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Bridge Unexpected Reboot - AutoSupport message

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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

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

  1. 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

 

  1. 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.

Please contact NetApp Technical Support or log into the NetApp Support Site to create a case. Reference this article for further assistance.

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.
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