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Unexpected ATTO Bridge Reboot 7500N 3.40 - Watchdog Timer Interrupt Exception

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metrocluster
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Applies to

  • Fabric MetroCluster
  • ATTO FB7500N - 3.40
  • ONTAP 9

Issue

The ATTO bridge unexpectedly reboots.

Event Logs:

Wed Dec 20 23:57:04 +0100 [cluster1: dsbridge_admin: bridge.rebooted:debug]: FC-to-SAS bridge Cluster102:0.100L0 [ATTO FibreBridge7500N 3.40] S/N [FB7500N00000] was rebooted.
Wed Dec 20 23:57:10 +0100 [cluster1: dsbridge_admin: callhome.bridge.reboot.unexp:alert]: Call home for Bridge Unexpected Reboot: FB7500N00000

Example from ATTO Bridge Event Logs :

0EC9F5 22:40:39 12/20/23 WARN ECC Single-bit error detected. Addr:0015d788 STS:05
0EC9F6 22:40:39 12/20/23 WARN ECC Single-bit error detected. Addr:0002ff68 STS:05
0EC9F7 22:40:39 12/20/23 WARN ECC Single-bit error detected. Addr:0007f360 STS:05
0EC9F8 00:00:05 01/01/00 INFO Reset. HW Code: Software Warm0
EC9F9 00:00:05 01/01/00 INFO Reset. Reason: Watchdog Timer Interrupt Exception
0EC9FA 22:43:43 12/20/23 SYS System date has changed. Current date:[12/20/2023]
0EC9FB 22:43:43 12/20/23 INFO Boot/reset occurred (001C)

 

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