[Fedora-xen] newbie question to increase the size of "guest OS"...

[Friedrich Clausen]

If you are not using LVM you might be better off creating a brand new image
> 7G and then copying the files from the existing image into the new image.
The, once that is complete, simply boot into the new, larger image. I am not
sure how to otherwise increase an image based installations storage space
unless you are using LVM (which you said you are not).

Cheers,

Fred.

On Fri, Mar 21, 2008 at 7:10 AM, Dharmesh Kamdar <kamdard71 at yahoo.com>
wrote:

> Hi,
> I tried the steps described in the link u sent me..
> but at the end I am getting the following error:
>
> $>lvextend -L+3G /dev/VolGroup00/LogVol00
>  Extending logical volume LogVol00 to 10.03 GN
>  device-mapper: reload ioctl failed: Invalid argument
>  Failed to suspend LogVol00
>
> My Fedora-8 guest is running following:
> kernel -->2.6.21-2950.fc8xen
> Device-Mapper--> device-mapper-multipath-0.4.7-11.fc7
> device-mapper-libs-1.02.22-1.fc8
> device-mapper-1.02.22-1.fc8
>
> LVM-->lvm2-2.02.28-1.fc8
>
> The last few lines of /var/log/messages (after
> attempting to "lvextend" the logical volume), as
> follows:
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++
> [root at localhost ~]# tail -f /var/log/messages
> Mar 20 22:49:12 localhost dhclient: bound to
> 192.168.122.199 -- renewal in 1373 seconds.
> Mar 20 22:52:04 localhost kernel: device-mapper:
> table: device 202:2 too small for target
> Mar 20 22:52:04 localhost kernel: device-mapper:
> table: 253:0: linear: dm-linear: Device lookup failed
> Mar 20 22:52:04 localhost kernel: device-mapper:
> ioctl: error adding target to table
> Mar 20 22:53:18 localhost kernel: device-mapper:
> table: device 202:2 too small for target
> Mar 20 22:53:18 localhost kernel: device-mapper:
> table: 253:0: linear: dm-linear: Device lookup failed
> Mar 20 22:53:18 localhost kernel: device-mapper:
> ioctl: error adding target to table
> Mar 20 23:07:52 localhost kernel: device-mapper:
> table: device 202:2 too small for target
> Mar 20 23:07:52 localhost kernel: device-mapper:
> table: 253:0: linear: dm-linear: Device lookup failed
> Mar 20 23:07:52 localhost kernel: device-mapper:
> ioctl: error adding target to table
> +++++++++++++++++++++++++++++++++++++++++++++++++++
>
> Will appreciate any further feedback.
>
> Thanks,
> kamdard.
>
> I googled on "reload ioctl failed: Invalid
> argument",found a few hits describing this to be a
> possibly kernel or DM bug.
>
> --- Todd Deshane <deshantm at gmail.com> wrote:
>
> > On Thu, Mar 20, 2008 at 10:31 PM, Dharmesh Kamdar
> > <kamdard71 at yahoo.com>
> > wrote:
> >
> > > Hi,
> > >
> > > I've installed Fedora 8 as a guest OS on
> > Fedora-7+XEN.
> > > The host info:
> > > $> uname -a
> > > Linux hojo 2.6.21-7.fc7xen #1 SMP Tue Feb 12
> > 12:32:24
> > > EST 2008 i686 athlon i386 GNU/Linux
> > >
> > > CPU: mobile AMD Athlon(tm) XP-M 1400+
> > > RAM: 1GB
> > > ARCHITECTURE: x86 (32 bit)
> > >
> > > While creating the guest, I specified the storage
> > as
> > > /var/lib/xen/images/f8_xen.img (of about 7 GB).
> > >
> > > Unfortunately the guest OS is running out of
> > storage
> > > space and I want to add more storage to it (file
> > > system based, no LVM or partition etc).
> > >
> > > I did manage to increase the size of the image
> > file
> > > via "dd" with dd as follows:
> > >
> > > dd if=/dev/zero of=/var/lib/xen/images/F8_XEN.img
> > > bs=2M seek=4096 conv=notrunc count=2048
> > > 2048+0 records in
> > > 2048+0 records out
> > > 4294967296 bytes (4.3 GB) copied, 124.617 s, 34.5
> > MB/s
> > > [root at hojo images]#
> > > [root at hojo images]# ls -ltr
> > > total 12398420
> > > -rwxr-xr-x 1 root root 12884901888 2008-03-20
> > 19:30
> > > F8_XEN.img
> > > [root at hojo images]#
> > >
> > > Now, I want to add some more storage space to  the
> > > guest OS.
> > >
> > > So how do I do it ?
> > >
> > > Will appreciate if someone can provide some
> > pointers.
> > >
> >
> > http://xen.markmail.org/search/?q=resize+disk
> >
> >
> > >
> > > Thanks,
> > > kamdard.
> > >
> > >
> > >
> > >
> >
>
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