ANDU paused due to SFO giveback failure

• ONTAP 9
• ANDU

• ONTAP upgrade paused on error because the giveback of SFO aggregates fails.
  [phx-e3-rn-nas01-ctrl15: notifyd: callhome.andu.pausederr:alert]: params: {'subject': 'AUTOMATED NDU PAUSED ON NODE: node1', 'epoch': 'ff9b316e-XXXX-XXXX-XXXX-4ef9c772675b'}

[node1: upgrademgr: upgrademgr.update.pausedErr:error]: The automated update of the cluster has been paused due to the following reason:  Node "node1": Error: {Giveback of SFO aggregates failed.}, Action: {Use the "storage failover show-giveback" command to view the cause of the giveback failure and the suggested corrective action. When the giveback failures are corrected, use the "storage failover giveback -ofnode node2" command to trigger the giveback.}.

• Storage failover show giveback displays the following reason:

cluster1::>storage failover show-givebackFailed: Destination cannot receive the aggregate. Check failed by disk_inventory. Check the event log.

• Motherboard status was in degraded due to the health alert NodeIfInErrorsWarnAlert on port e8a of node node2.

• Port e8a has high CRC errors. 

-- interface  e8a  (1 hour, 37 minutes, 14 seconds) --

RECEIVE
 Total frames:     1253k | Frames/second:     215  | Total bytes:       135m
 Bytes/second:    23263  | Total errors:      512k | Errors/minute:    5269 
 Total discards:      0  | Discards/minute:     0  | Multi/broadcast:  5345 
 Non-primary u/c:     0  | CRC errors:        512k | Runt frames:         0