cf.takeover.on_missedKeepAlive エラーを繰り返し発生

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Category:: aff-series<a>HW ASSIST</a><a>2009055829</a>

Specialty:: HW

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環境

AFF A220 / AFF A150 / AFF C190 / FAS2750 / FAS2720
クラスタノード管理ネットワーク

問題

連続 HW アシストキープアライブエラー
数分後に HA ペアの両方のノードで解消されたバックアップです。
EMS.Log例：

14:03:59 +0100 [node_name01: cf_hwassist: cf.hwassist.missedKeepAlive:error]: HW-assisted takeover missing keep-alive messages from HA partner (node_name02).
 14:11:29 +0100 [node_name01: cf_hwassist: cf.hwassist.recvKeepAlive:info]: hw_assist: Received hw_assist KeepAlive alert from partner(node_name02).
 14:24:59 +0100 [node_name01: cf_hwassist: cf.hwassist.missedKeepAlive:error]: HW-assisted takeover missing keep-alive messages from HA partner (node_name02).
 14:32:29 +0100 [node_name01: cf_hwassist: cf.hwassist.recvKeepAlive:info]: hw_assist: Received hw_assist KeepAlive alert from partner(node_name02).
 15:28:00 +0100 [node_name01: cf_hwassist: cf.hwassist.missedKeepAlive:error]: HW-assisted takeover missing keep-alive messages from HA partner (node_name02).
 15:35:30 +0100 [node_name01: cf_hwassist: cf.hwassist.recvKeepAlive:info]: hw_assist: Received hw_assist KeepAlive alert from partner(node_name02).

13:34:02 +0100 [node_name02: cf_hwassist: cf.hwassist.missedKeepAlive:error]: HW-assisted takeover missing keep-alive messages from HA partner (node_name01). 13:41:32 +0100 [node_name02: cf_hwassist: cf.hwassist.recvKeepAlive:info]: hw_assist: Received hw_assist KeepAlive alert from partner(node_name01). 13:55:02 +0100 [node_name02: cf_hwassist: cf.hwassist.missedKeepAlive:error]: HW-assisted takeover missing keep-alive messages from HA partner (node_name01). 14:02:32 +0100 [node_name02: cf_hwassist: cf.hwassist.recvKeepAlive:info]: hw_assist: Received hw_assist KeepAlive alert from partner(node_name01). 14:16:02 +0100 [node_name02: cf_hwassist: cf.hwassist.missedKeepAlive:error]: HW-assisted takeover missing keep-alive messages from HA partner (node_name01). 14:23:32 +0100 [node_name02: cf_hwassist: cf.hwassist.recvKeepAlive:info]: hw_assist: Received hw_assist KeepAlive alert from partner(node_name01).

エラーはタイミングパターンに従います。
例： 7 分 30 秒ごと