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<div class="moz-cite-prefix">Hello,<br>
<br>
Yes, it's right, you need only the space to store the changes. By
default, I think Proxmox ve 1.x installation leaved 4 GB of empty
space in volume group, but it may be insufficient if backup takes
time, or if the VM is heavily used. It seems that in PVE 2.2,
Proxmox installation leaves 16 GB :<br>
root@proxmoxtest00:~# vgdisplay<br>
--- Volume group ---<br>
VG Name pve<br>
System ID<br>
Format lvm2<br>
....<br>
VG Size 297.59 GiB<br>
PE Size 4.00 MiB<br>
Total PE 76183<br>
Alloc PE / Size 72088 / 281.59 GiB<br>
Free PE / Size 4095 / 16.00 GiB<br>
<br>
Alain<br>
<br>
Le 14/02/2013 15:17, Mark Ehle a écrit :<br>
</div>
<blockquote
cite="mid:CAP3oLuAFYuQ+qy+RyUR=YjqjYdUJFwG3tySpH2Y=krpyzCHjfQ@mail.gmail.com"
type="cite">I might be wrong, but I am under the impression that
the spare space only has to equal the changes that take place
between the snapshot and the filesystem while the snapshot exists.
<br>
<br>
<br>
<div class="gmail_quote">On Thu, Feb 14, 2013 at 4:52 AM, Daniel
Vuilleumier <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:vui@bitnpixel.com" target="_blank">vui@bitnpixel.com</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>
Does anybody know whether the "live snapshot" requires us to
have empty space on the logical volume group in both cases:
local backup and backup to NFS?<br>
<br>
For example:<br>
My LVM is 1.8TB (maximum size on HW-RAID10).<br>
I want to live snapshot a 100GB Container.<br>
<br>
Do I have to shrink the logical volume to 1.7TB in order to
get the snapshot done without downtime?<br>
<br>
In Proxmox 1.9 this used to be the case, does it still apply
to 2.2 (and forthcomeing 2.3)?<br>
<br>
Regards<br>
Daniel Vuilleumier<br>
Zurich, Switzerland<br>
<br>
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</div>
<br>
<br>
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</blockquote>
<br>
<br>
<pre class="moz-signature" cols="72">--
Administrateur Système/Réseau
Laboratoire de Photonique et Nanostructures (LPN/CNRS - UPR20)
Centre de Recherche Alcatel Data IV - Marcoussis
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Tel : 01-69-63-61-34</pre>
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