/var Full ?

Loren M. Lang lorenl at alzatex.com
Sat Jan 29 16:44:14 PST 2005

On Sat, Jan 29, 2005 at 05:48:26PM -0500, GRF . wrote:
>   I am running FBSD 5.2.1 and my /var partition is giving me cannot write 
> to disk errors, disk is full.  I cleared out what I could and got it down 
> to about 98% but I have some strange findings which I will show below.
> [/var]> df -h
> Filesystem    Size   Used  Avail Capacity  Mounted on
> /dev/ad0s1a   248M    55M   173M    24%    /
> devfs         1.0K   1.0K     0B   100%    /dev
> /dev/ad0s1e   248M    38K   228M     0%    /tmp
> /dev/ad0s1f    70G    53G    11G    83%    /usr
> /dev/ad0s1d   248M   223M   4.5M    98%    /var
> #cd /var
> # du -hd1
> 2.0K    ./account
> 6.0K    ./at
> 16K    ./backups
> 4.0K    ./crash
> 390K    ./cron
> 5.8M    ./db
> 2.0K    ./empty
> 2.0K    ./heimdal
> 508K    ./log
> 1.9M    ./mail
> 4.0K    ./msgs
> 2.0K    ./preserve
> 40K    ./run
> 2.0K    ./rwho
> 66K    ./spool
> 1.3M    ./tmp
> 20K    ./yp
> 2.0K    ./games
> 1.0M    ./ftp
> 394K    ./usermin
> 2.0K    ./.snap
> 11M    .
> Now how can /var be 11Meg and also fill up 98% or 223 Meg at the same time? 
> What is eating up my partition space?  Uptime is 149 days and I suppose I'm 
> due for a reboot but I have others with processes going on the box and I 
> hate to reboot.

Why are you due for a reboot?  I'd at least aim for 200+ days, and then
probably more.

Files that are deleted in UNIX but still held open by a process will
take up all their space still, but not show up in du since they've been
deleted from the filesystem.  Once the process closes the file or exits
the space will be deleted.  If you can figure out which process it is,
then try killing the process.

sysutils/lsof is a great utility for telling you about deleted files and
how much space they take up.

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I sense much NT in you.
NT leads to Bluescreen.
Bluescreen leads to downtime.
Downtime leads to suffering.
NT is the path to the darkside.
Powerful Unix is.

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