var Filesystem Full Help

[Sean Murphy]

Sean Murphy wrote:
> I am getting these errors on my var filesystem but df -h shows there 
> is plenty of space available.
>
> I am running FreeBSD 5.4
>
> muse2# df -h
> Filesystem       Size    Used   Avail Capacity  Mounted on
> /dev/amrd0s1a    989M     56M    854M     6%    /
> devfs            1.0K    1.0K      0B   100%    /dev
> /dev/amrd0s1e    989M     32M    878M     4%    /tmp
> /dev/amrd0s1f    9.5G    4.2G    4.6G    48%    /usr
> /dev/amrd0s1g    245G    9.4G    216G     4%    /usr/home
> /dev/amrd0s1d    1.9G    526M    1.3G    29%    /var
>
> muse2# tail /var/log/messages
> Apr  3 09:00:44 muse2 kernel: pid 537 (mimedefang), uid 26 inumber 
> 126291 on /var: filesystem full
> Apr  3 09:09:55 muse2 kernel: pid 52000 (httpd), uid 80 inumber 170037 
> on /var: filesystem full
> Apr  3 09:12:59 muse2 kernel: pid 34758 (mimedefang), uid 26 inumber 
> 127701 on /var: filesystem full
>
> I have restarted the mimdefang process but I get the same messages.
>
> What can I do?
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> Purge some old log files to start with. However according to your df 
> above you should have plenty of room
I have deleted logs and lost+found but the same messages still show up.

> Check df -i as you may have run out of inodes rather than out of file 
> space.

Looks as though I have plenty of inodes

muse2# df -i
Filesystem    1K-blocks    Used     Avail Capacity iused    ifree 
%iused  Mounted on
/dev/amrd0s1a   1012974   57694    874244     6%    1520   139790    1%   /
devfs                 1       1         0   100%       0        0  
100%   /dev
/dev/amrd0s1e   1012974   33192    898746     4%   11141   130169    
8%   /tmp
/dev/amrd0s1f   9938894 4368142   4775642    48%  279371  1015987   
22%   /usr
/dev/amrd0s1g 257098734 9794488 226736348     4%  113153 33118717    
0%   /usr/home
/dev/amrd0s1d   2026030  510498   1353450    27%     866   281756    
0%   /var
muse2#

> Have you rebooted since the
> problem showed up?
I have not rebooted yet


can I fun fsck on a live filesystem or do I have to drop into single 
usermode?