XenServer Thin Provision Snapshots
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Snapshots in XenServer 6.5 or XenServer 6.6 using LVM or EXT local storage
When creating snapshots in LVM Local Storage, I only see one and after removing snapshot the base copy is removed.
When creating snapshots in EXT Local Storage it starts out with three vhd files in SR-UUID and after removing snapshot the base copy remains. I see two vhd files in /var/run/sr-mount/<SR-UUID>, one is the original and the other is the base copy.
Using Export/Import fixes it for me but that's time consuming especially with large vhd files.
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Welcome to the community!
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I noticed this as well - though I have no idea what filesystem I'm on - I'm going to have to look now.
I noticed after copying a VM, I now have a base image and a separate file that is the original VM.
Did you find a way to merge the base and the original back into one?
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@Dashrender said:
I noticed this as well - though I have no idea what filesystem I'm on - I'm going to have to look now.
Issue should not be filesystem related. However. EXT family should not be used. XFS should.
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I was able to convert the vm to a template and then create a new one from the template. Just make sure uncheck "Use storage-level fast disk clone" before finish creating the vm.
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@black3dynamite said:
I was able to convert the vm to a template and then create a new one, unchecking "Use storage-level fast disk clone.
I specifically remember using fast disk clone. I've never used it before - interesting how it worked.
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By default during XenServer install, we can either keep the default LVM or select Thin (EXT). How does one use XFS instead?
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I've confirmed copy vm doesn't work.
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@black3dynamite said:
I've confirmed copy vm doesn't work.
Can you do copy VM without fast disk clone to create a whole new VHD, then delete the old base and original VHDs?
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@Dashrender said:
@black3dynamite said:
I've confirmed copy vm doesn't work.
Can you do copy VM without fast disk clone to create a whole new VHD, then delete the old base and original VHDs?
Full Copy work but we shouldn't have to do that.
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@black3dynamite said:
@Dashrender said:
@black3dynamite said:
I've confirmed copy vm doesn't work.
Can you do copy VM without fast disk clone to create a whole new VHD, then delete the old base and original VHDs?
Full Copy work but we shouldn't have to do that.
Oh? Does another platform work differently for base images?
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@Dashrender said:
@black3dynamite said:
@Dashrender said:
@black3dynamite said:
I've confirmed copy vm doesn't work.
Can you do copy VM without fast disk clone to create a whole new VHD, then delete the old base and original VHDs?
Full Copy work but we shouldn't have to do that.
Oh? Does another platform work differently for base images?
I don't know. LVM SR, base copy is removed after removing the snapshot but EXT SR still leave the base copy after snapshot remover. I wondered if doing a full copy instead of removing the snapshot first does the same thing.
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My situation wasn't a snapshop - it was a fast copy.. so I'm not really sure.
