[pve-devel] [Training Issue] LVMthin - moving of disks kills thin provisioning

[Wolfgang Bumiller]

On Thu, Jun 16, 2016 at 10:25:55AM +0200, Wolfgang Link wrote:
> Sorry you are right on online move disk.
> This is not optimal.
> will check it, if it is a bug or only an special case what we haven't set.

Probably a case where we forget to try to use the zeroinit filter?

> 
> 
> On 06/16/2016 10:01 AM, Wolfgang Link wrote:
> > 
> > Hello,
> > 
> > Test it and move KVM disk from LVMThin to LVMThin works well new Disk
> > has 80% usage as the source.
> > 
> > On 06/16/2016 09:13 AM, Dennis Busch wrote:
> >> Good morning!
> >>
> >> We're right now holding a training in Verona. It is the first one with
> >> LVMthin. In our hands-on parts we recognized that if you're moving a
> >> disk from a thin provisioned LVM storage to another one, the target
> >> volume is filled to 100% and so the thin provisioning is completely gone.
> >>
> >> My students considered this not to be practible in productive environments.
> >>
> >> So - with the hope of a quick answer - did we do something wrong, is
> >> this a bug or a workaround?
> >>
> >> Thank you!
> >>
> >> Dennis
> >>
> > 
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> 
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