Re: complain about dpt_2o driver and CPU time

[Alan Cox]

> feel that the card is very slow, the test with Bonnie shows 1810KB/sec 
> with CPU load less than 2%. This shows the CPU time is idle, but the 
> load average go up to around 13-14 . This means the dpt_i2o driver is 

The load average includes I/O waiting. So that may well mean you have 14
different processes waiting for the card.

> even faster than this Ultra-160 SCSI i960 RAID with 32MB cache. If this 
> is the case, I will just throw it away and use my onboard Ultra-160 
> connector with software RAID which runs faster(at least). This is almost 
> unusable for even small workgroup server.

The numbers seem extremely poor. There are plenty of abysmally slow
RAID controllers out there but I'd expect bettere than 1810K/second even
on things like old Megaraid cards.

Alan