- ONTAP 9
- Head Upgrade (A300 to A400)
- Root aggregate is missing after an Head Upgrade from A300 to A400.
- From Console/SP:
No root volume found.
disks appear to be assigned, but no aggr found
- From 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!