Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 23 Apr 2004 11:45:32 -0700 (PDT)
From:      Dan Strick <strick@covad.net>
To:        schweikh@schweikhardt.net
Cc:        freebsd-scsi@freebsd.org
Subject:   Re: Hardware Striping
Message-ID:  <200404231845.i3NIjWMJ000414@mist.nodomain>

next in thread | raw e-mail | index | archive | help
>>
>	...
> I have two pairs of identical U160 SCSI disks
>	...
> Until now I'm using an Adaptec 29160 Host Adapter, but of course it is
> not HW-RAID0 capable. What card am I looking for?
>
> The disks have a sustained read rate of 60 to 70 Mbyte/s, so if all of
> them were used at the same time they could saturate an U160 bus. Is this
> a problem?
>	...
>>

We can assume that a high speed SCSI host adapter will have a faster
PCI interface but the vast majority of even modern motherboards have
only a traditional 33 MHz 32 bit PCI which would saturate well below
133 Mbyte/sec.

What variety of PCI bus does your system have?

Dan Strick
strick@covad.net



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200404231845.i3NIjWMJ000414>