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集群备份长时间运行,并且由于根卷已满, MGWD 会重新启动

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适用场景

ONTAP 9

问题描述

  • EMS 记录 MGWD 重新启动紧急情况。

Sat Jun 19 08:17:40 -0600 [cluster01: spmd: spm.mgwd.process.exit:EMERGENCY]: Management Gateway (mgwd) subsystem with ID 2517 exited as a result of signal normal exit (0). The subsystem will attempt to restart.

  • MGWD 日志显示重新启动是由于空间不足。

0000001f.008cfdbe 005ae5d0 Sat Jun 19 2021 08:17:38 -06:00 [kern_mgwd:info:2517] MDB: error: PANIC: No space left on device

  • 节点上的 LIF 无法正常运行,并会迁移到配对节点。
  • 在检查空间使用量时,根卷接近全满,并且快照空间使用量较高。

Filesystem              kbytes       used      avail capacity  Mounted on
/vol/vol0/           347277596  322787716   24489880      93%  /vol/vol0/
/vol/vol0/.snapshot   18277768 175605520         0    961%  /vol/vol0/.snapshot

  • 在根卷上找到临时快照。

Volume vol0
working...

date          name
------------  --------
Jun 19 10:15 .tmp.bk.cluster01.8hour.5.1624119300
Jun 19 08:00  hourly.0
Jun 19 00:00  nightly.0
Jun 18 20:00  hourly.1
Jun 18 16:00  hourly.2
Jun 18 12:00  hourly.3

  • 集群备份长时间运行,备份量很大。

cluster01::> system configuration backup show
Node       Backup Name                               Time               Size
---------  ----------------------------------------- ------------------ -----
node01     cluster01.8hour.2021-06-18.18_15_00.7z    06/18 19:15:00    35.87GB
node01    cluster01.8hour.2021-06-18.10_15_00.7z    06/18 11:15:00     43.37MB
node01     cluster01.8hour.2021-06-19.10_15_00.7z    06/19 11:15:00     42.08MB
node01     cluster01.daily.2021-06-17.00_10_00.7z    06/17 01:10:00     42.62MB
node01     cluster01.daily.2021-06-18.00_10_04.7z    06/18 01:10:04     42.48MB
node01     cluster01.weekly.2021-06-06.00_15_00.7z   06/06 01:15:00     77.41MB
node01     cluster01.weekly.2021-06-13.00_15_00.7z   06/13 01:15:00     39.36MB
node02    cluster01.8hour.2021-06-18.02_15_00.7z    06/18 03:15:00     42.74MB
node02    cluster01.8hour.2021-06-18.10_15_00.7z    06/18 11:15:00     43.37MB
node02    cluster01.8hour.2021-06-19.10_15_00.7z    06/19 11:15:00     42.08MB
node02    cluster01.daily.2021-06-16.00_10_00.7z    06/16 01:10:00     42.50MB
node02    cluster01.daily.2021-06-17.00_10_00.7z    06/17 01:10:00     42.62MB
node02    cluster01.daily.2021-06-18.00_10_04.7z    06/18 01:10:04     42.48MB
node02    cluster01.weekly.2021-05-30.00_15_00.7z   05/30 01:15:00     122.0MB
node02    cluster01.weekly.2021-06-06.00_15_00.7z   06/06 01:15:00     77.41MB
node02    cluster01.weekly.2021-06-13.00_15_00.7z   06/13 01:15:00     39.36MB
16 entries were displayed.

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