CONTAP-751766: Mixed-Version Boot Recovery Can Cause Storage Outage
Issue
When Boot Menu Option 6 is run on a node with a different ONTAP version from its HA partner, the recovery process can modify disk metadata that the partner cannot interpret. This can cause RAID groups to become degraded and the partner to stop serving data. The reported failure included:
PANIC : aggr pod_SSD_1: raid volfsm, fatal multi-disk error..