跳转到主内容

障害が原因で 1 本のディスクがオフラインになっているため、アグリゲートがデグレード状態になります

環境

  • ONTAP 9
  • ディスク障害

問題

  • 単一ディスクエラーが複数あると、リカバリ目的でディスクがオフラインになります。

[node_name: config_thread: raid.disk.assign.offline_ref:debug]: aggregate /data_aggregate/plex0/rg0/0a.01.1 assigned as an offline reference storage for /data_aggregate/plex0/rg0/0a.01.5.
[node_name: config_thread: raid.disk.assign.offline_ref:debug]: aggregate /data_aggregate/plex0/rg0/0a.01.3 assigned as an offline reference storage for /data_aggregate/plex0/rg0/0a.01.5.
[node_name: config_thread: raid.rg.degraded:notice]: : Raid group /data_aggregate/plex0/rg0 is degraded
[node_name: config_thread: raid.disk.offline:notice]: Marking Disk /data_aggregate/plex0/rg0/0a.01.5 Shelf 1 Bay 5 [NETAPP X123_ABCDE1F2G34 NA02] S/N [12345678] UID [00000000:::::::::00000000] offline.

  • RAID グループとアグリゲートは、オフライン状態のときはデグレード状態になります。

Aggregate data_aggregate (online, raid_dp, degraded) (block checksums)
  Plex /data_aggregate/plex0 (online, normal, active, pool0)
    RAID group /LF_FAS8200_801A_data_aggregate/plex0/rg0 (degraded, block checksums)
      RAID Disk    Device      HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
      ---------    ------      ------------- ---- ---- ---- ----- --------------    --------------
      dparity     0a.01.1     0a    1   1   SA:A   0   SAS 10000 857000/1755136000 858483/1758174768 
      parity      0a.01.3     0a    1   3   SA:A   0   SAS 10000 857000/1755136000 858483/1758174768
      data        0a.01.5     0a    1   5   SA:A   0   SAS 10000 857000/1755136000 858483/1758174768 (offline)
      data        0a.01.7     0a    1   7   SA:A   0   SAS 10000 857000/1755136000 858483/1758174768

  • ONTAP がディスクをリカバリすると、 RAID グループおよびアグリゲートは正常ステータスに戻ります。

[node_name: config_thread: raid.disk.online:notice]: Onlining Disk /data_aggregate/plex0/rg0/0a.01.5 Shelf 1 Bay 5 [NETAPP   X123_ABCDE1F2G34 NA02] S/N [12345678] UID [00000000:::::::::00000000].
[node_name: config_thread: raid.rg.optrecons.start:debug]: /data_aggregate/plex0/rg0: starting optimized reconstruction, using disk 0a.01.5, disk block 5248
[node_name: config_thread: raid.rg.normal:notice]: : raid group /data_aggregate/plex0/rg0 is in normal state.
[node_name: config_thread: raid.rg.optrecons.done:debug]: /data_aggregate/plex0/rg0: optimized reconstruction completed for 0a.01.5 in 0:01.51

 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.