Change Switch MTU to 9000 and now the cluster is not starting
Issue
After the switch was changed to 9000 MTU, I am receiving re-transmit errors and the cluster is not starting.
/var/log/cluster/corosync.log:Aug 20 03:37:02 corosync [TOTEM ] Retransmit List: 13
Attempts to restart clvmd on the second node never time out and simply sit there. from there, logical volume shows as NOT ACCESSIBLE.
Environment
- Red Hat Enterprise Linux
- Red Hat Cluster Suite
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