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/tmp filesystem full

 
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# 1  
Old 07-15-2005
/tmp filesystem full
I am running AIX 3 4.

When I do a df I get:

Code:
Filesystem    512-blocks      Free %Used    Iused %Iused Mounted on
/dev/hd4           32768     10232    69%     1309    16% /
/dev/hd2          917504     86360    91%    19744    18% /usr
/dev/hd9var       131072     67712   49%      617     4% /var
/dev/hd3           65536         0      100%       72     1% /tmp
/dev/lv00         196608     35064     83%      899     4% /usr/welcome
/dev/lv02          32768     20568      38%      580     4% /usr/ob
/dev/lv01        1441792    656008    55%     4127     1% /home
/dev/lv04         425984    294376     31%     1319     1% /apps
/dev/lv03        1605632    238520    86%     1187     1% /u1
/dev/lv05         425984    272424     37%     9315     9% /u2
/dev/lv06        2031616   1188840    42%      751     1% /wk

This shows the /tmp is 100% used. I have looked in every /tmp directory I can find (by using 'find') and there are no big files filling up the space. How do I find the files that are filling up the space? I have already deleted all the 'core' and smit.log files. This happened a week ago and I cannot free up the space. Can anyone please help?

Thanks!

Steve
# 2  
Old 07-15-2005
Code:
cd /tmp
du -sk * | sort -nr | more

This will give you a full listing of directories/files in /tmp, in the order of the space they occupy. Then you can check out the individual files/directories and purge.
# 3  
Old 07-15-2005
The only files I can find of any size are in the /tmp/vgdata/rootvg:

Code:
# cd vgdata
# ls
rootvg
# ls -l rootvg
total 112
-rw-r--r--   1 root     sys          336 Jul 08 23:32 hd2.map
-rw-r--r--   1 root     sys           24 Jul 08 23:32 hd3.map
-rw-r--r--   1 root     sys           12 Jul 08 23:32 hd4.map
-rw-r--r--   1 root     sys           12 Jul 08 23:31 hd5.map
-rw-r--r--   1 root     sys          144 Jul 08 23:31 hd6.map
-rw-r--r--   1 root     sys           12 Jul 08 23:31 hd8.map
-rw-r--r--   1 root     sys           48 Jul 08 23:32 hd9var.map
-rw-r--r--   1 root     sys           72 Jul 08 23:32 lv00.map
-rw-r--r--   1 root     sys          528 Jul 08 23:32 lv01.map
-rw-r--r--   1 root     sys           12 Jul 08 23:32 lv02.map
-rw-r--r--   1 root     sys          588 Jul 08 23:32 lv03.map
-rw-r--r--   1 root     sys          156 Jul 08 23:32 lv04.map
-rw-r--r--   1 root     sys          156 Jul 08 23:33 lv05.map
-rw-r--r--   1 root     sys          744 Jul 08 23:33 lv06.map

I'm not familier with .map files - can I safely delete these?

Steve
# 4  
Old 07-15-2005
You need to use a program like fuser or lsof on /tmp. Files do not always have names. If a process has a file open, the space will not be released just because you unlink the only file name it has.
# 5  
Old 07-15-2005
Yes, it is possible that a process is stuck in a loop and writing continuously to a log or a debug file. Can you check 'top' and see if any process is taking up an unusual amount of CPU %age?
# 6  
Old 07-16-2005
There doesn't seem to be a 'top' command on this system.

Steve
# 7  
Old 07-16-2005
Well, use whatever tools AIX has to see processes. If this has been going on for a week, the process will be that old. Can you reboot? That will free the space.
 
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