Re: Dell R310 with SAS drives very slow

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, May 24, 2010 at 10:25:06PM +0200, Edgar Fuß wrote:
> > sd0 at scsibus0 target 0 lun 0: <Dell, VIRTUAL DISK, 1028> disk fixed
> > sd0: 136 GB, 139392 cyl, 16 head, 128 sec, 512 bytes/sect x 285474816 
> > sectors
> > probe(mpt0:0:8:0): generic HBA error
> Looks like your controller fails to negotiate sync/wide transfers.

Which is not surprising for a RAID virtual disk. I don't think the
issue is there.
Isn't there an option in the PERC BIOS for disk or controller caches ?

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--