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卷迁移到 AFF-C80 后的 LUN 连接问题

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Category:
ontap-9
Specialty:
san
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适用于

  • ONTAP 9
  • SAN - FC/iSCSI

问题

  • 将卷从 AFF-A400 迁移到 AFF-C80 并从集群中删除报告节点后,Linux 主机无法访问 LUN
  • LUN 映射似乎正确,并且启动器登录状态显示为已登录,但通过先前配置的 LIF IP 地址无法看到 LUN
  • 由于 LUN 无法访问,用户无法访问关键数据
  • 迁移后报告了 iSCSI 连接故障
  • 所有 iSCSI LIF 均处于 up/up 状态,但无法访问目标

受影响主机的日志输出示例:

[root@hostname ~]# iscsiadm -m discovery -t sendtargets -p 10.XX.XX.XXX:XXXX
iscsiadm: cannot make connection to 10.XX.XX.XX: No route to host
...
iscsiadm: connection login retries (reopen_max) 5 exceeded
iscsiadm: Could not perform SendTargets discovery: iSCSI PDU timed out

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