Cannot reboot cluster node that was fenced using storage-based fencing on Red Hat Enterprise Linux
Issue
- What actions are necessary to bring a cluster node running GFS2 back into the cluster?
- Why did I have to power cycle both systems in order to recover the cluster?
Environment
- Red Hat Enterprise Linux Server (RHEL) including
- Red Hat Enterprise Linux Server 5 (with the High Availability and Resilient Storage Add Ons)
- Red Hat Enterprise Linux Server 6 (with the High Availability and Resilient Storage Add Ons)
- 2 or more Red Hat Cluster Suite nodes in a cluster
- GFS2 filesystem mounted on the particular node that is hung
- Storage Fencing is used (eg. fence_scsi, fence_brocade, etc)
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