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MetroCluster IPで予期しないノードがリブートされる

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環境

  • ONTAP 9
  • MetroCluster IP
  • AFF-A700
  • X91146A T6カード

問題

  • 問題を通知せずにノードが予期せずリブートする
  • HAパートナーがディスクリザベーションを取得していることを示すSPのログ。これは、テイクオーバー後に発生します(clam takeover)。 

Apr 18 04:01:40 [NodeA1:clam.node.ooq:EMERGENCY]: Node (name=NodeA2,
ID=1001) is out of "CLAM quorum" (reason=quorum update).

A disk reservation was detected on disk 7a.10.3P3 at 18Apr2023 04:01:44   
Ordinarily, this will only occur if the partner node has taken over.
This node will be shutdown.
HALT: HA partner has taken over disk reservations
Uptime: 47d18h37m13s
System rebooting...

  • HAインターコネクトのタイムアウトは、ハートビートが失われたためにリブートおよびテイクオーバーがトリガーされる直前に報告されます。
Sun Apr 18 20:35:39 +0200 [NodeA1: DR_heartbeat_thread: cf.ic.xferTimedOut:error]: HA interconnect: MCC_DRSOM transfer timed out. Sun Apr 18 20:35:39 +0200 [NodeA1: cf_firmware: cf.ic.xferTimedOut:error]: HA interconnect: OFW transfer timed out. Sun Apr 18 20:35:58 +0200 [NodeA1: cf_main:cf.fsm.takeover.noHeartbeat:alert]: Failover monitor: Takeover initiated after no heartbeat was detected from the partner node.

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