[ClusterLabs] OS Patching Process

[Jason A Ramsey]

Can anyone recommend a bulletproof process for OS patching a pacemaker cluster that manages a drbd mirror (with LVM on top of the drbd and luns defined for an iscsi target cluster if that matters)? Any time I’ve tried to mess with the cluster, it seems like I manage to corrupt my drbd filesystem, and now that I have actual data on the thing, that’s kind of a scary proposition. Thanks in advance!

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[ jR ]

  there is no path to greatness; greatness is the path
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