-----Original Message-----
From: Dan Nelson [mailto:dnelson@xxxxxxxxxxxxxxx]
Sent: Wednesday, February 22, 2012 12:33 PM
To: Joe Moore
Cc: freebsd-questions@xxxxxxxxxxx
Subject: Re: How much space do I need on "/" for a 7.4 to 8 stable upgrade?

In the last episode (Feb 22), Joe Moore said:
> I need to upgrade a server from 7.4 stable to 8.x stable.
>
> I running buildworld as I write this, and plan to build a GENERIC kernel.
>
> The root disk partition is 248 MB which was probably the auto default
> size when the server was originally built. I remember having to do
> some scrambling during the last update to free up enough space for a
> new kernel and I really don't want that to happen again.
>
> I have 65MB of free space on "/". Is that going to be enough? I've
> already moved tftpboot to /usr, cleaned out /root, /boot/kernel.old, and /tmp.

I did a 5.5 -> 8.1 upgrade (no intermediate installs!) on a system with a 256MB
root a few years ago and didn't have any problems. As Adam said, get rid of
any /boot/*/*.symbol files. With symbols, a kernel directory could be 50-70
MB, but without, you're looking at only 5-15 MB. My root is only 90MB used, so
there should be quite a bit of space you should be able to free up still. Try
deleting web browser cache dirs or ccache trees in ~root.

> What else could I clean out if I need more space? I'm thinking some
> executables in /rescue. "ls -l" shows most of them being 4MB each but
> that can't be right.

All the files in /rescue is hardlinked to each other, so they only consume 4MB
total.

--
Dan Nelson
dnelson@xxxxxxxxxxxxxxx



I deleted /boot/kernel/*symbols and that freed up another 90+ MB.

I've got 159MB free so I'm good to go.

Thanks to all responders!

...jgm


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