[linux-lvm] lvm'ing root fs

[Patrick Boutilier]

I've used rsync to move a whole / filesystem.

rsync -avr --exclude-from=FILE /mnt_root_vg/* /.

Put anything you want excluded in the "FILE" file.

"Shaw, Marco" wrote:

> I've created an init ramdisk (lvmcreate_initrd), and now I'm in the process
> of trying to copy my root fs to my new lvm_root.  To reduce the disk I/O,
> I've gone down to single user mode to try to copy (cp -a *) all my files
> from root to lvm_root.  Twice I get the same results:
>
> # cd /
> # cp -a * /mnt/root_vg
> cp: /mnt/root_vg/proc/kcore_elf: Invalid argument
> cp: proc/sys/net/ipv4/route/flush: Invalid argument
>
> This is all I see on my screen, then at some point, the copying stops, and
> my system will not respond to keyboard input, except it will respond to
> Alt-F1/4 to switch virtual terms, but still no keyboard input accepted.
>
> Should I tar/untar instead, or did I miss some fundamental step?
>
> Thanks,
> Marco