Root aggregate is missing after a Head Upgrade
Applies to
- ONTAP 9
- Head Upgrade
Issue
- Root aggregate is missing after head upgrade
- Console/SP:
No root volume found.
Rebooting...
.
.
disks appear to be assigned, but no aggr found
- maintenance mode:
*> aggr show
the system appears to have no disks!
unable to run aggr command
[localhost:raid.assim.tree.noRootVol:error]: No usable root volume was found!