[ClusterLabs] OS Patching Process

[emmanuel segura]

I been using this mode: iscsi_disks -> lvm volume ->
drbd_on_top_of_lvm -> filesystem

resize: add_one_iscsi_device_to_every_cluster_node_first ->
now_add_device_the_volume_group_on_every_cluster_node ->
now_resize_the_volume_on_every_cluster_node : now you have every
cluster with the same logical volume size, now you can resize drbd and
filesystem on the active node

2016-11-22 17:35 GMT+01:00 Jason A Ramsey <jason at eramsey.org>:
> 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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