[CentOS] resize an image file
garrick at usc.edu
Wed Nov 21 18:23:43 UTC 2007
On Wed, Nov 21, 2007 at 01:26:49PM -0500, Jerry Geis alleged:
> I have a 100G disk on an old redhat 7.3 system.
> Filesystem Size Used Avail Use% Mounted on
> /dev/hda1 9.6G 2.4G 6.7G 27% /
> /dev/hda3 99G 6.1G 88G 7% /home
> hda2 is 2G swap
> I am trying to back that complete image up on my centos 5 system.
> I can do the dd if=/dev/hda bs=1M | ssh root at machine 'cat > disk.img'
> which gets me the whole 100G.
> As you can see most of the disk is unused.
> Is there a way to trim the resulting image to only be 10G instead of 100G?
Other than using actual backup utilities?
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