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ONTAP 9.8 へのアップグレード後にノードのパニックが繰り返し発生する

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環境

  • FAS2554
  • ONTAP 9

問題

ONTAP をメジャーリリースバージョン( 9.7 、 9.6 、 9.5 などから 9.8 へのアップグレード)間でアップグレードしたあと、利用率の高い小規模プラットフォームでは nodewatchdog パニックが頻繁に発生します。

パニック文字列の例:

Panic string: Process vifmgr unresponsive for 206 seconds in process nodewatchdog on release 9.8P1 (C)
Panic string: Process mgwd unresponsive for 210 seconds (mgwd startup: "(2222)") in process nodewatchdog on release 9.8P1
Panic string: Process vldb unresponsive for 209 seconds in process nodewatchdog on release 9.8P1 (C)


 

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