Takeover is not possible after controller upgrade
Applies to
- ONTAP 9
- Controller hardware upgrade (head swap)
Issue
- Controller upgrade (head swap) to new hardware platform completed (both nodes)
- Both nodes successfully upgraded, cluster applications online, but after bringing second node up, storage failover show indicates error:
CLUSTER::*> storage failover show
Takeover
Node Partner Possible State Description
-------------- -------------- -------- -------------------------------------
FAS01 FAS02 false Waiting for FAS02, Takeover
is not possible: Storage failover
mailbox disk state is invalid,
Storage failover is disabled on the
partner node, Storage failover
interconnect error, NVRAM log not
synchronized, Disk inventory not
exchanged
FAS02 FAS01 false Waiting for FAS01, Takeover
is not possible: Storage failover
interconnect error, NVRAM log not
synchronized, Disk inventory not
exchanged