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メッセージ「Check of thin pool failed (status:1).Manual repair required!」が表示される

Solution Verified - Updated -

Issue

  • 再起動後にシンプールを有効化できません。
  • シンプールのメタデータ LV がフル状態になり、/var/log/messages にログが表示されます。vgscan の表示では、メタデータは破損しているように見えます。

    /var/log/messages のサンプル

    lvm[XX]: WARNING: Thin pool <VG name>-<thinpool name>-tpool metadata is now 93.26% full.
    lvm[XX]: WARNING: Thin pool <VG name>-<thinpool name>-tpool metadata is now 93.28% full.
    kernel: device-mapper: thin: 253:13: reached low water mark for metadata device: sending event.
    kernel: device-mapper: space map metadata: unable to allocate new metadata block
    kernel: device-mapper: space map metadata: unable to allocate new metadata block
    lvm[XX]: WARNING: Thin pool <VG name>-<thinpool name>-tpool metadata is now 100.00% full.
    

    vgscan のサンプル

    # vgscan
       WARNING: Locking disabled. Be careful! This could corrupt your metadata.
         Using volume group(s) on command line.
       WARNING: /dev/<VG name>/<thin provisioned LV name>: Thin's thin-pool needs inspection.
    

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6
  • lvm2

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