未删除快照、快照会在SnapMirror目标卷上累积

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Category:: snapmirror<a>2009401922</a>

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适用场景

ONTAP 9.11.1PX和9.12.1
SnapMirror
Snapshot

问题描述

快照正在运行ONTAP 9.11.1PX和 9.12.1的SnapMirror目标卷上累积。
通常、累积的快照为SnapMirror快照、但其他快照也可能累积。
由于目标卷已达到快照限制、SnapMirror作业可能会失败。
未遵循此SnapMirror策略、并且未按照配置删除Snapshot。
目标上可能会显示以下日志、报告删除Snapshot失败：

SKTRACE.GZ:

[15:0] SM_HIGH_8: [sm_rpm.c:9526]: sm_rpm_snaplist_delete([22675]): DELETE Failed snap:<snap_id>:<snapshot_name> Error:16

SNAPMIRROR-ERROR-LOG-TXT.GZ

ScheduledUpdate[Oct 31 01:15:00]:<relationship_uuid> Operation-Uuid=<operation_uuid> Group=none Operation-Cookie=0 sm_rpm_snaplist_delete:9171 Workflow ID [166466] Snapshot "<snapshot_name>" delete failed

EMS-LOG-FILE.GZ

Sat Mar 04 18:50:07 0400 [CCADNASCLU100-01: worker_thread_674: sm.xfer.fail.maxlim.snap:alert]: The number of Snapshot copies on destination volume 'Vol' of the relationship with relationship UUID '5311b3d9-2b5e-11ec-94b5-d039ea1a7ce3' and policy 'MirrorLatest' has reached the maximum supported

OR

SNAPMIRROR.XML

Transfer did not start because the number of Snapshot copies on destination volume <volume name> will exceed the maximum supported count of 1019. Execute "snapmirror show -destination-vserver <Vserver Name> -fields last-transfer-error,unhealthy-reason -expand" to check if the constituent volumes have encountered errors.

EMS-LOG-FILE.GZ

sm_logger_main: smc.snapmir.update.fail:error]: Snapmirror update from source volume 'vol1' to destination volume 'vol2' failed with error 'The number of Snapshot copies on destination volume "vol2" has reached the maximum supported count of <count_set_by_policy>.'. Relationship UUID 'a1a620fc-a870-11e9-94ef-00a09893ee91'.