High Disk Utilization help
 

Hi guyz,
I have a server thats is going thru high disk usage:

avg-cpu: %user %nice %sys %iowait %idle
27.67 0.00 8.89 61.02 2.42

Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 470.56 11774.15 5232.47 54016722 24005232
sda1 470.55 11774.12 5232.47 54016602 24005232

below is a snippet of the top command:
00:16:20 up 1:19, 2 users, load average: 32.69, 26.23, 22.51
275 processes: 273 sleeping, 2 running, 0 zombie, 0 stopped
CPU states: cpu user nice system irq softirq iowait idle
total 6.0% 0.0% 14.4% 0.0% 0.0% 79.5% 0.0%
cpu00 4.6% 0.0% 14.8% 0.0% 0.0% 80.5% 0.0%
cpu01 7.4% 0.0% 14.0% 0.0% 0.0% 78.5% 0.0%
Mem: 510360k av, 496484k used, 13876k free, 0k shrd, 5880k buff
422556k actv, 21728k in_d, 6700k in_c
Swap: 514992k av, 514984k used, 8k free 41148k cached

PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME CPU COMMAND
8478 apache 20 0 3808 1400 1020 S 0.0 0.2 0:00 0 httpd
8477 mysql 18 0 69912 38M 1100 D 0.9 7.6 0:00 1 mysqld
8476 mysql 18 0 69912 38M 1100 D 0.0 7.6 0:00 1 mysqld
8475 root 19 0 264 264 200 S 0.0 0.0 0:00 0 agetty
8474 root 16 0 1100 1100 888 D 0.9 0.2 0:00 0 ipop3d
8473 root 18 0 916 916 800 D 0.0 0.1 0:00 0 service
8472 mysql 20 0 69912 38M 1100 S 0.0 7.6 0:00 1 mysqld
8470 mysql 18 0 69912 38M 1100 S 0.0 7.6 0:00 1 mysqld
8466 mysql 20 0 69912 38M 1100 S 0.0 7.6 0:00 1 mysqld
8465 mysql 19 0 69912 38M 1100 S 0.0 7.6 0:00 0 mysqld
8464 apache 15 0 4476 3016 1108 D 0.4 0.5 0:00 0 httpd
8461 apache 15 0 4460 2988 1108 D 0.0 0.5 0:00 1 httpd
8462 apache 15 0 3484 1320 444 D 1.3 0.2 0:00 0 httpd
8463 apache 15 0 3436 1564 440 S 0.0 0.3 0:00 0 httpd
8457 apache 15 0 3804 2008 400 S 0.0 0.3 0:00 0 httpd
8458 apache 15 0 4440 2944 1096 D 0.4 0.5 0:00 0 httpd
8459 apache 15 0 4440 2940 1096 D 0.0 0.5 0:00 0 httpd
8460 apache 16 0 4600 2732 1596 D 1.3 0.5 0:00 0 httpd
8453 apache 15 0 4464 2988 1104 D 0.0 0.5 0:00 1 httpd
8454 apache 15 0 5012 3240 1916 D 0.4 0.6 0:00 0 httpd
8455 apache 15 0 3212 1052 372 S 0.0 0.2 0:00 0 httpd
8456 apache 15 0 3344 1196 328 S 0.0 0.2 0:00 1 httpd
8451 apache 16 0 3432 1152 16 S 0.0 0.2 0:00 0 httpd
8452 apache 17 0 2936 500 16 S 0.0 0.0 0:00 0 httpd
8450 apache 15 0 4472 3000 1100 D 0.4 0.5 0:00 1 httpd
8449 mysql 15 0 69912 38M 1100 S 0.0 7.6 0:00 0 mysqld
8447 mysql 16 0 69912 38M 1100 S 0.0 7.6 0:00 1 mysqld
8446 smmsp 15 0 920 908 400 D 0.0 0.1 0:00 1 sendmail
8445 mysql 15 0 69912 38M 1100 S 0.0 7.6 0:00 0 mysqld
8443 mysql 15 0 69912 38M 1100 S 0.0 7.6 0:00 1 mysqld
8442 mysql 15 0 69912 38M 1100 S 0.0 7.6 0:00 1 mysqld
8441 mysql 15 0 69912 38M 1100 S 0.0 7.6 0:00 1 mysqld


I was wondering, whats the next step in fixing or finding out what is causing the issue? any help is appreciated. THANKS!!

First step would be to wrap [code] tags around that so we can all read it.