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Thin Provision Really?


tohadlock

Question

So I'm used to thin provisioned VM's from another product.

I just installed a couple of servers with Citrix Hypervisor and selected thin disk.

So when I deploy a VM with say 100GB of disk it always shows as 100GB.

Is that just the way its shown in the Citrix XenCenter?

Is it really only taking up with the VM says like 30GB on the host disk?
All storage is local RAID sets.

 

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4 answers to this question

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On 1/2/2024 at 6:19 AM, Jeff Riechers1709152667 said:

Xenserver thin provisioning is only on GFS2, NFS, or SMB SRs unfortunately.

So during the installation, I should be able to skip the secondary RAID and add it later as GFS2 so that at least the VM storage is thin provisioned?

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Go to Host > Local Storage > Type 

If it shows Ext - it should be Thin Provisioned and should show only the used space 

If it shows LVM - it should be Thick Provisioned and should show the allocated space

 

You would need a minimum 3 hosts to run  GFS2

Else you can use an external NFS Storage which is also Thin provisioned by default

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