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由于交换机上的主机 SFP 出现故障,ESXi 主机上的路径冗余降级警报

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Category:
ontap-9
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san
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适用于

  • ONTAP 9
  • FC
  • ESXi
  • Brocade SAN 交换机

问题

  • 多个 NetApp LUN 出现主机连接问题以及路径降级,并且 频繁断开 NetApp FC LUN 和数据存储,导致其进入无响应状态。

  • ESXi 主机在 VMware 端的 vCenter 上报告以下警报-
This email is to notify you that an alarm has been triggered in your vCenter:
[Warning] Alarm alarm.StorageConnectivityAlarm on Host hostabc.xxx.com
because Path redundancy to storage device naa.600a098xxxxxx46c3f515xxxxxxxx degraded. Path vmhba2:C0:xx:xx0 is down. Affected datastores: xxx-NetApp-xyz..
Alarm name  alarm.StorageConnectivityAlarm
Description alarm.StorageConnectivityAlarm
Target    Host hostabc.xxx.com
Status Warning (previous status: Normal)
Triggered time 04/03/2024 01:27:05 PM
 
Path redundancy to storage device naa.600a098xxxxxx46c3f515xxxxxxxx degraded. Path vmhba2:C0:T8:L142 is down. Affected datastores: xxx-NetApp-xyz. Warning 04/04/2024, 11:12:40 AM  
 

Wed Apr 03 13:02:34 +0200 [NetApp: fct_tpd_thread_5: fcp.io.status:debug]: STIO Adapter:0g, found hung cmd:0xfffff808ed70a770(state=5, flags=0x0, ctio_sent=1/1,RecvExAddr=0x1217d0, OX_ID=0x125, RX_ID=0xffff,SID=0x4105xx, Cmd[2A], req_q_free:3501)
Wed Apr 03 14:41:09 +0200 [NetApp: fct_tpd_thread_4: fcp.io.status:debug]:
STIO Adapter:0h, found hung cmd:0xfffff808ed1d8b38(state=5, flags=0x0, ctio_sent=1/1,RecvExAddr=0x11d570, OX_ID=0x735, RX_ID=0xffff,SID=0x4105xx, Cmd[2A], req_q_free:1321)

 注意:"state=5: DATAOUT_WAIT - 这表示 FC 目标在接受写入请求后正在等待主机返回某些内容;但是,在预期的超时值内没有返回任何内容。"

  • 这些 STIO 事件来自两个特定的 SID。
  • SAN 交换机上的主机连接端口具有 Laser_FLT 状态,这表明 sfp 有故障。

Index Slot Port Address Media  Speed        State    Proto
============================================================
5    1   5   701400   id    N16       Laser_Flt  FC

(或)

  • 交换机上的主机连接端口具有低 Rx

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