如果源和目标之间的卷压缩设置不一致、则SnapMirror还原将失败

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Category:: snapmirror<a>SnapMirror</a><a>压缩SnapMirror</a><a>还原</a><a>2010013638</a>

Specialty:: DP

Last Updated:

适用场景

ONTAP 9
SnapMirror还原
卷数据压缩

问题描述

还原操作的目标卷已启用数据压缩、而源卷未启用数据压缩
如果从目标(原始SnapMirror目标)尝试执行SnapMirror还原、并且源(原始SnapMirror源)上不存在Snapshot副本、则该还原将失败
RST关系将运行状况显示为"false"

::*> snapmirror show ;date Progress Source Destination Mirror Relationship Total Last Path Type Path State Status Progress Healthy Updated ----------- ---- ------------ ------- -------------- --------- ------- -------- svm1_ontap913:fg_src XDP svm2_ontap913:fg_dst Snapmirrored Idle - true - svm2_ontap913:fg_dst RST svm1_ontap913:fg_src Snapmirrored Idle - false -

last-transfer-error 的在 snapmirror show FlexGroup卷和FlexVol中显示不同的错误：

FlexGroup卷：

::*> snapmirror show -fields last-transfer-error -destination-path svm1_ontap913:fg_src source-path destination-path last-transfer-error -------------------- -------------------- -------------------------------------------------------------------------------------------- svm2_ontap913:fg_dst svm1_ontap913:fg_src Group Update failed (Failed to complete update operation on one or more item relationships.)

FlexVol：

::> snapmirror show -fields last-transfer-error -destination-path svm1_ontap913:vol1_svm1 source-path destination-path last-transfer-error ------------------------------------ ----------------------- ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- svm2_ontap913:vol1_svm1_ontap913_dst svm1_ontap913:vol1_svm1 Failed to start transfer because compression is enabled on destination volume "svm1_ontap913:vol1_svm1". (Failed to start transfer. (Negotiation for using Storage Efficiency optimization failed because there is compression on the destination volume "6ee1d313-90b7-11ee-9dcc-000c297e7ba7:vol1_svm1"))

SnapMirror审核日志：

FlexGroup卷：

Wed May 15 17:59:49 JST 2024 RestoreTransfer[May 15 17:59:49]:29c860a6-1299-11ef-a788-000c297e7ba7 Operation-Uuid=2b250553-0dbc-40e7-ad8b-d00e371aa1ff Group=flexgroup Operation-Cookie=0 action=End source=svm2_ontap913:fg_dst0002 destination=svm1_ontap913:fg_src0002 status=Failure message=Failed to start transfer because compression is enabled on destination volume "svm1_ontap913:fg_src0002".(Failed to start transfer.(Negotiation for using Storage Efficiency optimization failed because there is compression on the destination volume "6ee1d313-90b7-11ee-9dcc-000c297e7ba7:fg_src0002"))

FlexVol：

Wed May 15 18:44:48 JST 2024 Restore:b7b3396d-129f-11ef-a788-000c297e7ba7 Operation-Uuid=b7b33960-129f-11ef-a788-000c297e7ba7 Group=none Operation-Cookie=0 action=End status=Failure message=Failed to start transfer because compression is enabled on destination volume "svm1_ontap913:vol1_svm1". (Failed to start transfer. (Negotiation for using Storage Efficiency optimization failed because there is compression on the destination volume "6ee1d313-90b7-11ee-9dcc-000c297e7ba7:vol1_svm1")) source=svm2_ontap913:vol1_svm1_ontap913_dst destin

如果在两个卷上都启用或禁用了卷压缩、则不会出现此问题。