更改 Snapshot 策略后，旧 Snapshot 不会回滚

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Category:: snapmirror

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适用场景

ONTAP 9.x
Snapshot 策略

问题描述

在卷上更改 Snapshot 策略后，旧快照不会回滚
示例：

Cluster1::> volume show -volume vol1 -fields snapshot-policy vserver volume snapshot-policy ------------ ------ --------------- SVM01 vol1 NewPolicy

Cluster1::> volume snapshot policy show Vserver: Cluster1 OldPolicy 3 true Default policy with hourly, daily & weekly schedules. Schedule Count Prefix SnapMirror Label ---------------------- ----- ---------------------- ------------------- hourly 6 hour4-12 - daily 8 daily8 daily weekly 2 weekly weekly NewPolicy 3 true Default policy with hourly, daily & weekly schedules. Schedule Count Prefix SnapMirror Label ---------------------- ----- ---------------------- ------------------- hourly 6 hourly - daily 2 daily daily weekly 2 weekly weekly

Cluster1::> snapshot show -volume vol1 Vserver Volume Snapshot -------- -------- ------------------------ SVM01 vol1 daily8.2021-09-24_2000 daily8.2021-09-25_2000 daily8.2021-09-26_2000 daily8.2021-09-27_2000 daily8.2021-09-28_2000 daily8.2021-09-29_2000 daily8.2021-09-30_2000 daily8.2021-10-01_2000 daily8.2021-10-02_2000 daily8.2021-10-03_2000 daily8.2021-10-04_2000 daily8.2021-10-05_2000 hour4-12.2021-10-06_0400 hour4-12.2021-10-06_1200 daily8.2021-10-06_2000 hour4-12.2021-10-07_0400 hour4-12.2021-10-07_1200 daily8.2021-10-07_2000 hour4-12.2021-10-08_0400 hour4-12.2021-10-08_1200 weekly.2021-10-31_0015 weekly.2021-11-07_0015 daily.2021-11-09_0010 daily.2021-11-10_0010 hourly.2021-11-10_0505 hourly.2021-11-10_0605 hourly.2021-11-10_0705 hourly.2021-11-10_0805 hourly.2021-11-10_0905 hourly.2021-11-10_1005 30 entries were displayed.