/usr/portage to it's own partition and reiserfs?

[Godsmacker777]

I'm considering setting up /usr/portage on it's own reiserfs partition.

My gentoo desktop is a fairly new install, less than a week. Though I have emerged quite a lot of stuff. I'm worried that fragmentation might pose a problem in resizing a partition and creating the new reiserfs partition in the empty space.

Any ideas on how I should go about this? Is reiserfs a good choice for this? I have no experience with this type of partition.

Some seemingly important stuff:

current partition scheme across 80gb
~5gb ntfs windows install partition
/boot ext2
1gb swap
~12gb /root ext3
~48gb /home ext3
rest is ntfs programs partition

Any recomendations on which partition to resize, and how much space to give /usr/portage?

[Minox]

I've set up a nfs share with 2GB for portage.
It should be no problem to create a partition (ext3,reiserfs) for /usr/portage.
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[Cosmin]

Well, I have the whole /usr on a separate partition. Also /usr/portage/distfiles is on a separate partition. That way I can control easily how much "stuff" I can keep in it. From time to time I do 'df' and see (quickly) how full it is. More that just that, I usually mount /usr/portage/distfiles as read-only. I was stupid enough to wipe it...twice When emerge needs to download something, I remount it explicitly as rw.
My /usr has 10 GB and is about 65% full, /usr/portage/distfiles (separate partition) has 30 GB and is about 80% full (I am on dial-up, so my heart trembles everytime I delete something in there).
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