[CentOS] Constant disk activity

dnk
Thu, 22 Mar 2012 04:24:11 -0000

Hi there,

I have an old server (home use now), and i just did a fresh install of 5.8 on
it. But the disk is constantly noisy.

When running iotop, there is nothing blaring out at me.

(sample output)

 1722 be/3 root        0.00 B/s    0.00 B/s  0.00 %  0.10 % auditd
    3 be/7 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % [ksoftirqd/0]
 1724 be/2 root        0.00 B/s    0.00 B/s  0.10 %  0.00 % audispd
   10 be/3 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % [kblockd/0]
  103 be/3 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % [khubd]
 2163 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % sshd
 6265 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % sshd: root at pts/1



169 be/4 root        0.00 B/s    0.00 B/s  0.00 %  2.82 % -bash
 1724 be/2 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % audispd
    3 be/7 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % [ksoftirqd/0]
    7 be/3 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % [kthread]
 2163 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % sshd
 6265 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % sshd: root at pts


169 be/4 root        0.00 B/s    0.00 B/s  0.00 %  2.92 % -bash
 1722 be/3 root        0.00 B/s    0.00 B/s  0.00 %  0.78 % auditd
 2022 be/4 haldaemo    0.00 B/s    0.00 B/s  0.00 %  0.68 % hald
 1724 be/2 root        0.00 B/s    0.00 B/s  0.78 %  0.00 % audispd
    3 be/7 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % [ksoftirqd/0]
 2342 be/4 root        0.00 B/s    0.00 B/s  0.00 %  0.00 % mingetty tty1


And in nmon, the damn thing looks like it is doing nothing:

?nmon?14g??????[H for help]???Hostname=home?????????Refresh= 2secs
???15:41.15?????????????????????????????????????????????????????????????????????????????????????????????????????
? Disk I/O ??/proc/diskstats????mostly in KB/s?????Warning:contains
duplicates?????????????????????????????????????????????????????????????????????????
?
?DiskName Busy  Read WriteKB|0          |25         |50          |75	   100|
?
?hda        0%    0.0    0.0|>
|
?
?hda1       0%    0.0    0.0|>
|
????????????????????????????
?hda2       0%    0.0    0.0|>
|
?
?sda        0%    0.0    0.0|>
|
?
?sda1       0%    0.0    0.0|>
|
?
?sdb        0%    0.0    0.0|>
|
?
?sdb1       0%    0.0    0.0|>
|
?
?dm-0       0%    0.0    0.0|>
|
?
?dm-1       0%    0.0    0.0|>
|
?
?Totals Read-MB/s=0.0      Writes-MB/s=0.0      Transfers/sec=0.0
?
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
?
?
?
?
?
?
?
?
?

Any tips to quiet this thing down? The server is very low use. I read a few
people suggest converting to ext 2, but I'm not so sure about htat,..

Any tips?

D