On Mon, Nov 3, 2008 at 10:50 PM, Harold A. Giménez Ch.
> Hi group,
> I'm sure this has been discussed numerous times, but I would like some
> pointers on troubleshooting the resizing of a DomU built on an image file
> (not LVM).
> To add another 20GB, I tried running the following, as root:
> dd if=/dev/zero bs=1M count=20480 >> img_file.img
> 20480+0 records in
> 20480+0 records out
> 21474836480 bytes (21 GB) copied, 1578.68 s, 13.6 MB/s
> /sbin/resize2fs img_file.img
> resize2fs 1.40.4 (31-Dec-2007)
> /sbin/resize2fs: Bad magic number in super-block while trying to open
> Couldn't find valid filesystem superblock.
> Also, this command fails:
> /sbin/e2fsck -f img_file.img
> I have several DomUs running and are very stable. However, the e2fsck fails
> on all of them. What am I doing wrong?