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 Post subject: How to get space back after deletion of TPVVs
PostPosted: Tue May 11, 2021 3:18 am 

Joined: Mon Oct 29, 2018 6:34 am
Posts: 10
Hi,

I've just deleted some TPVVs but i don't get the chunklets back to create new volumes.
Is there any step I have to perform in beetween?
E.g. tunesys?

The hardware is a 8400.

BR
crazy69


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 Post subject: Re: How to get space back after deletion of TPVVs
PostPosted: Tue May 11, 2021 5:45 am 

Joined: Mon Sep 21, 2015 2:11 pm
Posts: 1570
Location: Europe
compact cpg.

but if you create them in the same cpg as the old you don't really need to do that.

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 Post subject: Re: How to get space back after deletion of TPVVs
PostPosted: Tue May 11, 2021 10:52 pm 
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Joined: Tue Aug 18, 2009 10:35 pm
Posts: 1328
Location: Dallas, Texas
What MammaGutt said because:

There are several levels of "free space".

System wide free space is free chunklets not assigned to any CPG. This is probably what you are looking at.

However there are unused chunklets allocated to CPGa, and... unused chunklets can be allocated to volumes too. If you have many CPGs then running compactcpg would be needed to have one CPG return unused space back to the system so other CPGs can use it. If you use 1 CPG for everything, then you have one less reason to run CPG, and just need to consider looking at both metrics to under stand your free space.

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