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LUN 访问问题,主机上的 I/O 错误以及 WAFL 内存不足

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Category:
aff-series
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san
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适用场景

  • 纯闪存阵列
  • FCP
  • iSCSI 
  • SAN
  • ONTAP 9.6

问题描述

LUN 联机并已映射、但主机遇到 I/O 错误。

  • 来自主机的消息:

Mar 16 00:44:13 linux kernel: [2634397.672285] blk_update_request: I/O error, dev sddm, sector 106981280
Mar 16 00:44:13 linux kernel: [2634397.672469] sd 7:0:1:19: [sddm] tag#72 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK

 

  • NetApp 上的 EMS 事件:

Mon Mar 16 00:10:11 UTC [NetApp: wafl_exempt02: wafl.memory.statusVeryLowMemory:alert]: WAFL is running very low on memory, with 795MB remaining.
 

 

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