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CONTAP-403485: Node panic and failed switchover (AUSO) due to a faulty drive in a 2n MetroCluster

  1. Last updated
    Mar 24, 2025
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Category:
ontap-9
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core
Last Updated:
3/24/2025, 12:16:00 PM

Issue

  • scsi.cmd errors reported on a single disk, which lead to a node panic:

 [?]  Fri Feb 21 06:00:15 +0100 [Cluster1-01: slifc_intrd: scsi.cmd.checkCondition.bridge.SAS.event:debug]: Disk device switchA1:9.126L1524: Check Condition: CDB 0x2f:b8192800:0400: Sense Data SCSI:aborted command-  (0xb- 0x88 0x4 0x81)(2041).
 [?]  Fri Feb 21 06:00:17 +0100 [Cluster1-01: slifc_intrd: scsi.cmd.checkCondition.bridge.SAS.topoChange:debug]: Disk device switchA2:8.126L1524: Check Condition: CDB 0x2f:b8192000:0400: Sense Data SCSI:aborted command-  (0xb- 0x88 0x3 0x1)(4276).
[?]  Fri Feb 21 06:20:26 +0100 [Cluster1-01: drsom_watch: sk.panic:alert]: Panic String: DR DRSOM_SSTBL_OP_SWITCHOVER Operation is Hung in drdom_SO in SK process drsom_watch on release 9.13.1P9 (C)

  • Consequent AUSO (automated switchover) fails and the DR partner panics, too: 

[?]  Fri Feb 21 06:52:37 +0100 [Cluster2-01: send_boot_msg_thread: mgr.stack.string:notice]: Panic string: DR DRSOM_SSTBL_OP_SWITCHOVER Operation is Hung in drdom_SO in SK process drsom_watch on release 9.13.1P9 (C)

 

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