RE: [Xen-users] Handling virtual disks on Xen

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> On 07/07/2008 21:18, Augusto Alvarez wrote:
> 
> > *Is there any way to increase/decrease a guest machine disk after
the OS
> > is installed? Can I have a dynamically expanding disk when I create
a
> > virtual machine?*
> 
> if you use LVM, you can create an LV for each "disk" you want a domU
to
> have, you can then expand the LV and then expand the filesystem iside
it
> (or reduce the filesystem, then reduce the LV)
> 
> Unfortunately the last time I checked xen doesn't report the changed
LV
> size "live" to the domU, so you'll need a reboot of the domU.
> 

Even if it did, can Linux handle it anyway? I added a disk to a RAID
array recently and while I could use fdisk to add a new partition, I had
to reboot before Linux could use it.

James

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