[ovirt-users] Moving thin provisioned disks question

[Gianluca Cecchi]

On Tue, Jun 27, 2017 at 12:37 PM, InterNetX - Juergen Gotteswinter <
jg at internetx.com> wrote:

>
>
> Am 27.06.2017 um 11:27 schrieb Gianluca Cecchi:
> > Hello,
> > I have a storage domain that I have to empty, moving its disks to
> > another storage domain,
> >
> > Both source and target domains are iSCSI
> > What is the behavior in case of preallocated and thin provisioned disk?
> > Are they preserved with their initial configuration?
>
> yes, they stay within their initial configuration
>

Thanks. I'll try and report in case of problems


>
> >
> > Suppose I have one 500Gb thin provisioned disk
> > Why can I indirectly see that the actual size is 300Gb only in Snapshots
> > tab --> Disks of its VM ?
>
> if you are using live storage migration, ovirt creates a qcow/lvm
> snapshot of the vm block device. but for whatever reason, it does NOT
> remove the snapshot after the migration has finished. you have to remove
> it yourself, otherwise disk usage will grow more and more.
>
>
Do you mean the snapshot of the original one? In my case I'm moving from
storage domain to storage domain and I would expect nothing remaining at
source storage...
How can I verify the snapshot still there?
Is there any bugzilla entry tracking this? It would be strange if not...

Gianluca
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