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对于集群节点上的任何卷,不会按照计划执行 Snapshot 副本

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Category:
ontap-9
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core
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适用于

  • ONTAP 9 (所有版本)
  • ONTAP 9.1 ( 9.1p9 之前的所有版本)

问题

此问题可以通过三种方式表现出来:

1. 对于受影响节点上的所有卷、包括问题启动后创建的卷、自动创建卷 Snapshot 副本失败。没有快照策略或计划生成 Snapshot 副本。手动创建快照不会产生任何问题。

2. 不会删除卷快照。最后、我们达到 255 个快照的限制、不能再执行、手动或其他操作。

在本场景中、 手动创建快照失败并显示以下内容:

cluster1::> volume snapshot create -vserver vserver_name -volume volume_name -snapshot snap_name

Error: command failed: Failed to create snapshot "snap_name" of volume "volume_name" on Vserver "vserver_name". Reason: Cannot
       exceed maximum number of Snapshot copies.


通过运行以下命令可以在事件日志中看到自动创建快照失败:

cluster1::> event log show -node cluster1-01 -message-name wafl.snap.create*
Time                Node             Severity      Event
------------------- ---------------- ------------- ---------------------------
6/7/2018 21:05:00   cluster1-01      NOTICE        wafl.snap.create.skip.reason: vol18ee7c9be-036f-11e7-aa76-005056920d02: skipping creation of hourly.2018-06-07_2105 Snapshot copy (Cannot exceed maximum number of Snapshot copies.).


3. 系统出现紧急情况并显示类似以下内容的消息:

Sun Feb 04 22:00:07 GMT [cluster1-01: snapd_cmode: sk.panic:alert]: Panic String: process on cpu2 hung (snapd_cmode) for 5003 milliseconds! in SK process snapd_cmode on release 9.1 (C)
 

 

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