James Long wrote:
Date: Sat, 16 Dec 2006 23:31:58 -0800
From: Bradley Giesbrecht <[EMAIL PROTECTED]>
Subject: var out of space
To: freebsd-questions@freebsd.org
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed
Hello,
I inherited a freebsd installation with a var slice/mount that is to
small and filling up all the time.
What type of info should I provide to allow someone to help me with a
solution?
I would very much prefer to not install another drive just for /var.
/usr has plenty of space. Can I mount var off of /usr?
Here is a slightly simpler solution than what Anders proposed that
may work for you.
Find out which sub-directories of /var are the disk space consumers:
du -d1 /var | sort -rn | head
That will list the top ten. This method assumes you have only one
or two large directories, and that moving them would yield
a substantial reduction in /var disk space usage.
Let's assume that /var/log and /var/db are the top two directories.
Shutdown to single-user mode. Stop any daemons like syslog, sendmail,
etc. that might write to /var/log or /var/db, since you will be working
with those two directories.
cd into /var and move the log sub-directory onto the /usr mount point,
and then create a symlink to make /var/log redirect to the new location
on /usr:
cd /var
mv log /usr/var-log
ln -s /usr/var-log log
Repeat for /var/db:
mv db /usr/var-db
ln -s /usr/var-db db
Reboot.
This procedure eliminates the need to mess with your disklabel or your
fstab.
BTW, it looks like your / partition is a bit crowded, also. :)
Jim
Depends on what your cluster size is too for the slice. I created a 3.9
GB partition for /usr recently with 16kB clusters (not thinking), and
installed ports-which ate up almost all the free space. After I started
installing stuff I ran out of space.
Solution (in my case):
-Delete files (otherwise tunefs has no effect).
-Reboot into single-user mode.
-Run tunefs on slice setting the average filesize (-f flag) to something
a lot lower.
-Boot into multiuser mode.
Voila! Problem fixed.
In your case though, you may want to just backup and redo the system if
stuff fills up far too quickly, or look into circular buffer logging
with syslog. I don't remember how to accomplish it but it has been done.
-Garrett
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