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@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? Try gzip?
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