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How to reclaim space of Local Storage on XenServer 6.1

Hi Experts,

I have a Xenserver 6.1 hypervisor running 3 virtual servers on it. The total disk capacity on the Xenserver is 1.6Tb.

The total disk capacity of all 3 virtual servers equates to 500Gb.

Having a look at local storage on this XenServer it is currently reading:

Usage - 97% (1626.9Gb used)
Size - 1667.1Gb
Virtual Allocation - 106.5Gb

I don't understand why its saying that the usage is at 97% when I'm clearly using less than 50% of the disk capacity
when adding up all 3 virtual servers.

Can someone please explain and show me what I need to do to reclaim this space?

Many Thanks
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markbenham
Asked:
markbenham
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2 Solutions
 
Mohammed KhawajaCommented:
- Could you run XenCenter and see how large each disk assigned to VMs are
- Do you have any snapshots that can be deleted
- Have you created a repository for keeping your ISO files

There could be many reasons that your disk usage could be affected.  Another possibility is that you might have created some VMs in the past, deleted them but the virtual drives are still there.
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markbenhamAuthor Commented:
Hi Mohammed,

Thanks for your response.

>> Could you run XenCenter and see how large each disk assigned to VMs are

The total assigned to all 3 VMs equates to 500Gb

>> Do you have any snapshots that can be deleted

I've deleted all snapshots but kept 1. Does the snapshot take much space? It doesn't show how much space the snapshot takes.

>> Have you created a repository for keeping your ISO files

I've now removed CIFS ISO Library

Unfortunately its still the same. It is still showing 97% usage in XenCenter.

Is there anything else I could try or see what is taking up all the space?

Many Thanks
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markbenhamAuthor Commented:
i noticed that if I wait a while (approx 2 hrs) after deleting the snapshot the space is then freed and I'm then able to snapshot it again but only after waiting.
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markbenhamAuthor Commented:
This is because I had to wait to see what will happen and fortunately after waiting it worked.
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