MetroCluster IP SyncMirror 丛失败

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适用场景

MetroCluster IP
ONTAP 9

问题描述

SYNCMIRROR PLEX FAILED 收到MetroCluster IP的AutoSupport 消息：

[Node-02: config_thread: raid.rg.degraded:notice]: : Raid group /aggr1_02/plex2/rg0 is degraded [Node-02: config_thread: raid.vol.mirror.degraded:alert]: Aggregate aggr1_02 is mirrored and one plex has failed. It is no longer protected by mirroring. [Node-02: config_thread: callhome.syncm.plex:alert]: Call home for SYNCMIRROR PLEX FAILED

使用以下命令验证后、发现iSCSI连接已终止：

event log show -event *”iSCSI CAM target layer's session state is changed to terminated”*

光纤2 iSCSI连接将终止：

[Node-01: intr: ctl.session.stateChanged:notice]: iSCSI CAM target layer's session state is changed to terminated for the initiator iqn.1994-09.org.freebsd:3e6c6101-aab1-11ec-a3f8-d039ea3b9999 (address: 10.1.2.3). Reason: no ping reply after 5 seconds.

[Node-01: intr: ctl.session.stateChanged:notice]: iSCSI CAM target layer's session state is changed to terminated for the initiator iqn.1994-09.org.freebsd:2f048313-aab1-11ec-8d08-d039ea3b1111 (address: 10.1.2.4). Reason: no ping reply after 5 seconds.

网络结构1连接终止、池1磁盘不再可见、远程丛出现故障：

[Node-01: intr: ctl.session.stateChanged:notice]: iSCSI CAM target layer's session state is changed to terminated for the initiator iqn.1994-09.org.freebsd:3e6c6101-aab1-11ec-a3f8-d039ea3b9999 (address: 10.1.1.3). Reason: no ping reply after 5 seconds.

[Node-01: intr: ctl.session.stateChanged:notice]: iSCSI CAM target layer's session state is changed to terminated for the initiator iqn.1994-09.org.freebsd:2f048313-aab1-11ec-8d08-d039ea3b1111 (address: 10.1.1.4). Reason: no ping reply after 5 seconds.