On Tue, 26 Oct 2004, Jukka Salmi wrote:

> David Brownlee --> netbsd-help (2004-10-26 10:41:54 +0100):
>> 	I've seen this behaviour (raidframe across two IDE disks on separate
>> 	channels gives timeouts), on most of my raidframe machines.
>
> The machine in question uses RAIDframe (level 1) as well.
>
>
>> 	I've seen this at least on piixide and rccide, less so in viaide.
>
> So viaide and pdcide join the club...
>
> IIUC this is not critical, is it? Just suboptimal, maybe... What is
> considered better: to connect the disks to the same channel, thus
> degrading performance, or to connect to seperate channels and ignore
> the timout messages?

 	Benchmark both to see, maybe via pkgsrc/benchmarks/bonnie++

 	My guess is the same channel will be fractionally slower
 	normally, but the timeouts will _really_ hurt performance.

-- 
 		David/absolute       -- www.NetBSD.org: No hype required --