I've done a few mirrors with EIDE UDMA drives. It seems to be MUCH faster
to resync an array when the drives are on different channels. Two 6 gig
drives were going to take 20 minutes to resync when on the same channel,
but only 12 minutes when on different channels.
Brian
On Mon, 18 Jan 1999, Jeremy Wohl wrote:
> Linux software RAID5 w/5 EIDE UMDA disks. Crazy?
>
> I assume the problem is getting io requests to occur simultaneously. My
> surfing tells me most controllers provides poor same-channel access,
> yet independent channels. So three controllers, one disk per channel
> would provide concurrent io's, if the linux eide driver makes use of
> them.
>
> I'd appreciate any confirmation of this information.
>
> thanks!
>
> -jeremy
>
>
