identify i/o process

[Jose]

Ian Petersen wrote:
> On 5/1/07, Jose <jose-vS8X3Ji+8Wg6e3DpGhMbh2oLBQzVVOGK at public.gmane.org> wrote:
>> I am having problem with a server, ti slows down and the disk i/o goes
>> to 100%, I couldn't figure out how to run ps to allow me to see which
>> process is the one giving me the trouble, does anybody know how to
>> identify process doing lots of disk i/o?
>
> I don't know how to answer your question, but have you considered
> alternatives?  Is there enough RAM in the system?  Maybe you've
> overloaded it and it's swapping.  Is there free space available on on
> the mounted filesystems?  I discovered the hard way that a filesystem
> can slow down to glacial speeds if it's experiencing space pressure
> because it's almost full.
>
> Ian
>
Hi Ian,

Cpu was almost none, RAM was up to 90/95%, but that's normal on that system.
space is up to 80% on most drives but not close to be full, swap was up 
to 40% at the most when that happen.

Thanks

Jose
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