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Sudden shelf module reboot causing both nodes to panic

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Category:
ontap-9
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hw
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Applies to

  • NS224 Disk Shelf
  • NVMe shelf module (NSM) firmware version below 0151

Issue

  • Shortly after ONTAP upgrade to 9.8P6/P7 both nodes reboot due to multi-disk panic
  • Multiple NoPathToNSMA_Alert reported over a regular basis
  • NSM100 fw upgrade 0141 -> 0151 causing panic

  • Dec 26th all NSM firmware is on rev 0141
            Shelf 0: NS224NSM100  Firmware rev. NSM100 A: 0141  NSM100 B: 0141
            Shelf 1: NS224NSM100  Firmware rev. NSM100 A: 0141  NSM100 B: 0141

  •  NSM-A firmware upgrade started 0141 -> 0151
    Mon Dec 27 06:03:19 +0100 [node_name: dsa_worker0: sfu.downloadingController:info]: [storage download shelf]: Downloading NSM100.0151.SFW on disk shelf controller module A on 0x.shelf

  •  Node panic occurred
    Mon Dec 27 06:05:25 +0100 [node_name: config_thread: sk.panic:alert]: Panic String: aggr aggr_root: raid volfsm, fatal multi-disk error..  Raid type - raid_dp Group name plex0/rg0 state NORMAL. 10 disks failed in the group.

  • HA Node rebooted
    Mon Dec 27 06:11:48 +0100 [node_name2: send_boot_msg_thread: mgr.boot.reason_ok:notice]: System rebooted after power-on.

  • DEC 28th all NSM firmware on rev 0151
            Shelf 0: NS224NSM100  Firmware rev. NSM100 A: 0151  NSM100 B: 0151
            Shelf 1: NS224NSM100  Firmware rev. NSM100 A: 0151  NSM100 B: 0151

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