<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Fri, Feb 26, 2016 at 5:31 PM, Troels Arvin <span dir="ltr"><<a href="mailto:troels@arvin.dk" target="_blank">troels@arvin.dk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello,<br>
<br>
I'm moving some storage from one SAN storage unit to another SAN storage<br>
unit (i.e.: block device storage). So I have two RHEV storage domains:<br>
<br>
SD1<br>
SD2<br>
<br>
We need to move most of SD1s data to SD2.<br>
<br>
Live storage migration for a guest works fine: It's easy to migrate a<br>
disk from being in SD1 to SD2.<br>
<br>
But now that I have released around half of SD1, I would like to let go<br>
of a LUN which is part of SD1. How is that done?</blockquote><div><br></div><div>Sorry, this is not supported.</div><div><br></div><div>Your only option is to move all disks from SD1, remove SD1, and recreate it.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">(If this were a stand-<br>
alone Linux box, I would use vgreduce to release a PV and then remove the<br>
PV from the server.)<br></blockquote><div><br></div><div>This should work on our vgs, but:</div><div>- It may move lvs from this pv to another pv, breaking our metadata </div><div> (stored in the metadata lv)</div><div>- Engine will have stale pvs for this vg, this may break your setup</div><div><br></div><div>If this feature is important for your, please file a bug and explain the use case,</div><div>so we can consider this for future versions.</div><div><br></div><div>Nir</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<span class="HOEnZb"><font color="#888888"><br>
--<br>
Regards,<br>
Troels Arvin<br>
<br>
<br>
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