Subject: Re: A question about /etc/mtab (and partitioning)
From: Riccardo Gusso (grick@libero.it, grick@mac.com)
Date: Mon Sep 04 2000 - 17:53:23 MDT
Il 4-09-2000 22:02 Kurt Welgehausen da kaw@AbacusRT.com scrisse:
>Rick,
>
>You should NEVER edit /etc/mtab. The correct file is /etc/fstab.
>
>You don't want to mount your new partition directly on /home
>because then all the data in /home would be inaccessible. Here's
>what you have to do (as root):
>
>If it doesn't exist already, use mkdir to create a directory
>called /mnt. If something, such as a cd-rom, is already mounted
>on /mnt, unmount it or choose a different name, such as /mnt2.
>Now you can mount your new partition on /mnt (mount -t ext2
>/dev/hda6 /mnt). If you didn't format hda6 when you created it,
>you should format it before you mount it (mke2fs -c /dev/hda6).
>
>Now cd to /home, and run this command: find | cpio -pdm /mnt.
>This copies all the data in the /home directory tree to /mnt.
>(To find out how it works, run find | less, and read the man page
>for cpio.)
>
>When you're sure that all the data have been copied correctly to
>/mnt (hda6), you can delete everything in the old /home tree by
>running rm -r /home/*. This will release the disk space on hda7
>(root partition).
>
>Now you can add the new partition to /etc/fstab. The correct
>line is '/dev/hda6 /home ext2 defaults 1 2'. Be sure that this
>line is somewhere after the line that mounts the root partition;
>you can just add it to the end of /etc/fstab. Now when you
>re-boot, /dev/hda6 should be mounted automatically on /home.
>
>After you've done this, you cannot move anything from /usr, or
>from any other directory on the root partition, to the new
>partition because the paths would be wrong. The new partition
>begins at /home, so if you moved /usr/lib to the new partition,
>the new path would be /home/usr/lib, and nothing would work.
>
>If your /home directory tree is not very big, it might be better
>to move /usr/lib or /usr/share (in stead of /home) to hda6. You
>can see how much space a directory tree is using with du, e.g.,
>du -sm /usr/lib. Just substitute '/usr/lib' or '/usr/share' for
>'/home' in the procedure above.
>
>Before you do any of this you should read the man pages for all
>the commands and be sure you understand what they do and that the
>options are correct.
>
>Good luck.
Thanks a lot for your suggestions. I' ve decided then to mount the new
partition as /usr/src; everything is working correctly.
Thanks again.
Bye.
Rick
"This is the crisis I knew had to come
destroying the balance I had kept
turning around to the next set of lives
wondering what will come next."
Joy Division, "Passover"
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