Snapshots manually created are auto deleted with autodelete false

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Views:: 487

Visibility:: Public

Votes:: 0

Category:: ontap-9

Specialty:: core

Last Updated:

Applies to

ONTAP 9

Issue

Manual snapshots missing
Snapshots were auto-deleted to free up space
Output of snap list after snapshot creation:

CLUSTER::> snap list -vol vol1 ---Blocks--- Vserver Volume Snapshot Size Total% Used% -------- -------- ------------------------------------- -------- ------ ----- SVM_1 vol1 3hour.2022-08-06_0805 74.69GB 4% 9% 3hour.2022-08-06_1105 23.50GB 1% 3% Manual_DR_1 120KB 0% 0% Manual_DR_2 104KB 0% 0% 4 entries were displayed.

EMS logs indicate they were automatically deleted due to an out of space condition:

Sat Aug 06 12:38:15 IST [CLUSTER-02: wafl_spcd_main: monitor.volume.full:debug]: Volume vol1@vserver:898ddad3-0373-11e7-91cb-00a098ac7a64 is full (using or reserving 98% of space and 0% of inodes). Sat Aug 06 12:38:17 IST [CLUSTER-02: snap_helper: wafl.volume.snap.autoDelete:info]: Deleting Snapshot copy '3hour.2022-08-06_0805' in volume 'vol1@vserver:898ddad3-0373-11e7-91cb-00a098ac7a64' to recover storage. Sat Aug 06 12:38:20 IST [CLUSTER-02: wafl_spcd_main: monitor.volume.nearlyFull:alert]: Volume vol1@vserver:898ddad3-0373-11e7-91cb-00a098ac7a64 is nearly full (using or reserving 97%% of space and 0%% of inodes). Sat Aug 06 12:38:29 IST [CLUSTER-02: wafl_spcd_main: monitor.volumes.one.ok:debug]: Volume vol1@vserver:898ddad3-0373-11e7-91cb-00a098ac7a64 is OK. Sat Aug 06 12:38:36 IST [CLUSTER-02: snap_helper: wafl.volume.snap.autoDelete:info]: Deleting Snapshot copy '3hour.2022-08-06_1105' in volume 'vol1@vserver:898ddad3-0373-11e7-91cb-00a098ac7a64' to recover storage. Sat Aug 06 12:38:54 IST [CLUSTER-02: snap_helper: wafl.volume.snap.autoDelete:info]: Deleting Snapshot copy 'Manual_DR_1' in volume 'vol1@vserver:898ddad3-0373-11e7-91cb-00a098ac7a64' to recover storage. Sat Aug 06 12:39:08 IST [CLUSTER-02: snap_helper: wafl.volume.snap.autoDelete:info]: Deleting Snapshot copy 'Manual_DR_2' in volume 'vol1@vserver:898ddad3-0373-11e7-91cb-00a098ac7a64' to recover storage.

Snapshot settings indicate autodelete is false:

::> volume snapshot autodelete show

Vserver Name: SVM_1 Volume Name: vol1 Enabled: false Commitment: try Defer Delete: user_created Delete Order: oldest_first Defer Delete Prefix: (not specified)