xen-users
Re: [Xen-users] How to add 2 physical scsi drives to ubuntu fileshare VM
David Oh wrote:
I'm now going for my second domU - a fileserver running Ubuntu
10.04LTS 64-bit server but I have one question:
I have 2 500GB SCSI drives full of files (one formatted as EXT3, the
other XFS) I'd like the fileshare domU I'm going to create to access
these disks directly (or flow through some sort of virtual
container) without having to reformat or migrate. My desire is to
be able to take these drives out and plug them into another machine
without having to do much fussing around to access the files.
As I read it - you have these disks full of files, you want to mount
them on the DomU, and then share them from that ?
Just add additional virtual disk declarations to your client config
and they'll appear to the client. There are two ways to do it, which
you choose is a matter of personal preference and what else you run
on the machine.
Option 1 : give the whole disk to the client.
In the client config on your Dom0, give the device name of the whole
disk (eg /dev/sdc) as the device.
Eg:
disk = [ 'phy:/dev/vg0/filesrversystem,xvda1,w', 'phy:/dev/sdc,xvda2,w' ]
In the DomU, you'll now find you have a disk (/dev/xvda2 in this
case) that is partitioned - so you'd mount /dev/xvda1 etc.
Option 2 : pass individual partitions
This is what I do - partly because I run multiple clients and have a
lot of LVM volumes all on the same (raid) disk. Eg :
disk = [ 'phy:/dev/vg0/filesrverroot,xvda1,w',
'phy:/dev/vg0/filesrvervar,xvda2,w', 'phy:/dev/vg0/filesrver
swap,xvda3,w', 'phy:/dev/sdc1,xvda2,w' ]
assuming in this case that /dev/sdc1 is the partition with all your
files on it.
--
Simon Hobson
Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.
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