. This includes all space consumed by descendents, including file systems and snapshots.<br/>Quota can’t be smaller than Reservation.<br/><br/>'''GenesisZX up18 or higher'''</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*'''ZFS RESERVATION''' - is an allocation of disk space from the pool that is guaranteed to be available to a dataset. As such, you cannot reserve disk space for a dataset if that space is not currently available in the pool. The total amount of all outstanding, unconsumed reservations cannot exceed the amount of unused disk space in the pool.<br/<del style="font-weight: bold; text-decoration: none;">><span style="font-size:12.666666666666666px; font-family:Arial; color:#000000; background-color:#ffffff; font-weight:700; font-style:normal; font-variant:normal; text-decoration:none; vertical-align:baseline"</del>>Include snapshots and clones<del style="font-weight: bold; text-decoration: none;"></span></del><br/<del style="font-weight: bold; text-decoration: none;">><span style="font-size:12.666666666666666px; font-family:Arial; color:#000000; background-color:#ffffff; font-weight:700; font-style:normal; font-variant:normal; text-decoration:none; vertical-align:baseline"</del>>If set than <del style="font-weight: bold; text-decoration: none;"></span><span style="font-size:12.666666666666666px; font-family:Arial; color:#000000; background-color:#ffffff; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none; vertical-align:baseline"></del>disk space is guaranteed for datasets and their descendents like snapshots and clones<del style="font-weight: bold; text-decoration: none;"></span></del><br/<del style="font-weight: bold; text-decoration: none;">><span style="font-size:12.666666666666666px; font-family:Arial; color:#000000; background-color:#ffffff; font-weight:700; font-style:normal; font-variant:normal; text-decoration:none; vertical-align:baseline"</del>>If not set<del style="font-weight: bold; text-decoration: none;"></span><span style="font-size:12.666666666666666px; font-family:Arial; color:#000000; background-color:#ffffff; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none; vertical-align:baseline">&nbsp;</del>disk space is guaranteed only for a dataset without its descendents (does not include disk space consumed by snapshots and clones) This kind of reservation is also called refreservation in ZFS<del style="font-weight: bold; text-decoration: none;"></span></del><br/><br/<del style="font-weight: bold; text-decoration: none;">><span style="font-size:12.666666666666666px; font-family:Arial; color:#000000; background-color:#ffffff; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none; vertical-align:baseline"</del>>'''Additional info about quota and ZFS reservation:'''<del style="font-weight: bold; text-decoration: none;"></span></del><br/<del style="font-weight: bold; text-decoration: none;">><span style="font-size:12.666666666666666px; font-family:Arial; color:#000000; background-color:#ffffff; font-weight:400; font-style:normal; font-variant:normal; text-decoration:none; vertical-align:baseline"</del>>You can use the quota property to set a limit on the amount of disk space a file system can use. In addition, you can use the reservation property to guarantee that a specified amount of disk space is available to a file system.<br/><br/>'''GenesisZX up25 or higher'''<del style="font-weight: bold; text-decoration: none;"></span></del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*'''ZFS RESERVATION''' - is an allocation of disk space from the pool that is guaranteed to be available to a dataset. As such, you cannot reserve disk space for a dataset if that space is not currently available in the pool. The total amount of all outstanding, unconsumed reservations cannot exceed the amount of unused disk space in the pool.<br/>Include snapshots and clones<br/>If set than disk space is guaranteed for datasets and their descendents like snapshots and clones<br/> If not set disk space is guaranteed only for a dataset without its descendents (does not include disk space consumed by snapshots and clones) This kind of reservation is also called refreservation in ZFS<br/><br/>'''Additional info about quota and ZFS reservation:'''<br/> You can use the quota property to set a limit on the amount of disk space a file system can use. In addition, you can use the reservation property to guarantee that a specified amount of disk space is available to a file system.<br/><br/>'''GenesisZX up25 or higher'''</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>*<del style="font-weight: bold; text-decoration: none;"><div></del>'''recordsize=size'''<del style="font-weight: bold; text-decoration: none;"></div><div>&nbsp; &nbsp; &nbsp; &nbsp;</del>Specifies a suggested block size for files in the file system. &nbsp;This property is designed solely for use with database workloads that access files in fixed-size records. &nbsp;ZFS automatically tunes block sizes according to internal algorithms optimized for<del style="font-weight: bold; text-decoration: none;"></div><div>&nbsp; &nbsp; &nbsp; &nbsp;</del>typical access patterns.<del style="font-weight: bold; text-decoration: none;"></div><div>&nbsp; &nbsp; &nbsp; &nbsp;</del>For databases that create very large files but access them in small random chunks, these algorithms may be suboptimal. &nbsp;Specifying a recordsize greater than or equal to the record size of the database can result in significant performance gains. &nbsp;Use of<del style="font-weight: bold; text-decoration: none;"></div><div>&nbsp; &nbsp; &nbsp; &nbsp;</del>this property for general purpose file systems is strongly discouraged, and may adversely affect performance.<del style="font-weight: bold; text-decoration: none;"></div><div>&nbsp; &nbsp; &nbsp; &nbsp;</del>You can choose between&nbsp;: 4; 8; 16; 32; 64; 128; 256; 512[KiB] and 1MB.<del style="font-weight: bold; text-decoration: none;"></div><div>&nbsp; &nbsp; &nbsp; &nbsp;</del>Changing the file system's recordsize affects only files created afterward; existing files are unaffected.<del style="font-weight: bold; text-decoration: none;"></div></del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>*'''recordsize=size'''</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Specifies a suggested block size for files in the file system. &nbsp;This property is designed solely for use with database workloads that access files in fixed-size records. &nbsp;ZFS automatically tunes block sizes according to internal algorithms optimized for typical access patterns. For databases that create very large files but access them in small random chunks, these algorithms may be suboptimal. &nbsp;Specifying a recordsize greater than or equal to the record size of the database can result in significant performance gains. &nbsp;Use of this property for general purpose file systems is strongly discouraged, and may adversely affect performance. You can choose between&nbsp;: 4; 8; 16; 32; 64; 128; 256; 512[KiB] and 1MB. Changing the file system's recordsize affects only files created afterward; existing files are unaffected.</div></td></tr>
</table>Ma-W