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iSCSI 连接丢失后,远程 ADP 分区失败

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metrocluster
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适用场景

  • ONTAP 9
  • MetroCluster IP
  • A300/FAS8200、A200/FAS2600、A220/FAS2700、A700/FAS9000、FAS8300、 A250或C190
  • 集群之间的 iSCSI 连接中断 
  • 后端交换机维护 / 故障
  • SyncMirror 丛失败
  • 磁盘 / 磁盘架计数不匹配

问题描述

  • 集群之间暂时断开连接可能会导致远程驱动器标记 not responding为。事件日志将报告类似的消息: 

[NodeA: intr: ctl.session.stateChanged:notice]: iSCSI CAM target layer's session state is changed to terminated for the initiator iqn.1994-09.org.freebsd:185abf42-1aba-11eb-a6fc-d039ea45ec7d (address: 10.1.2.3). Reason: no ping reply after 5 seconds.
[NodeA: kernel: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting for the target iqn.2016-07.com.netapp:f4d3fb1c-1aba-11eb-a87d-d039ea45eac8 (type: dr_partner, address: 10.1.1.4:65200). Reason: no ping reply after 5 seconds.

  • sysconfig -a 显示了类似于以下内容的输出:

   slot 0: Virtual iSCSI Host Adapter 0m 
        ...
      10.20: NETAPP   X371_SLNGE960ATE NA52 915.4GB 520B/sect (S/N) (Failed)

  • sysconfig -r 输出类似: 
 Local broken disks RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks) --------- ------ ------------- ---- ---- ---- ----- -------------- -------------- not responding 0m.i2.1L21P3 0m 0 21 1 SSD N/A 63849/130764288 63857/130780672 ... not responding 0m.i1.3L27 0m 10 20 1 SSD N/A 915465/1874872832 915715/1875385008 

 

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