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Duc998
Contributor
Contributor

Possible to do Thick to Thin on without having to clone to another datastore

Hi all,

I'm sure I was able to do a thick to thin on some VM's without having to clone to another datastore. I some VM's I was able to

click migrate > change datastore > in select datastore click advanced and

leave all files in current location > select thin prov format > done.

This worked for some VM's but will not work for others.

The problem is I'm snapmirroring some volumes to DR over a slow link and dont want the delta netapp snapshots to grow

large. So I'd like to avoid any large data changes on the volume if possible.

Could the problem I'm having be a free space issue?

Any other recommendations or command lines I can try?

Tks

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GreatWhiteTec
VMware Employee
VMware Employee

Storage vMotion like you are doing is probably the best way. I have seem my snapmirrors to get a little big when I do this, so I schedule them to only do it overnight until they are caught up, then I change the schedule back to hourly.

I haven't try this but what if you migrate to the same datastore, and just change it to thin provisioning?

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