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<p class="MsoNormal">I'd recommend using this command to find all the files that were affected:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">lfs find --ost <failed ost index> <lustre mount point> > lost_files.txt<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Then run an rsync to copy off the data that is left. Something like:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">rsync --exclude lost_files.txt <lustre mount point> <backup dest>
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">lustre-discuss <lustre-discuss-bounces@lists.lustre.org> on behalf of Amjad Syed <amjadcsu@gmail.com><br>
<b>Date: </b>Friday, October 13, 2017 at 12:42 AM<br>
<b>To: </b>"lustre-discuss@lists.lustre.org" <lustre-discuss@lists.lustre.org><br>
<b>Subject: </b>[lustre-discuss] Recovering data from failed Lustre file system<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hello, <o:p></o:p></p>
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<p class="MsoNormal">We have a lustre 1.8.7 running on storage provided by vendor.<o:p></o:p></p>
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<p class="MsoNormal">The storage array crashed and we have had some data loss .<o:p></o:p></p>
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<p class="MsoNormal">What is the best way to backup the available data from client ?<o:p></o:p></p>
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<p class="MsoNormal">Scp, rsync from client crash on Lustre client osc read error.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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