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Drive Warning: /dev/sda3 (/var) is 82% full !!!

Discussion in 'General Discussion' started by bgqs, May 4, 2009.

  1. bgqs

    bgqs Member

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    Hi,

    /var is 82% full on my server. The majority of this space is being taken by the /tmp directory.

    One question, am I okay to delete the contents of the /tmp directory without affecting any of the server's processes etc?
     
  2. bgqs

    bgqs Member

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    More research:

    df -h

    Code:
    Filesystem            Size  Used Avail Use% Mounted on
    /dev/sda6             2.0G  242M  1.7G  13% /
    /dev/sda1              99M   12M   83M  12% /boot
    none                  504M     0  504M   0% /dev/shm
    /dev/sda8             130G  6.0G  118G   5% /home
    /dev/sda7             494M   11M  458M   3% /tmp
    /dev/sda2             9.9G  4.0G  5.4G  43% /usr
    /dev/sda3             2.5G  1.9G  424M  82% /var
    /tmp                  494M   11M  458M   3% /var/tmp
    du -h --max-depth=1 /var

    Code:
    8.0K    /var/local
    76M     /var/spool
    192K    /var/named
    772K    /var/run
    16K     /var/crash
    731K    /var/tmp
    24K     /var/empty
    8.0K    /var/preserve
    161M    /var/cpanel
    28K     /var/db
    8.0K    /var/opt
    684M    /var/lib
    84K     /var/profiles
    24K     /var/yp
    855M    /var/cache
    12K     /var/portsentry
    103M    /var/log
    1.2M    /var/www
    8.0K    /var/nis
    12K     /var/account
    36K     /var/lock
    16K     /var/lost+found
    1.9G    /var
    
    du -ah --max-depth=1 /var/cache

    Code:
    853M    /var/cache/yum
    16K     /var/cache/samba
    4.0K    /var/cache/mod_ssl
    4.0K    /var/cache/mod_proxy
    1.9M    /var/cache/man
    855M    /var/cache
    

    1st Problem is in Yum.


    du -ah --max-depth=1 /var/cache/yum

    Code:
    568K    /var/cache/yum/extras
    0       /var/cache/yum/.gpgkeyschecked.yum
    266M    /var/cache/yum/update
    40K     /var/cache/yum/addons
    587M    /var/cache/yum/base
    853M    /var/cache/yum
    
    du -ah --max-depth=1 /var/cache/yum

    Code:
    561M    /var/cache/yum/base/packages
    21M     /var/cache/yum/base/headers
    612K    /var/cache/yum/base/primary.xml.gz
    4.9M    /var/cache/yum/base/primary.xml.gz.sqlite
    0       /var/cache/yum/base/cachecookie
    4.0K    /var/cache/yum/base/repomd.xml
    587M    /var/cache/yum/base
    The problem is in /yum/packages....can I delete this ?


    2nd problem


    du -ah --max-depth=1 /var/lib

    Code:
    8.0K    /var/lib/pcmcia
    4.7M    /var/lib/slocate
    8.0K    /var/lib/games
    12K     /var/lib/dhcp
    4.0K    /var/lib/random-seed
    12K     /var/lib/alternatives
    8.0K    /var/lib/up2date
    8.0K    /var/lib/php
    23M     /var/lib/rpm
    28K     /var/lib/nfs
    8.0K    /var/lib/logrotate.status
    8.0K    /var/lib/dhcpv6
    656M    /var/lib/mysql
    272K    /var/lib/spamassassin
    16K     /var/lib/misc
    4.0K    /var/lib/dav
    4.0K    /var/lib/supportinfo
    684M    /var/lib
    
    2nd Problem is in MySQL

    Remedy: I have checked the databases and will remove db's that are no longer in use.
     
  3. PlatinumServerM

    PlatinumServerM Well-Known Member
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    The most common places where space is used on var is /var/log and /var/lib/mysql and /var/spool/exim

    Clear up the old logs, mail queue, and any unneeded mysql databases.

    If necessary, mysql can be moved to another drive or partition.
     
  4. bgqs

    bgqs Member

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    Thanks...logs is only using 103mb !

    The main one is /var/cache/yum/base/packages which is over 500mb. Can I delete the contents of this folder ?

    I have deleted old db's and have saved 5% !

    Obviously 500mb of a 1.9gb partition is a lot....I could do with reducing the content of the yum folder if possible....

    Please help me ;)
     
  5. theBassTender

    theBassTender Active Member

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    run the following as root:

    yum clean all

    this will clean the yum caches and headers
     
  6. bgqs

    bgqs Member

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    Nice one....that has reduced the size of /var to 40% ;)

    Thanks mate ;)
     
  7. screege

    screege Well-Known Member

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    well I have the following under log:

    -rw-r----- 1 root root 5288 May 8 06:10 acpid
    drwxr-x--- 2 root root 4096 May 10 09:32 audit
    drwxr-xr-x 3 root root 4096 Jan 3 00:00 bandwidth
    -rw------- 1 root root 1375 Apr 1 09:23 boot.log
    -rw------- 1 root utmp 3072 Apr 29 16:56 btmp
    -rw-r--r-- 1 root root 25567215 May 13 23:14 chkservd.log
    drwxr-xr-x 2 root root 4096 Jan 12 09:58 conman
    -rw-r--r-- 1 root root 342 Apr 20 22:57 cpupdate.env
    -rw------- 1 root root 11366287 May 13 23:15 cron
    drwxr-xr-x 2 lp sys 4096 Apr 17 18:55 cups
    drwx------ 10 root root 4096 May 13 23:15 dcpumon
    -rw-r--r-- 1 root root 20433 May 8 06:09 dmesg
    -rw-r----- 1 mailnull mail 1325736768 May 13 23:16 exim_mainlog
    -rw-r----- 1 mailnull mail 344 Apr 2 00:52 exim_paniclog
    -rw-r----- 1 mailnull mail 593460677 May 13 23:16 exim_rejectlog
    -rw------- 1 root root 12480 Apr 29 21:22 faillog
    -rw-r--r-- 1 root root 9364440 May 13 23:13 lastlog
    -rw------- 1 root root 1100656 May 13 23:13 lfd.log
    -rw------- 1 root root 988220007 May 13 23:16 maillog
    -rw------- 1 root root 49891594 May 13 23:13 messages
    drwxr-xr-x 2 root root 4096 Apr 2 00:56 pm
    drwx------ 2 root root 4096 Jan 20 22:27 ppp
    drwxr-xr-x 2 root root 4096 Apr 2 04:07 prelink
    -rw------- 1 root root 76353 May 13 04:07 rkhunter.log
    -rw------- 1 root root 5039 May 13 04:07 rkhunter.log.old
    -rw-r--r-- 1 root root 20538 May 13 04:07 rpmpkgs
    drwxr-xr-x 2 root root 4096 May 13 00:00 sa
    -rw------- 1 root root 45976548 May 13 22:57 secure
    -rw------- 1 root root 0 Jan 2 01:10 spooler
    drwxr-x--- 2 squid squid 4096 Jan 20 22:15 squid
    -rw------- 1 root root 0 Apr 2 00:51 tallylog
    -rw-rw-r-- 1 root utmp 367488 May 13 23:13 wtmp
    lrwxrwxrwx 1 root root 41 Mar 25 00:50 xferlog -> ../../usr/local/apache/domlogs/ftpxferlog
    -rw-r--r-- 1 root root 2 May 13 00:50 xferlog.offset
    -rw-r--r-- 1 root root 1 Mar 25 00:42 xferlog.offsetftpsep
    -rw-r--r-- 1 root root 14020 May 8 00:50 yum.log

    which can I delete? And will they be recreated?

    thanks
     
  8. JawadArshad

    JawadArshad Well-Known Member
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    You do not need to delete the files, you can just empty them like this.

    >exim_mainlog;>maillog;

    and so on.
     
  9. screege

    screege Well-Known Member

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    thanks a lot, is there any script that can be done and that could be run via cron?

    Thank you
     
  10. tangowebs

    tangowebs Well-Known Member

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    Hi, we moved the mysql dir to /home/mysql and seemed to be working fine til we tried to erase the dir /var/lib/mysq.

    Now mysql webpages are not working and we have this error when trying to access:

    MySQL Error!
    ------------------------

    The Error returned was:
    Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)

    Error Number:
    1


    Any idea about what can we do?
     
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