メインコンテンツへスキップ

CVO でディスクが見つからずシステムがパニックに陥る

Views:
15
Visibility:
Public
Votes:
0
Category:
not set
Specialty:
ds_cvo
Last Updated:

環境

  • Cloud Volumes ONTAP(CVO)
  • Blue XP(旧称 Cloud Manager)
  • Microsoft Azure
  • Amazon Web Services(AWS)
  • Google Cloud Platform(GCP)
  • シングルノードまたはHAペア

問題

  • 基盤インフラストラクチャの問題により 1 つ以上のディスクにアクセスできなくなり、パニックが発生します:

[Cluster-01: pha_remove000: mlm.array.lun.removed:notice]: Array LUN '0b.29' (00000000i3g268fHE60S) is no longer being presented to this node.


[Cluster-01: dmgr_thread: raid.disk.missing:info]: Disk /aggr04/plex0/rg0/0b.29 S/N [00000000i3g268fHE60S] UID [00000000i3g268fHE60S] is missing from the system


[Cluster-01: config_thread: sk.panic:alert]: Panic String: aggr aggr04: raid volfsm, fatal disk error in RAID group with no parity disk..  Raid type - raid0 Group name plex0/rg0 state NORMAL. 1 disk failed in the group. Disk 0b.29 S/N [00000000i3g268fHE60S] UID [00000000i3g268fHE60S] error: disk does not exist. in SK process config_thread on release 9.7P7 (C)

[Cluster-01: config_thread: sk.panic:alert]: params: {'reason': 'aggr aggr04: raid volfsm, fatal disk error in RAID group with no parity disk..  Raid type - raid0 Group name plex0/rg0 state NORMAL. 1 disk failed in the group. Disk 0b.29 S/N [00000000i3g268fHE60S] UID [00000000i3g268fHE60S] error: adapter error prevents command from being sent to device. in SK process config_thread on release 9.7P7 (C)'}

  • 状況によっては、システムがWAFL Hungパニックでパニックに陥る場合があります:
        Panic String: WAFL hung for aggr1. in SK process wafl_exempt02 on release 9.9.0 (C)
  • AWS/GCP ではプレックス障害が発生し、ノードが「unknow」ステータスに戻る場合があります。

 SYMPFA:HA Group Notification from Node-02 (SYNCMIRROR PLEX FAILED) ALERT

  • Azure では、ディスク(Azure HA ルート/データ アグリゲートの場合はページ BLOB)にアクセスできない場合、パニックが発生する可能性があります。

 Thu Nov 20 22:06:40 -0500 [Cluster-01: rc: sk.panic:alert]: Panic String: DIAGNOSTIC PANIC Disk deleted or missing on cloud shared HA in SK process rc on release 9.16.1P8 (C)

  • HA Group Notification (PARTNER DOWN, TAKEOVER IMPOSSIBLE ) EMERGENCYアラートによりサポートケースが自動的に作成される可能性があります

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.