Unkillable hung processes after creating LVM snapshot volumes in RHEL6
Issue
- LVM hang, unkillable hung processes, shortly after creating snapshots with:
# lvcreate -s -n <snapshot name> -l <snapshot size> <volume group>/<logical volume>
- Various processes attempting to access or enquire about the new snapshot become frozen and cannot be killed with
kill -9.
Environment
- Red Hat Enterprise Linux 6.5
kernel-2.6.32-431.el6.x86_64or later- LVM snapshots
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