-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On 09/30/2013 06:22 AM, Neil Bothwick wrote: > On Mon, 30 Sep 2013 12:01:27 +0200, Hinnerk van Bruinehsen wrote: > >>> mount /usr -o remount,ro mkdir /newusr rsync -a /usr/ /new/usr/ Comment out >>> /usr line in >>> /etc/fstab mv /usr /oldusr mv /newusr /usr reboot rmdir /oldusr >>> >>> What you do with the old partition is up to you. In this case the >>> discussion was about /usr >>> on LVM, so you just delete it and allocate the space elsewhere when needed. > >> You can even leave out the step of creating a new directory and moving it >> later if you >> bind-mount you rootfs somewhere, e.g. /mnt/gentoo. > > Good point. > >> You may want to add some parameters to the call to rsync, though (e.g. those >> that preserve >> permissions, xattrs (especially for SELinux or XT-PaX) and owner/group >> (should be -pogX), > > -a covers most if not all of those. > >> possibly -x aswell (if you have other filesystems under /usr (e.g. a >> discrete FS for the >> portage tree). > > Another good point, one of those things you think of immediately after > hitting Send :( > >
Specifically, I would use -axAHX (-rlptgoD are implied by -a, but -HAX are not). - From rsync(1): - -a archive mode; equals -rlptgoD (no -H,-A,-X) - -r recurse into directories - -l copy symlinks as symlinks - -p preserve permissions - -t preserve modification times - -g preserve group - -o preserve owner - -D preserve device files and special files - -H preserve hard links - -A preserve ACLs (implies -p) - -X preserve extended attributes - -x don't cross filesystem boundaries - -- Jonathan Callen -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.21 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCgAGBQJSTKwvAAoJELHSF2kinlg4w5kP+wXTGhMSgTFReacg44Ryn8bu bSvq3qZURGbGu5s8Q/Ejg42sZ/0fXdfDD57ZhSpVRWMZ/KZIETZAD2oCkktjr6Vj OELOhz5Pm+UswC201nl6K39PYMijdI+4Mho6QQVoMixa1NI5ZBF7pLBRi+RtJzOx ilEBPmMqE9jt1hdiHnvucq6YEOSANsLRz5rhqnae9BJurrgAMCBOtxvATZiP5YwD 6P8OyNy0UeKdYYrvzjmAjY9cmZ78r6rIekF1eDchGklIJfuj/mlwG8r0JlusSc34 q7OK4YHdDeNBbMESpuJjeZAYfUycUk90Ag5g+8vx9UqxxJj6FxeeVt3oaPi7sLgj j4HXS2d5FcH9ItO5SToWIccZHp+C0/3w1S7DOT0pNe1SaOMOwSBDpZTtLhseW1C8 VVr+G4wGrhQmmBXSePa8ICWJ7Xr8NM16km/h8JrHjtvUisV4AtOuQ0mzv0FGmjVG cgcDqtAjBD00YjVQPQ5VSxb8ZGBjFecMBPhZk2Q1Ea2uUTpb8RdeH0ZvVMXg8N0u g+otGVC56PecjLReYCWnHuM18+f5tKdTvUo+u0GG6epoe2icNi5BPjC9oQjLI6nd hdhfrAKzje5T0vAUZNMO6uYcuSL4zmB/T53Dkl1aIem5kV2I9SVt0ku3WsSCywD+ bNu/HzR0SlB4FyFvEEJl =ef8P -----END PGP SIGNATURE-----
