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HA LVM should only remove missing PVs on stop when they belong to mir…
…rors This adds --mirrorsonly to the 3 'vgreduce --removemissing' calls in the LVM agents. You'll also notice that it adds another self_fence check after we fail to remove tags. In my previous comment, I pointed out that in the case of single-host by_lv, after we vgreduce we then can't deactivate the logical volume again because it doesn't exist. This results in us executing self_fence, which may have just been a happy accident. But when we avoid making metadata changes by adding --mirrorsonly, the subsequent deactivation is still successful, and thus we miss the self_fence logic. So, I added another check so we still catch the failure and fence ourselves in this situation. J.B - Retain the loop in 'vg_stop_clustered' that waits for udev to settle when trying to deactivate the volume group. Failure to do so can lead to failure to deactivate the volume group. Signed-off-by: John Ruemker <firstname.lastname@example.org> Signed-off-by: Jonthan Brassow <email@example.com>
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