Re: [Xen-users] How do I share a folder with xen guests on Linux?

[Rudi Ahlers <Rudi@xxxxxxxxxxx>]

Nico Kadel-Garcia wrote:
> Tomasz Chmielewski wrote:
> > Rudi Ahlers schrieb:
> > > Tomasz Chmielewski wrote:
> > > > Rudi Ahlers schrieb:
> > > > > Hi
> > > > >
> > > > > How do I share a folder, say /bkp with xen hosts? I'm using CentOS 
> > > > > 5.1 as host 
> > > > NFS?
> > > Sorry, I should have said, I'd like to the folder to be visible to 
> > > the guests, and not NFS / FTP, as it will interfere with the network 
> > > statistics on the NIC
> > I don't think there are any other options to share data between the 
> > host and guest other than using network.
> > Certainly, using a serial connection or VNC are not an option.
> >
> > Why not create a separate interface just for this kind of traffic?
> Yes, there is. Once you've booted the Xen domaiin, you can add hte 
> block device or ISO or other file system image to the list of block 
> devices of the guest domain with the "xm" command, and then log into 
> the Xen guest and mount it there. I recommend this only for read-only 
> block devices, to avoid becoming confused about what is writing to the 
> partition and how too manage it.
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This is what I am looking for, but the purpose of the exercise is to 
allow the VM's to backup their data to the extra block device. /dev/hdd1 
is basically an extra empty HDD that I want to use for backups, so it's 
imperative for them to write to them. Currently it's mounted on /bck on 
the dom0, so I think I'll just create a seperate folder for each vm, 
like /bck/vm01, /bck/vm02, etc
But, how do I share that block device with the domU's? I'm very new to Xen

--

Kind Regards
Rudi Ahlers
CEO, SoftDux

Web:   http://www.SoftDux.com
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