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Logs that can be deleted

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Bruno Vilardo
Regular Advisor

Logs that can be deleted

Hello all,

What log files can i delete ?
When i delete them , are going to be created again ?
I am asking it because i need to free up some space.

Thanks

Bruno
11 REPLIES
Ravi_8
Honored Contributor
Solution

Re: Logs that can be deleted

Hi

/var/adm/syslog.dated keep the recent log file. you can remove remainings.

you can also remove /var/adm/patch/log files
never give up
Joris Denayer
Respected Contributor

Re: Logs that can be deleted

You can also give following command to archive the current errorlog file.

# kill -USR1 `cat /var/run/binlogd.pid`

See also # man binlogd
To err is human, but to really faul things up requires a computer
Bruno Vilardo
Regular Advisor

Re: Logs that can be deleted

Hi Ravi

in the directory /var/adm/syslog.dated i have others directory and show bellow :

drwxr-xr-x 2 root adm 8192 Mar 13 00:10 12-Mar-14:09
drwxr-xr-x 2 root adm 8192 Mar 14 00:10 13-Mar-14:09
drwxr-xr-x 2 root adm 8192 Mar 15 00:10 14-Mar-14:09
drwxr-xr-x 2 root adm 8192 Mar 16 00:10 15-Mar-14:09
drwxr-xr-x 2 root adm 8192 Mar 17 00:10 16-Mar-14:09
drwxr-xr-x 2 root adm 8192 Mar 18 00:10 17-Mar-14:09

and the current directory .

Should i delete these directories ive shown ?

Thanks a lot
BRuno
Johan Brusche
Honored Contributor

Re: Logs that can be deleted


Don't delete patchlog files, they are a very valuable troubleshooting tool for detecting patch installation problems.

Check for dumps in /var/adm/crash/vm*
and delete them (if the cause is known)
Recycle /var/adm/biinary.errlog regulary via the command "kill -USR1 "
and gzip the most recent old file, customer services migth need it.
If you have COLECT_AUTORUN=1, then check for old collect.cgz files in /var/adm/collect.dated.
/var/adm/messages can be quite big, you can put a new one in place with 'cp /dev/null /var/adm/messages'

Make sure that in root's crontab you have the line with "dirclean" and "find /var/adm/syslog.dated..." enabled.

JB.

_JB_
Bruno Vilardo
Regular Advisor

Re: Logs that can be deleted

Hi ,

I have these 2 files
-rw-r----- 1 root system 12581984 Aug 3 2002 vmunix.0
-rw-r----- 1 root system 16002048 Aug 3 2002 vmzcore.0
when i delete them , are they going to be created again ?

Thanks

Bruno
Johan Brusche
Honored Contributor

Re: Logs that can be deleted


Yes, you may delete them, since we can suppose that the cause of the panic 2 years ago has been corrected in the meanwhile.
Next time this system panics, you will find a vmunix.1 and a vmzcore.1 in that directory.
You may delete those too, after HP gave you a solution for that panic.

Johan.

_JB_
Michael Schulte zur Sur
Honored Contributor

Re: Logs that can be deleted

Hi Bruno,

-rw-r----- 1 root system 12581984 Aug 3 2002 vmunix.0
-rw-r----- 1 root system 16002048 Aug 3 2002 vmzcore.0
when i delete them , are they going to be created again ?

yes, after the next crash, if the machine manages to write a dump. ;-)

Unless one of the directories is huge, you can leave /var/adm/syslog.dated in peace
this is being taken care or by root crontab. It keeps a number of days stuff older than that is deleted.

Interesting are the crash*data files in /var/adm/crash. The rest you can delete. You need them only for crash dump research.

greetings,

Michael
Bruno Vilardo
Regular Advisor

Re: Logs that can be deleted

Well i don´t if HP gave us the solution.
I am in this machine for 2 months and i don´t have this information.
BUt the system is running well .

Now i have doubt to delete or not ...

But thanks a lot my friend .

Br
Michael Schulte zur Sur
Honored Contributor

Re: Logs that can be deleted

Hi,

usually you find big files in /var/adm
like messages, wtmp, utmp.
sometimes the Xerror will get big as sell.
Since you will have the machine only two months, I won't put too much work into it.

Michael
Bruno Vilardo
Regular Advisor

Re: Logs that can be deleted

Yes i know Michael .

We have Production and Test Database running on it .

Pretty though man.

But thanks a lot my friend ..

Bruno
Mohamed K Ahmed
Trusted Contributor

Re: Logs that can be deleted

Bruno,
You can also get some files smaller, like the /var/adm/messages file that you can edit and delete old information out of it.
Also /var/adm/wtmp, you can do the same thing as the messages file but it has certain procedure (look at man fwtmp at the end it gives you info how to do it)
Also if you have files like /vmunix.old, /vmunix.Pre*, actually you only need 2 files vmunix and genvmunix

HTH

Mohamed