Cluster goes out of quorum and nodes appear down during cluster switch firmware upgrade
Applies to
- ONTAP 9
- CN1610 cluster interconnect switch
Issue
- FASTPATH upgrade for CN1610 cluster interconnect switch performed according to Installing FASTPATH software and RCFs running Data ONTAP 8.3.1 and later
- During FASTPATH upgrade, cluster goes out of quorum and generates the following Active IQ alerts:
HA Group Notification (NODE(S) OUT OF CLUSTER QUORUM) EMERGENCY
HA Group Notification (Health Monitor process cshm: ClusterSwitchMissing_Alert[CLUSTER1]) ALERT
- This results in outage where data is not served and the nodes appear offline