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長時間電源オフ後のWAFL不整合とノードダウン

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ontap-9
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環境

  • ONTAP 9
  • AFF / FAS システム

問題

  • 約2か月間電源がオフになっていたクラスタの電源を入れた後、1つのノードが起動に失敗し、ルートアグリゲートでWAFLの不整合が報告されました。以下のログメッセージがAutoSupportとコンソールで確認されました:

    Tue Mar 03 16:53:26+0000 [node1:wafl_exempt02:wafl.raid.incons.buf:error]: WAFL inconsistent: bad block at VBN 8406877 (vvbn:12652616 fbn:1764 level:0) in public inode (fileid:4294967295 snapid:0 fixable:1 file_type:1 disk_flags:0x2 error:118 raid_set:1) in volume partner:vol0.

    [node1:callhome.root.vol.recovery.reqd:EMERGENCY]: Call home for ROOT VOLUME NOT WORKING PROPERLY: RECOVERY REQUIRED.

  • さらに、次のようなEMSメッセージが繰り返し raid_cksum_wc_blkErr_1, raid_multierr_bad_block_1, and wafl_raid_incons_buf_1 報告されました。

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