Re: [Xen-users] Resizing file-based images

["john maclean" <jayeola@xxxxxxxxx>]

Ah,
Thanks for this. I've only been sticking to file-based images as this
is the only method that I can get working relatively quickly from a
clean install.

OK check this out:-
df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/hda3             9.2G  3.3G  5.5G  37% /
tmpfs                 502M     0  502M   0% /lib/init/rw
udev                   10M   44K   10M   1% /dev
tmpfs                 502M     0  502M   0% /dev/shm
/dev/hda1              92M   31M   56M  36% /boot
/dev/hda5              28G   18G  9.0G  66% /home
/dev/hda6              72G   26G   42G  39% /vz # << Used for file-based domUs

If I had /dev/hda6 as LVM,
a) Do I have something like :disk = [ 'phy:/vz/alpha/bxvm.img,sda1,w',
'phy:/vz/alpha/bxvm.swap,sda2,w']?

I've never been able to get the LVM'ed instances going :-/

Thanks alot for your time!


On 03/06/07, Tim Post <tim.post@xxxxxxxxxxx> wrote:
> On Sun, 2007-06-03 at 02:34 +0000, john maclean wrote:
> > Used the principles from here http://jailtime.org/howto:filesystem to
> > resize some file-based domUs. Everything's Ok but I've rebooted to a
> > new kernel and notice that `ls -alh /path/to/images` still shows the
> > original sizes of the domUs.
>
> When you use a file backed BD (especially as a sparse file) it will
> always claim the original size unless of course it becomes bigger. This
> does not mean that its the size LS is reporting it to be.
>
> Try looking at the output of 'du -h' noticing the partition containing
> the file backed BD's then compare it with the output of ls.
>
> I really recommend using LVM over file backed block devices unless your
> in a position where you just can't use LVM.
>
> >
> > What gives?
> >
>
> You are user 1,798,782,947,153,827,301 to be confused by this. Reality
> has not changed, your computer has not developed a drug habit, this is
> not a dream.
>
> Best,
> --Tim
--
John Maclean  - 07739 171 531
MSc (DIC)

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