Bridge Unexpected Reboot - AutoSupport message
Applies to
- ATTO 6500N FibreBridge
 - ATTO 7500N FibreBridge
 - ATTO 7600N FibreBridge
 - MetroCluster
 - ONTAP 9.3+
 - EMS message:
 
Tue Feb 26 14:34:54 UTC [node1: dsbridge_admin: callhome.bridge.reboot.unexp:alert]: Call home for Bridge Unexpected Reboot: FB7500N10xxxx
- BRDRBT:HA Group Notification from
 
Event Summary
Starting ONTAP 9.3 an AutoSupport message "Bridge Unexpected Reboot" is sent whenever an ATTO FibreBridge reboots unexpectedly.
Unexpected reboots are all reboots other than:
- planned reboot (firmware restart)
 - configuration change that requires a reboot
 - firmware upgrade
 - power on
 
Validate
- Check if all bridges are currently online and healthy:
 
storage bridge show
ClusterA::> stor bridge show
  (storage bridge show)
                                       Is        Monitor Managed                                               Is Bridge
Bridge                  Symbolic Name Monitored Status  By      Vendor Model                 Bridge WWN        Secure
----------------------  ------------- --------- ------- ------- ------ --------------------- ----------------  ---------
ATTO_2000001086611bcc    atto1a       true      ok      -       Atto   FibreBridge 7500N     2000001086611bcc  true
ATTO_200000108661261e    atto1b       true      ok      -       Atto   FibreBridge 7500N     200000108661261e  true
ATTO_200000108661360a    atto2a       true      ok      -       Atto   FibreBridge 7500N     200000108661360a  true
ATTO_2000001086614628    atto2b       true      ok      -       Atto   FibreBridge 7500N     2000001086614628  true
- Check the event logs for information on the bridge that rebooted:
 
event log show -severity INFORMATIONAL,DEBUG -event *bridge.*
ClusterA::> event log show -severity INFORMATIONAL,DEBUG -event *bridge.*
Time                Node          Severity      Event
------------------- ------------- ----------- ---------------------------
4/29/2022 13:48:29  ClusterA-01  DEBUG            bridge.rebooted: FC-to-SAS bridge b6510-4_siteB:8.126L0 [ATTO FibreBridge7500N 3.17] S/N [FB7500N101234] was rebooted.
4/29/2022 13:48:24  ClusterA-01  INFORMATIONAL bridge.discovered: FC-to-SAS bridge b6510-4_siteB:8.126L0 [ATTO FibreBridge7500N 3.17] S/N [FB7500N101234] was discovered.
4/29/2022 13:47:39  ClusterA-01  INFORMATIONAL bridge.removed: FC-to-SAS bridge b6510-3_siteB:8.126L0 [ATTO FibreBridge7500N 3.17] S/N [FB7500N101234] was removed.
Resolution
- Verify if a support case is already open.
 - Usually no additional data is needed to root cause the issue (unless minimal AutoSupport messages are used).
 - A bridge core file might need to be uploaded on request of NetApp support.
 
