linux-kernel - Re: Question regarding SAS controllers.

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Date:	Sat, 22 Nov 2008 22:21:21 +0000
From:	"Dr. David Alan Gilbert" <linux@...blig.org>
To:	Justin Piszcz <jpiszcz@...idpixels.com>
Cc:	"Moore, Eric" <Eric.Moore@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	Alan Piszcz <ap@...arrain.com>
Subject: Re: Question regarding SAS controllers.

* Justin Piszcz (jpiszcz@...idpixels.com) wrote:

<snip>

> Eric,
> 
> Thanks, I had checked this out earlier but the only non-raid SAS HBAs 
> (those HBAs that do not end in -R) that are JBOD seem to be external only
> (e.g., do not contain any internal SAS ports?)
> 
> Justin.

For some of the SAS cards that LSI produce there are 2 sets of firmware
on their site and you can load the non-RAID firmware; both versions
will let you drive stuff as individual drives (e.g. tape drives or
inidivudal discs) but the non-RAID firmware is a LOT faster for that.

Dave
-- 
 -----Open up your eyes, open up your mind, open up your code -------   
/ Dr. David Alan Gilbert    | Running GNU/Linux on Alpha,68K| Happy  \ 
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