Re: [Xen-users] Converting AND shrinking domU

[Simon Hobson <linux@xxxxxxxxxxxxxxxx>]

James Pifer wrote:

> I don't know if the SAN supported thin provisioning, but I'm also not
> sure what you mean. Can you elaborate a little?
It's like using a sparse file. You tell the SAN what size of volume 
you want it it appears to give it to you. What it's actually doing is 
using a sparse file so it can overcommit on space and rely on the 
clients not all filling their disks.
It means you can make all the volumes a good size with plenty of 
margin, but without wasting all the space that would add up to. Dunno 
what happens if too many of the guests start filling the space up 
though.
--
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
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