Re: [Xen-users] resize xen disk file

[Rudi Ahlers <Rudi@xxxxxxxxxxx>]

Brian Stempin wrote:
> Rudi,
>
> conv=notrunc prevents dd from truncating the file.  Normally, dd would 
> just overwrite the file.  When using conv=notrunc, dd will leave the 
> existing data alone and stop taking on 0s when the desired file size 
> is reached.
Great, so existing data should still stay the same then?
> Setting up LVM inside of a VM is the most useful in cases where you 
> give the VM direct disk access.  Since you have a file (or a series of 
> files), most of the advantages that LVM affords you are redundant.
Ok, so you're saying that when I setup the VM's / dum_U's, and I get to 
the partitioning part, that I should use LVM? Even thoug h LVM is 
already being used on dom0 / the main server's hard drives? That sounds 
odd to me, but I'll give it a shot on my next VM deployment
> Since you're using LVM, you'll have to expand your LVM partitions 
> before you can expand the underlying EXT2 file system.  As indicated 
> earlier in this email chain, you can expand your LVM group via 
> pvresize and lvextend.
My main system still has plenty space on the HDD's, and I use image 
files for the VM's, not seperate LV's / PV's - The only reason I use LVM 
is to make it easier to upgrade the HDD's
> _______________________________________________
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I'm learning a lot today :)

--

Kind Regards
Rudi Ahlers
CEO, SoftDux

Web:   http://www.SoftDux.com
Check out my technical blog, http://blog.softdux.com for Linux or other 
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