Re: High CPU Usage on software raid 0
- From: "Kerry Brown" <kerry@xxxxxxxxxxxxxxxxxxx*a*m>
- Date: Sat, 18 Jun 2005 23:27:32 -0700
<clive@xxxxxxxxxxxxxx> wrote in message
news:1119161237.789514.301350@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Hi,
>
> I set up a software raid 0 on two 80 gig seagate drives a while ago and
> everything was going swimmingly, I was getting great transfer rates and
> not much CPU usage using the raid.
>
> Recently, I'm not sure exactly when, but the CPU usage needed to
> perform file operations on the drives has become very intense.
>
> To read a file now, my CPU shoots up to around 80%.
> When i look at the graph, the red graph is just as high as the green
> graph, that is, the kernel seems to be doing a lot of work. When i look
> at the applications CPU usage, it's still very low and the system idle
> process is around the 90% mark.
>
> Has anyone heard of this before, and what solutions are there to
> solving this confusing problem?
>
> Could it be a problem with a degraded cable or bent in an bad way?
>
> Hardware
> Athlon 2400+
> Two Seagate 80gig drives software raid 0
> Both using seperate IDE cables (different channels i think is the word
> i should use here), they are the only devices on their respective
> cables.
>
> using Windows XP SP2, all security patches applied.
>
Did you add a new antivirus program?
Kerry
.
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