RAID controller question...

Stanley, Jeremy jstan@trendcmhs.org
Tue, 8 Sep 1998 12:18:05 -0400


Hey--these don't look so bad.  I'm trying to get US pricing info from
several vendors right now, so we'll see what the cost looks like.  I'll
post here when I have a good cost/feature comparison distributed over
enough manufacturers and vendors to make my decision final...
-------------------------*-------------------------
Jeremy J. Stanley
Information Systems Administrator
Trend Community Mental Health Services


> ----------
> From: 	Christian Worley[SMTP:cworley@altatech.com]
> Sent: 	Tuesday, September 08, 1998 11:54 AM
> To: 	Stanley, Jeremy; 'Beowulf Cluster Mailing List'; 'Extreme Linux
> Mailing List'
> Subject: 	Re: RAID controller question...
> 
> Stanley, Jeremy wrote:
> > 
> >  Thus, I need
> > a controller with hardware-level RAID support.  I've found two
> models
> > which I think will work, but can't find pricing on either and am not
> > sure if LINUX drivers exist for each.  The controllers are:
> > 
> >         Adaptec AEC-4412BD
> >         AMI MegaRAID® Ultra2/5 (Series 438)
> > 
> 
> Vortex has Linux drivers for 2.0.x and 2.1.x Linux kernels (I've tried
> both, and both work).  They can be seen at:
> 
> http://www.icp-vortex.com/
> 
> Using RAID-0 I've been able to get 20MBytes/sec write performance
> (with a "dd of=/dev/sda if=/dev/zero bs=65536 count=65536").  RAID-5,
> I get under 10MBytes/sec.  Read times are faster.
> 
> They have a configuration tool called gdtmon, and a version that works
> in Linux.  But, their scsi bios requires a video card (no headless
> operation).
> 
> Chris
> -- 
>   When I die, please cast my ashes upon Bill Gates
>    --for once, let him clean up after me!
>