runmd wrote:
I would like to know if it is possible to resizing Xen para-virtualized
guest partition. For example,
I created a para-virtualized guest as 10GB. Later down the road I would
like to grow it to 20GB. Can I do this with it being just a file on Dom0.
The only possible solution I can think of is creating a new domU as 20GB
and
then doing a dd command and copying one virutal disk to another. But I
would like to just grow the guest, if possible.
Ignoring LVM (which might make things different), you can enlarge the
underlying file with a careful incantation of dd. Practice elsewhere
first, and/or back it up.
Something like this, but do read the docs:
dd of=whatsit skip=<biggernumber> count=0
Then do whatever you do to fix a real disk after using dd to copy disk
to bigger disk.
btw You can create sparse files in the first place:
dd if=/dev/zero of=/tmp/ext-fs seek=$((4*1024*1024)) count=0
mke2fs -F -q /tmp/ext-fs
then
ls -Slosh /tmp/ext-fs
--
Cheers
John
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