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FabricPool Linux SANホストの修復

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環境

  • ONTAP FabricPool
  • Linux
    • RHEL
    • SLES
    • Oracle Linux
    • Ubuntu
    • CentOSなど
  • ファイルシステム
    • 内線3
    • 内線4
    • XFS
    • btrfsなど

問題

  • ONTAP FabricPool S3の階層化が停止しているときに Linux から次の情報が報告される
    • I/O障害、
    • 読み取り専用ファイルシステム、
    •  ホストのクラッシュなど
  • Linuxのログには、これがメディアエラーとして記録されます。
  • Linuxからのエラーメッセージの例:
LinEx FS劣化

2023-07-03T17:29:18.275679+00:00 localhost kernel: [92870.466696][ C19] sd 11:0:1:0: [sdc] tag#1261 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s

2023-07-03T17:29:18.275718+00:00 localhost kernel: [92870.466713][ C19] sd 11:0:1:0: [sdc] tag#1261 Sense Key : Medium Error [current]

2023-07-03T17:29:18.275722+00:00 localhost kernel: [92870.466720][ C19] sd 11:0:1:0: [sdc] tag#1261 Add. Sense: Unrecovered read error - recommend rewrite the data

2023-07-03T17:29:18.275724+00:00 localhost kernel: [92870.466727][ C19] sd 11:0:1:0: [sdc] tag#1261 CDB: Read(10) 28 00 00 5a 01 b8 00 00 20 00

2023-07-03T17:29:18.275725+00:00 localhost kernel: [92870.466732][ C19] blk_update_request: critical medium error, dev sdc, sector 5898680 op 0x0:(READ) flags 0x84700 phys_seg 4 prio class 0

2023-07-03T17:29:18.275728+00:00 localhost kernel: [92870.466751][ C19] blk_update_request: critical medium error, dev dm-3, sector 5898680 op 0x0:(READ) flags 0x80700 phys_seg 4 prio class 0

FabricPool Linux SANホストの修復

 

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