https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-8042 Lustre <p>It would be useful for <tt>mkfs.lustre</tt> to set <tt>ashift=12</tt>, <tt>recordsize=1024k</tt>, and <tt>compression=lz4</tt> for new ZFS OSTs. It doesn't make sense to do this for MDTs.</p> LU-8042

mkfs.lustre should set ashift=12 recordsize=1024k compression=lz4" by default for new ZFS OSTs

Improvement Minor Resolved Duplicate WC Triage Andreas Dilger Tue, 19 Apr 2016 15:58:42 +0000 Thu, 30 Jun 2016 17:38:38 +0000 Thu, 30 Jun 2016 17:38:38 +0000 0 6 <p>Are you proposing to turn on data compression on OSTs by default?</p> <p>Definitely ashift and recordsize should be set. Compression maybe should be in a separate patch, but both Keith and Zhiqi reported that compression helped performance. </p> <p>I have a concern that the data generated by test program tend to be compressible. But I agree that shift and record size should be made default for sure.</p> <p>Andreas Dilger (andreas.dilger@intel.com) uploaded a new patch: <a href="http://review.whamcloud.com/19892" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/19892</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8042" title="mkfs.lustre should set ashift=12 recordsize=1024k compression=lz4&quot; by default for new ZFS OSTs" class="issue-link" data-issue-key="LU-8042"><del>LU-8042</del></a> osd-zfs: set ashift=12 recordsize=1024k by default<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: e6057e5ce5e11dd8be6317c96056498c9b4f09e9</p> <p>Close this as a duplicate of <a href="https://jira.whamcloud.com/browse/LU-8342" title="ZFS dnodesize and recordsize should be set at file system creation" class="issue-link" data-issue-key="LU-8342"><del>LU-8342</del></a>.</p> Related LU-8342 Development Rank 1|hzy8lr: Rank (Obsolete) 9223372036854775807