Gentoo Archives: gentoo-user

From: Daniel Pielmeier <daniel.pielmeier@××××××××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Migrating a system
Date: Tue, 02 Oct 2007 21:54:06
Message-Id: 4702BA87.80204@googlemail.com
In Reply to: [gentoo-user] Migrating a system by Randy Barlow
1 Randy Barlow schrieb:
2 > So I was an idiot when I set up my system and didn't use LVM. Now that
3 > I'm out of disk space on one of my drives and kicking myself, I want to
4 > do it without doing a reinstall. If I use tar -cvjpf
5 > oldSystemThatShouldStillWorkWhenUnTarred.tar.bz2 /, then setup LVM, then
6 > tar all that junk back to the new system via tar -xvpf
7 > oldSystemThatShouldStillWorkWhenUnTarred.tar.bz2 with / as my working
8 > directory, should that do the trick (with, of course, another go at
9 > grub-install)? Is the -p flag to tar enough to store ALL the necessary
10 > file system information? I just want to make sure I'm not forgetting
11 > anything...
12 >
13 > P.S. And I'll have to build LVM support into the kernel too...
14 >
15 > R
16
17 >From time to time i backup my complete system to avoid a reinstall after
18 failures. I used something like this and it worked for me (tested it
19 after a hard drive crash)!
20
21 tar --atime-preserve --same-owner --numeric-owner -Spvcjf back.tar.bz2 /
22
23 Maybe some flags are not necessary but --same owner would be a good
24 option to preserve the user and group permissions of the files too, as i
25 don't know if -p already covers this.
26
27 Also take care to mount all partitions you want to backup!
28
29 I don't know about lvm as i did not use a logical-volume-manager this
30 time and now i use lvm within evms.
31 --
32 gentoo-user@g.o mailing list

Replies

Subject Author
Re: [gentoo-user] Migrating a system Randy Barlow <randy@×××××××××××××××××.com>