远程驱动器在 DWDM 维护后出现故障

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适用场景

MetroCluster IP
ONTAP 9

问题描述

将从 MetroCluster IP 交换机 ISL 端口连接到 DWDM 的缆线更换为：

在 EMS 日志中观察到错误
报告远程驱动器出现故障
SyncMirror 丛出现故障，多个磁盘缺少 AutoSupport

示例：

EMS 日志：

Mon Nov 08 12:32:07 +0100 [ClusterA-02: kernel: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting for the target iqn.2016-07.com.netapp: (type: dr_auxiliary, address: 0.0.0.0:65200). Reason: no ping reply after 5 seconds. Mon Nov 08 12:32:07 +0100 [ClusterA-02: intr: ctl.session.stateChanged:notice]: iSCSI CAM target layer's session state is changed to terminated for the initiator iqn.1994-09.org.freebsd: (address: 0.0.0.0). Reason: no ping reply after 5 seconds. Mon Nov 08 12:32:07 +0100 [ClusterA-02: kernel: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting for the target iqn.2016-06.com.netapp: (type: dr_auxiliary, address: 0.0.0.0:65200). Reason: no ping reply after 5 seconds. Mon Nov 08 12:32:07 +0100 [ClusterA-02: doneq0: scsi.mcc.adt.ioTransportError:error]: mcc_adt[1] - Transport error during execution of command: HA status 0x13: CAM transport status 0x1b : cdb 0x88:00000001bf178980:00000008. Mon Nov 08 12:32:07 +0100 [ClusterA-02: doneq0: scsi.mcc.adt.ioTransportError:error]: mcc_adt[1] - Transport error during execution of command: HA status 0x13: CAM transport status 0x1b : cdb 0x88:00000001bf178190:00000008. Mon Nov 08 12:32:07 +0100 [ClusterA-02: scsi_cmdblk_strthr_admin: scsi.cmd.abortedByHost:error]: Disk device 0v.i2.1L21: Command aborted by host adapter: HA status 0x13: cdb 0x88:00000001bf178980:00000008.

sysconfig -r 输出中所示的顺序相同。

 Plex /ClusterA-02/plex1 (offline, failed, inactive, pool1) RAID group /ClusterA-02/plex1/rg0 (partial, block checksums) RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks) --------- ------ ------------- ---- ---- ---- ----- -------------- -------------- dparity 0m.i2.3L13P1 0m 20 12 1 SSD N/A 1799343/3685054464 1799351/3685070848 (fast zeroed) parity 0m.i1.0L14P1 0m 20 13 1 SSD N/A 1799343/3685054464 1799351/3685070848 (fast zeroed) data FAILED N/A 1799343/ - data FAILED N/A 1799343/ - data FAILED N/A 1799343/ - data FAILED N/A 1799343/ - data FAILED N/A 1799343/ - Raid group is missing 5 disks.