How to identify a faulted cache disk in a cluster [ID 1557748.1]
This applies when both heads of a Series 7000 cluster have one or more readzillas.
When examining the zpool status from one of the cluster heads, we notice that some or all of the cache devices are faulted.
Please check out this Doc: How to identify a faulted cache disk in a cluster [ID 1557748.1]