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You created a LUN in a new volume on your Netapp ONTAP cluster. You enabled the default snapshot schedule and enabled snapshot autodelete on the volume. In this scenario, in which three situations does the snapshot autodelete feature automatically delete snapshot copies in the volume? (choose three)
A. The snapshot reserve space is nearly full
B. The LUN is nearly full
C. The overwrite reserve space is full
D. The volume is nearly full
E. The aggregate is nearly full
Answer: A, C, D
Explanation:
Depending on what is selected in the “Trigger” option, Snapshot Autodelete will automatically delete a snapshot when, either the volume space utilized, or the snapshot reserve reaches a threshold capacity specified below.
Automatic deletion of Snapshot copies from flexible volumes Data ONTAP can automatically delete one or more Snapshot copies on the volume, provided the Data ONTAP Snapshot copy autodeletion policy is enabled and set to trigger when the overwrite reserve is nearly full on the volume.
You can find more information on this link:
https://kb.netapp.com/Advice_and_Troubleshooting/Data_Storage_Software/ONTAP_OS/How_to_use_Snapshot_Autodelete
https://library.netapp.com/ecmdocs/ECMP1217281/html/GUID-98FB8EC4-F3AE-4D25-AF44-E3200AFEB1AB.html
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