Gluster snapshots in Container native storage

Solution In Progress - Updated -

Issue

By default, GlusterFS does mount even deactivated snapshot(s) under /run/gluster/snaps. Since we do have a mount, there is a possibility that some process may access the mount, causing issues when trying to umount the volume for instance when deleting the snapshot.

Since in Container Native Storage everything is automated, the snapshot deletion failure will cause problems such as reaching the maximum limit of snapshots or stale snapshots being present because of the above issue.

Environment

  • OCP-3.4
  • OCP-3.5
  • CNS-3.4
  • CNS-3.5
  • RHGS-3.1
  • RHGS-3.2

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