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ANDU中のバグ1465726のトラブルシューティング方法

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環境

  • ONTAP 9
  • 自動無停止アップグレード(ANDU)
  • パニック

概要

  • ANDUでは 、バグ 1465726の症状が 見られます。
  • ノードがシャットダウンを開始すると( ANDUによるテイクオーバーの実行中など)、次のようにパニック状態になります。

PANIC: page fault (supervisor read data, page not present) on VA 0x20 cs:rip 0x20:0xffffffff8069859e rflags 0x10046 in process mlogd onrelease 9.10.0P1 (C)

PANIC: page fault (supervisor read data, page not present) on VA 0x448 cs:rip 0x20:0xffffffff806b62b9 rflags 0x10246 in process secd on release 9.11.1P8 (C)

  • ONTAPメジャーバージョンANDUの実行中(9.9.1から9.11.1P14など)のデータ停止:

LIFをホストできません:

Sat Apr 22 2023 10:33:01 GMT  [Cluster1-n02: vifmgr: vifmgr.lifbeingremoved:NOTICE]: LIF lif_n01_mgmt (on virtual server 44), IP address 10.250.50.50, is being removed from node Cluster1-n02, port a0l-179.

パニック状態になったノードが再び稼働すると、LIFがホストされ、データアクセスがリストアされます。

 Sat Apr 22 2023 12:45:57  GMT  [Cluster1-n01: vifmgr: vifmgr.lifsuccessfullymoved:NOTICE]: LIF lif_ALE_n01_179_mgmt (on virtual server 44), IP address 10.251.42.97, is now hosted on node Cluster1-n01, port a0l-179.

 

 

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