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PANIC:プロセスmlogdのVA 0x20でページ障害(スーパーバイザの読み取りデータ、ページが存在しない)

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Category:
ontap-9
Specialty:
core
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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

問題

  • 計画的シャットダウン中( ANDUによるテイクオーバーのトリガー時など)にノードが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)
  • ONTAPの更新中にONTAPがパニック状態になってパートナーノードにフェイルオーバーしたあとにデータが停止する

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.

  • しばらくするとLIFがホストされ、データアクセスが復旧します。

 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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