BMC 1.81以降でA700sが予期せずリブートする

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環境

AFF A700s
BMC 1.81以上

問題

AFF A700sノードが予期せずリブートします。
サービスプロセッサがノードをリセットし、パートナーがテイクオーバーします。

[node_name_2: cf_hwassist: cf.hwassist.takeoverTrapRecv:notice]: hw_assist: Received takeover hw_assist alert from partner(node_name_1), system_down because reset_via_sp. W[node_name_2: cf_hwassist: cf.hwassist.takeoverTrapRecv:notice]: hw_assist: Received takeover hw_assist alert from partner(node_name_1), system_down because l2_watchdog_reset.

[node_name_2: swi1: mri_ha: nvmm.mirror.aborting:debug]: mirror of sysid 1, partner_type HA Partner and mirror state MIRROR_ONLINE is aborted because of reason Abort Pending. [node_name_2: gop_eq_thread: ic.linkStatusChange:info]: HA interconnect: Port ic1a link is down. [node_name_2: cf_fastTimeout: cf.ic.heartBeatFailed:error]: HA interconnect: Heartbeat failed. [node_name_2: cf_main: cf.fsm.takeoverByPartnerDisabled:error]: Failover monitor: takeover of node_name_2 by node_name_1 disabled (unsynchronized log). [node_name_2: rastrace_dump: rastrace.dump.saved:debug]: A RAS trace dump for module IC instance 0 was stored in /etc/log/rastrace/IC_0_20201027_17:15:50:245981.dmp. [node_name_2: ctrl_hb_port_ic1a: ctrl.rdma.heartBeat:info]: HA interconnect: Missed heartbeat to 192.0.1.4. [node_name_2: cf_main: cf.fsm.takeoverByPartnerDisabled:error]: Failover monitor: takeover of node_name_2 by node_name_1 disabled (HA interconnect error. Verify that the partner node is running and that the HA interconnect cabling is correct, if applicable. For further assistance, contact technical support).

影響を受けたノードがリブートし、watchdogリセット後のギブバック後に正常に動作する可能性があります。
BMC SELログには、NMIおよびウォッチドッグ情報が表示されます。

420 | 03/03/2023 | 17:51:10 | CriticalInt | Software NMI | Asserted 421 | 03/03/2023 | 17:51:10 | Watchdog2 | Timer interrupt | Asserted 422 | 03/03/2023 | 17:51:12 | Watchdog2 | Hard reset | Asserted 423 | 03/03/2023 | 17:51:12 | SysReset | State Asserted | Asserted 424 | 03/03/2023 | 18:20:22 | Platform Security #0x00 | Transition to Off Line | Asserted