<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jun 27, 2017 at 1:37 PM, InterNetX - Juergen Gotteswinter <span dir="ltr"><<a href="mailto:jg@internetx.com" target="_blank">jg@internetx.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span class="gmail-"><br>
<br>
Am 27.06.2017 um 11:27 schrieb Gianluca Cecchi:<br>
> Hello,<br>
> I have a storage domain that I have to empty, moving its disks to<br>
> another storage domain,<br>
><br>
> Both source and target domains are iSCSI<br>
> What is the behavior in case of preallocated and thin provisioned disk?<br>
> Are they preserved with their initial configuration?<br>
<br>
</span>yes, they stay within their initial configuration<br>
<span class="gmail-"><br>
><br>
> Suppose I have one 500Gb thin provisioned disk<br>
> Why can I indirectly see that the actual size is 300Gb only in Snapshots<br>
> tab --> Disks of its VM ?<br>
<br>
</span>if you are using live storage migration, ovirt creates a qcow/lvm<br>
snapshot of the vm block device. but for whatever reason, it does NOT<br>
remove the snapshot after the migration has finished. you have to remove<br>
it yourself, otherwise disk usage will grow more and more.<br></blockquote><div><br></div><div>I believe you are referring to the "Auto-generated" snapshot created during live storage migration. This behavior is reported in <a href="https://bugzilla.redhat.com/1317434">https://bugzilla.redhat.com/1317434</a> and fixed since 4.0.0.</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
><br>
> Thanks,<br>
> Gianluca<br>
><br>
><br>
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</blockquote></div><br></div></div>