Re: [Xen-users] which disks/block device does Xen use at the moment?

[Tomasz Chmielewski <mangoo@xxxxxxxx>]

Nico Kadel-Garcia schrieb:
> Tomasz Chmielewski wrote:
> > I'm sending it again, as the message sent on 16.11.2007 didn't get to 
> > the list.
> > Is there a way to guess which block devices / disk does Xen use at the 
> > moment?
> > I use Xen with iSCSI.
> > I connect to 50 iSCSI targets or more on each Xen server - and I get 
> > "virtual disks" ranging from /dev/sda to /dev/sdbl etc. - it's a lot.
> > Sometimes, I want to log out a given iSCSI connection (parameters 
> > changed on a target etc.) - but before I actually do it, I would like 
> > to know if that iSCSI drive is not used by Xen.
> > In other word - is there a way to check if Xen uses block device 
> > /dev/sda, /dev/sdu or /dev/sdbb etc.?
> Well, what does "mount" say from the DomU
mount from domU would always say its "local" disk, that is, /dev/sda1 or 
such. And good luck if domU is Windows.
> and what does "xm list 
> [DOMAIN] --long" say on the Dom0?
That's it, certainly I can grep through that output, thanks!


Would be great if Xen registered some "holders" in /sys/block for a 
device it uses - like LVM or RAID does in /sys/block/<device>/holders/
--
Tomasz Chmielewski
http://wpkg.org

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