Easier way.
1. Add the new disk, partition it however you want. 2 partitions, one for /home, one for /tmp. Make the filesystems.
2. As root, cp -Rp things over. Best to have as little activity as possible. That is, not running X, not getting e-mail.
3. Make a backup copy of /etc/fstab and then edit the new one to point to the new /dev/hdb/??.
4. Re-boot. If something is amiss you have the old ones to recover to. If, after a week or so you've not needed them you can resue the space.
ciao!
leam
On Tue, Oct 11, 2005 at 10:45:50PM -0500, Mike McCarty wrote:
> I've been considering how one could put /tmp and /home on another
> disc from that containing /etc and other areas necessary for
> boot.
>
> I've thought about possibly adding a disc, and putting a file system
> on it. Then emptying out /home, and mounting the new file
> system to /home. On the new file system, I'd also have a directory
> which would be, after the mount, /home/tmp. Then make /tmp be a
> soft link to this directory.
>
> Would this work? Or is there some dependency on /tmp actually being
> present before auto mounts take place?
>
> The steps would be:
>
> Boot some rescue disc.
>
> Add new disc, and partition as one big piece.
>
> Make an ext3 file system.
>
> Mount the new fs to /mnt/tmp (or sth.)
>
> Copy all files recursively from /home to /mnt/tmp,
> preserving permissions, owners, and dates (prolly
> a tar/untar or cpio operation).
>
> Delete /home/* recursively.
>
> Unmount the new fs.
>
> Mount the new fs at /home.
>
> Update /etc/fstab.
>
> Create /home/tmp.
>
> Delete /tmp.
>
> Make a soft link /tmp->/home/tmp
>
> Reboot from hard disc.
>
> Mike
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