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Minimum Free Space required on data store before removing VM snapshot

Need to understand..if there is any minimum free space limit required@Datastore-before removing any vm snapshot  ?

 and ll there be any downtime? ..if we Take/Remove VM snaps with different options ?
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patron
Asked:
patron
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2 Solutions
 
patronAuthor Commented:
Anyone have detail about VMware KB:1002786  ?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
see my EE Article

HOW TO: VMware Snapshots :- Be Patient

If the VM is on, you will need datastore space, if the VM is OFF, you will not require any additional space for the MERGE.
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patronAuthor Commented:
Thanks for sharing this
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
no problems
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patronAuthor Commented:
i have snapshot of total size 7 GB for one of my sql-db vm.. and it took almost 48 hour still it is @47%..does it meas issue with snap..or something else?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Are you sure the size is only 7GB?

how long has the VM been on a snapshot?

7GB is very small?
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patronAuthor Commented:
yes..it was of 7 GB only..but it took almost more then 48 Hours to remove Snapshot: which include multiple delta file there in different data store as vmdk were there on different data stores:can this be the reason behind it: as Total size of all Delta VMDK was 7 GB..

VM Snap i have taken just 4 days before the Snap removal i have started.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Snapshots can take many hours to delete, you just need to Be Patient.
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patronAuthor Commented:
Thanks.
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