High CPU Usage on software raid 0
- From: clive@xxxxxxxxxxxxxx
- Date: 18 Jun 2005 23:07:17 -0700
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.
.
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