10:06 a.m.
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Dňa 04.12.2013 15:57, Allon Mureinik wrote / napísal(a):
Hi, I'm currently looking for ways to backup my disks.
Live storage migration converted my disks from
preallocated to thin provisioning. Preallocated disk
backups are working from a simple dd from a snapshot,
but the thin qcow2 disks are a problem. I seems it uses
multiple logical volumes (3 in my case).
For one snapshot? Are you sure?
Not anymore, i've deleted the host and its
disks :(
Also they
are combined MUCH bigger than the preallocated:
8GB raw vs thin: 31 GB - 1 snapshot.
What version are you using?
And on what storage?
3.3 on iscsi. And I am talking about the LVM lv sizes. No idea
how much
of that space the qcow actually occupies.
So I have two questions:
- how would you backup these thin disks?
You could just copy all three of your volumes.
A more robust way, though, would probably be to export the disk to an
export domain.
The problem was, that i didn't know WHICH volumes to copy, but
that was
probably due a wrong sql query.
--
Ernest Beinrohr, AXON PRO
DevOps, Ing <http://www.beinrohr.sk/ing.php>;, RHCE
<http://www.beinrohr.sk/rhce.php>;, RHCVA
<http://www.beinrohr.sk/rhce.php>;, LPIC
<http://www.beinrohr.sk/lpic.php>;, VCA <http://www.beinrohr.sk/vca.php>;,
+421-2--6241-0360 <callto://+421-2--6241-0360>, +421-903--482-603
<callto://+421-903--482-603>
icq:28153343, skype:oernii-work <callto://oernii-work>,
jabber:oernii@jabber.org
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<div class="moz-cite-prefix">Dňa 04.12.2013 15:57, Allon Mureinik
wrote / napísal(a):<br>
</div>
<blockquote
cite="mid:1426271281.231985.1386169070765.JavaMail.root@redhat.com"
type="cite">
<div style="font-family: times new roman, new york, times, serif;
font-size: 12pt; color: #000000">
<blockquote style="border-left:2px solid
#1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;">
<div>Hi, I'm currently looking for ways to backup my disks.
<br>
</div>
Live storage migration converted my disks from <br>
preallocated to thin provisioning. Preallocated disk <br>
backups are working from a simple dd from a snapshot, <br>
but the thin qcow2 disks are a problem. I seems it uses <br>
multiple logical volumes (3 in my case).</blockquote>
<div>For one snapshot? Are you sure?</div>
</div>
</blockquote>
Not anymore, i've deleted the host and its disks :(<br>
<blockquote
cite="mid:1426271281.231985.1386169070765.JavaMail.root@redhat.com"
type="cite">
<div style="font-family: times new roman, new york, times, serif;
font-size: 12pt; color: #000000">
<blockquote style="border-left:2px solid
#1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;">
Also they <br>
are combined MUCH bigger than the preallocated:<br>
8GB raw vs thin: 31 GB - 1 snapshot.</blockquote>
<div>What version are you using?</div>
<div>And on what storage?</div>
</div>
</blockquote>
3.3 on iscsi. And I am talking about the LVM lv sizes. No idea how
much of that space the qcow actually occupies.<br>
<blockquote
cite="mid:1426271281.231985.1386169070765.JavaMail.root@redhat.com"
type="cite">
<div style="font-family: times new roman, new york, times, serif;
font-size: 12pt; color: #000000">
<blockquote style="border-left:2px solid
#1010FF;margin-left:5px;padding-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><br>
<br>
So I have two questions:<br>
- how would you backup these thin disks?</blockquote>
<div>You could just copy all three of your volumes.</div>
<div>A more robust way, though, would probably be to export the
disk to an export domain.</div>
</div>
</blockquote>
The problem was, that i didn't know WHICH volumes to copy, but that
was probably due a wrong sql query.<br>
<br>
<br>
<div class="moz-signature">-- <br>
<div id="oernii_footer" style="color: gray;">
<span style="font-family: Lucida Console, Luxi Mono, Courier,
monospace; font-size: 90%;">
Ernest Beinrohr, AXON PRO<br>
DevOps,
<a style="text-decoration: none; color: gray;"
href="http://www.beinrohr.sk/ing.php">Ing</a>, <a
style="text-decoration: none; color: gray;"
href="http://www.beinrohr.sk/rhce.php">RHCE</a>, <a
style="text-decoration: none; color: gray;"
href="http://www.beinrohr.sk/rhce.php">RHCVA</a>, <a
style="text-decoration: none; color: gray;"
href="http://www.beinrohr.sk/lpic.php">LPIC</a>, <a
style="text-decoration: none; color: gray;"
href="http://www.beinrohr.sk/vca.php">VCA</a>, <a
style="text-decoration: none; color: gray;"
href="callto://+421-2--6241-0360">+421-2--6241-0360</a>,
<a
style="text-decoration: none; color: gray;"
href="callto://+421-903--482-603">+421-903--482-603</a><br>
icq:28153343, <a style="text-decoration: none; color: gray;"
href="callto://oernii-work">skype:oernii-work</a>,
<a class="moz-txt-link-abbreviated"
href="mailto:jabber:oernii@jabber.org">jabber:oernii@jabber.org</a>
<br>
</span>
<hr style="height: 1px; width: 95%"> <span
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over public relations, for Nature cannot be fooled.” Richard
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