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<p class="MsoNormal">I’m planning ahead, so we can act quickly if we have a drive media failure.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Our cluster nodes each have 6 x NVME drives in 1 volume group, which was created as follows:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">[root@ha51b ~]# DISKS=$(nvme list|grep dev|awk '{print $1}')<o:p></o:p></p>
<p class="MsoNormal">[root@ha51b ~]# echo $DISKS<o:p></o:p></p>
<p class="MsoNormal">/dev/nvme0n1 /dev/nvme1n1 /dev/nvme2n1 /dev/nvme3n1 /dev/nvme4n1 /dev/nvme5n1 /dev/nvme6n1<o:p></o:p></p>
<p class="MsoNormal">[root@ha51b ~]# vgcreate vg0 $DISKS<br>
<br>
We registered the VGs as Linstor storage pools and deployed multiple DRBD resources of various sizes across them.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Questions: <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">If 1 drive fails in a volume group, do all DRBD resources on the node go diskless, or just ones that happen to exist entirely on the failed drive?<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">What actions would we take to rebuild the node?<o:p></o:p></li></ol>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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