On Tue, Oct 26, 2010 at 5:22 PM, <[email protected]> wrote: > [Sorry for the top post, I'm on my blackberry...] > It's sparse files being expanded. When using tar for making backups, you > should use "--sparse" or "-S". > > > ------Original Message------ > From: xinglp > Sender: [email protected] > To: [email protected] > ReplyTo: LFS Support List > Subject: lfs backup, but size changed. > Sent: Oct 26, 2010 11:31 > > When I finished the lfs build, install some extra software, do some config. > > I use "tar -jcf ../lfs-someday.tar.bz2 *" to backup it. and then > restore it to another part by "tar -xf ../lfs-someday.tar.bz2 > ../somewhere". > > Then I use df to check the size of them. The restored lfs is bigger > than where it backup from, about 30MB. > > But when use "cp -a" copy it to new place, they are the same size. > > Where is my wrong? > -- > http://linuxfromscratch.org/mailman/listinfo/lfs-support > FAQ: http://www.linuxfromscratch.org/lfs/faq.html > Unsubscribe: See the above information page > > > Sent on the TELUS Mobility network with BlackBerry > -- > http://linuxfromscratch.org/mailman/listinfo/lfs-support > FAQ: http://www.linuxfromscratch.org/lfs/faq.html > Unsubscribe: See the above information page > Try this: du -s -B1 --apparent-size sparse-file
versus du -s -B1 sparse-file (you'll run these with your pwd IN the filesystem.) -- http://linuxfromscratch.org/mailman/listinfo/lfs-support FAQ: http://www.linuxfromscratch.org/lfs/faq.html Unsubscribe: See the above information page
