ONTAP Select ：HA组通知(控制器接管完全通信丢失)紧急情况
适用场景
问题描述
- 由于通信丢失而导致ONTAP Select 故障转移。
HA Group Notification (CONTROLLER TAKEOVER COMPLETE COMMUNICATION LOSS) EMERGENCY
EMS.log:
raid.vol.mirror.degraded: Aggregate is mirrored and one plex has failed. It is no longer protected by mirroring.
intr: ctl.session.stateChanged:notice]: iSCSI CAM target layer's session state is changed to terminated for the initiator iqn.1994-09.org.freebsd:cluster-02 (address: 169.254.80.1). Reason: no ping reply after 5 seconds.
kernel: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting for the target iqn.2012-06.com.bsdctl:target0 (type: partner2, address: 169.254.80.1:65200). Reason: no ping reply after 5 seconds.
kernel: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting for the target iqn.2012-06.com.bsdctl:target0 (type: partner, address: 169.254.80.1:65200). Reason: no ping reply after 5 seconds.
kernel: cf.fsm.takeover.noHeartbeat:alert]: Failover monitor: Takeover initiated after no heartbeat was detected from the partner node