When does ONTAP delete Tamperproof Snapshot?

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Category:: ontap-9

Specialty:: core

Last Updated:

Applies to

ONTAP 9.12.1 or later
Tamperproof Snapshot copy locking

Answer

The tamperproof snapshot is auto-deleted when the next scheduled snapshot is generated after the retention period ends.

Example:

The retention period of Tamperproof Snapshot 5min.2024-07-31_1515 ended after 15:21:00 but its auto-deleted occurred at 15:25:00 along with 5min.2024-07-31_1525's auto-creation.

ontap912::> volume snapshot policy show -policy Tamperproof -ins

Vserver: ontap912 Snapshot Policy Name: Tamperproof Snapshot Policy Enabled: true Policy Owner: cluster-admin Comment: - Total Number of Schedules: 1 Schedule Count Prefix SnapMirror Label Retention Period -------------- ----- ------------- ------------------ ------------------ 5min 1 5min - 6 minutes

ontap912::> date;snapshot show -vserver svm1_ontap912 -volume vol1_svm1 Node Date Time zone --------- ------------------------ ------------------------- ontap912-01 Wed Jul 31 15:24:57 2024 Japan ontap912-02 Wed Jul 31 15:24:57 2024 Japan 2 entries were displayed.

---Blocks--- Vserver Volume Snapshot Size Total% Used% -------- -------- ------------------------------------- -------- ------ ----- svm1_ontap912 vol1_svm1 ref_ss_volmove_7132_1719990827_9 144KB 0% 0% ref_ss_volmove_7132_1719990921_10 4.40MB 0% 1% weekly.2024-07-14_0015 5.42MB 0% 1% weekly.2024-07-21_0015 7.85MB 0% 1% daily.2024-07-25_0010 1.81MB 0% 0% daily.2024-07-26_0010 9.36MB 0% 1% hourly.2024-07-26_1105 148KB 0% 0% hourly.2024-07-26_1205 152KB 0% 0% hourly.2024-07-26_1305 9.22MB 0% 1% hourly.2024-07-26_1405 152KB 0% 0% hourly.2024-07-26_1505 148KB 0% 0% hourly.2024-07-26_1605 4.43MB 0% 1% snapmirror.2e3cb37b-64a9-11ed-b07f-005056959654_2150626468.2024-07-31_150500 148KB 0% 0% 5min.2024-07-31_1515 148KB 0% 0%　　 5min.2024-07-31_1520 144KB 0% 0% ref_ss_volmove_7152_1722407087_23164 144KB 0% 0% 16 entries were displayed.

ontap912::> date;snapshot show -vserver svm1_ontap912 -volume vol1_svm1 Node Date Time zone --------- ------------------------ ------------------------- ontap912-01 Wed Jul 31 15:25:00 2024 Japan ontap912-02 Wed Jul 31 15:25:00 2024 Japan 2 entries were displayed.

---Blocks--- Vserver Volume Snapshot Size Total% Used% -------- -------- ------------------------------------- -------- ------ ----- svm1_ontap912 vol1_svm1 ref_ss_volmove_7132_1719990827_9 144KB 0% 0% ref_ss_volmove_7132_1719990921_10 4.40MB 0% 1% weekly.2024-07-14_0015 5.42MB 0% 1% weekly.2024-07-21_0015 7.85MB 0% 1% daily.2024-07-25_0010 1.81MB 0% 0% daily.2024-07-26_0010 9.36MB 0% 1% hourly.2024-07-26_1105 148KB 0% 0% hourly.2024-07-26_1205 152KB 0% 0% hourly.2024-07-26_1305 9.22MB 0% 1% hourly.2024-07-26_1405 152KB 0% 0% hourly.2024-07-26_1505 148KB 0% 0% hourly.2024-07-26_1605 4.43MB 0% 1% snapmirror.2e3cb37b-64a9-11ed-b07f-005056959654_2150626468.2024-07-31_150500 148KB 0% 0% 5min.2024-07-31_1520 144KB 0% 0% ref_ss_volmove_7152_1722407087_23164 148KB 0% 0% 5min.2024-07-31_1525 140KB 0% 0% 16 entries were displayed.

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