Very high i/o locks server.

O

ozgurerdogan

Verified User
Joined
Apr 20, 2008
Messages
352
For last couple days, very high i/o causes DA stop responding? It might be a malware issue. But how can I first see which web site causes this? I have to reboot server each time this happens.
 
Maldetect does not always detect malwares. top or ps faus also is not showing which web site user is using high io. I am trying apached extended loging (server-status)
 
I know you can't always find things with Maldetect, top or ps faux, but it's a good begin.
Every system engineer should enable extended apache logging by default imho.

Another good option is to install a monitor program, in case it's hardware causing the issue. Munin for example.
 
Hello,

- iotop
- maldet+clamav+malware experts
- check swap status
- check mysql status
- /tmp, /var/tmp to tmpfs
- hdd to sdd

other.
 
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