ATTOブリッジが予期せずリブートし、ウォッチドッグタイマーが中断されました

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Category:: metrocluster

Specialty:: metrocluster<a>2009578138</a>

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環境

ONTAP 9
ファブリック接続MetroCluster
ATTO 7500N Fibrebridgeの略
ATTOファームウェアが3.25より前です

問題

ATTO Birdgeが予期せずリブートし、AutoSupport で次の通知がトリガーされます。

System Notification (Bridge Unexpected Reboot: FB7500NX0XXXX) ALERT

イベントログには次のイベントが表示されます。

[Node-01: dsbridge_admin: bridge.removed:info]: FC-to-SAS bridge Broc-sw2:6.126L0 [ATTO    FibreBridge7500N 3.10] S/N [FB7500NXXXXXX] was removed.
 [Node-01: dsbridge_admin: bridge.discovered:info]: FC-to-SAS bridge Broc-sw2:6.126L0 [ATTO    FibreBridge7500N 3.10] S/N [FB7500NXXXXXX] was discovered.
 [Node-01: dsbridge_admin: bridge.rebooted:debug]: FC-to-SAS bridge Broc-sw2:6.126L0 [ATTO    FibreBridge7500N 3.10] S/N [FB7500NXXXXXX] was rebooted.
 [Node-01: dsbridge_admin: callhome.bridge.reboot.unexp:alert]: Call home for Bridge Unexpected Reboot: FB7500NXXXXXX

ATTOブリッジのイベントログには次の情報が表示されます。

0C6711 15:57:50 10/11/20 INFO ResConf:0E1E1FBD90 Dvc:5000c500b8ad904e Rsvd:0E1E1FBD91 0C6712 15:59:44 10/11/20 INFO ResConf:0E1E1FBD91 Dvc:5000c500b8ad9f12 Rsvd:0E1E1FBD90 0C6713 15:59:44 10/11/20 INFO ResConf:0E1E1FBD91 Dvc:5000c500b8ad9f12 Rsvd:0E1E1FBD90 0C6714 16:00:47 10/11/20 INFO ResConf:0E1E1FBA71 Dvc:5000c500b8ae3996 Rsvd:0E1E1FBA70 0C6715 16:01:58 10/11/20 WARN SWWD 3521 0C6716 16:01:58 10/11/20 INFO SWWD Exception 0C6717 16:01:58 10/11/20 INFO 10/11/2020 16:01:58 0C6718 16:01:58 10/11/20 INFO ST[006be480-006c0480] | FP[006c02d4] CPSR[60000192] 0C6719 16:01:58 10/11/20 INFO 001494b4<-001dccdc | SP[006c02d8] FP[006c0304] 0C671A 16:01:58 10/11/20 INFO 001dc9c4<-001955ec | SP[006c0308] FP[006c0324] 0C671B 16:01:58 10/11/20 INFO 0019531c<-00192598 | SP[006c0328] FP[006c0334] 0C671C 16:01:58 10/11/20 INFO 00192584<-0000189c | SP[006c0338] FP[006c03b0] 0C671D 16:01:58 10/11/20 INFO 0018b10c<-002762f8 | SP[006c03b4] FP[006c03e0] 0C671E 16:01:58 10/11/20 INFO 002761cc<-001dcc24 | SP[006c03e4] FP[006c0410] 0C671F 16:01:58 10/11/20 INFO 001dc9c4<-001955ec | SP[006c0414] FP[006c0430] 0C6720 16:01:58 10/11/20 INFO 0019531c<-00192598 | SP[006c0434] FP[006c0440] 0C6721 16:01:58 10/11/20 INFO 00192584<-0000189c | SP[006c0444] FP[00010001] 0C6722 16:01:58 10/11/20 INFO FP out of range [6c0440] 0C6723 16:01:58 10/11/20 INFO Duplicate CPSR 0C6724 16:01:58 10/11/20 INFO Exception occurred. Possible redundant preceding log entries 0C6725 00:00:05 01/01/00 INFO Reset. HW Code: Software Warm 0C6726 00:00:05 01/01/00 INFO Reset. Reason: Watchdog Timer Interrupt Exception 0C6727 16:04:01 10/11/20 SYS System date has changed. Current date:[10/11/2020] 0C6728 16:04:01 10/11/20 INFO Boot/reset occurred (007A)