通过ps -ef|grep /var寻找空间异常的文件系统是否有人正在访问

空间使用率是100%

但是，通过df -kxs * 计算出来应该是92%，经过确认，/var 目录du 计算值与 df 计算值应该有差异

下面是处理过程

 

[root@auslap05 /]# ps -ef|grep /var

root      2212     1  0  2007 ?        00:00:03 /usr/sbin/snmptrapd -Lsd -p /var/run/snmptrapd.pid

root      3161  3157  0  2007 ?        05:04:03 /usr/X11R6/bin/X :0 -audit 0 -auth /var/gdm/:0.Xauth -nolisten tcp vt7

root       820     1  0  2007 ?        00:00:05 tail -0f /var/spool/compaq/cma.log

root      1412     1  0  2007 ?        00:00:05 tail -0f /var/spool/compaq/cma.log

root      5487     1  0  2007 ?        00:00:05 tail -0f /var/spool/compaq/cma.log

root      6148     1  0  2007 ?        00:00:05 tail -0f /var/spool/compaq/cma.log

root      7562  7561  0  2007 ?        00:00:00 /opt/hp/hpsmh/bin/rotatelogs /var/spool/opt/hp/hpsmh/logs/error_log 5M

root      7563  7561  0  2007 ?        00:00:00 /opt/hp/hpsmh/bin/rotatelogs /var/spool/opt/hp/hpsmh/logs/access_log 5M

root      1416     1  0  2007 ?        00:00:01 xinetd -stayalive -pidfile /var/run/xinetd.pid

root     19665     1  0 Jul13 ?        00:00:04 /usr/sbin/snmpd -Lsd -Lf /dev/null -p /var/run/snmpd -a

root     27223 15428  0 06:40 pts/2    00:00:00 grep /var

[root@auslap05 /]#

[root@auslap05 /]#

[root@auslap05 /]# uptime

 06:40:54 up 219 days, 19:11,  4 users,  load average: 0.33, 0.25, 0.19

[root@auslap05 /]# kill -9 7562

[root@auslap05 /]# kill -9 7563

[root@auslap05 /]#

[root@auslap05 /]#

[root@auslap05 /]# df -k

Filesystem           1K-blocks      Used Available Use% Mounted on

/dev/cciss/c0d0p1     10317828  10105160         0 100% /

none                   1977592         0   1977592   0% /dev/shm

/dev/cciss/c0d0p5     28842748  18177576   9200048  67% /u01

/dev/cciss/c0d0p6     26715668     77800  25280780   1% /u02

[root@auslap05 /]# ls -l /var/spool/compaq/cma.log

-rwxrwx---  1 root hpsmh 522736779 Jul 14 06:41 /var/spool/compaq/cma.log

[root@auslap05 /]#

[root@auslap05 /]#

[root@auslap05 /]# ls -l /var/spool/compaq/cma.log

-rwxrwx---  1 root hpsmh 522737199 Jul 14 06:42 /var/spool/compaq/cma.log

[root@auslap05 /]#

[root@auslap05 /]#

[root@auslap05 /]#

[root@auslap05 /]# kill -9 820

[root@auslap05 /]# kill -9 1412

[root@auslap05 /]# kill -9 5487

[root@auslap05 /]#

[root@auslap05 /]#

[root@auslap05 /]#

[root@auslap05 /]# ls -l /var/spool/compaq/cma.log

-rwxrwx---  1 root hpsmh 522738459 Jul 14 06:42 /var/spool/compaq/cma.log

[root@auslap05 /]#

[root@auslap05 /]#

[root@auslap05 /]# cat /dev/null>tail -0f /var/spool/compaq/cma.log

cat: invalid option -- 0

Try `cat --help' for more information.

[root@auslap05 /]# >/var/spool/compaq/cma.log

[root@auslap05 /]# df -k

Filesystem           1K-blocks      Used Available Use% Mounted on

/dev/cciss/c0d0p1     10317828   8061232   1732480  83% /

none                   1977592         0   1977592   0% /dev/shm

/dev/cciss/c0d0p5     28842748  18170900   9206724  67% /u01

/dev/cciss/c0d0p6     26715668     77800  25280780   1% /u02