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Re[2]: Mylex DAC960

daemon@ATHENA.MIT.EDU (dbeitler@ndcwireless.com)
Thu Dec 5 17:33:42 1996

From: dbeitler@ndcwireless.com
Date: 	Thu, 05 Dec 96 14:32:05 PST
Cc: linux-scsi@vger.rutgers.edu
To: ;@unlisted-recipients (no To-header on input)


     My experience with the DAC960 in use with Novell woulc cause me to not 
     want to put one on a Linux box, too much trouble.  In the Novell 
     environment, you have to run Mylex provided software to configure the 
     drives, and while it works pretty well, reconfiguring after a failed 
     drive is a really big pain.  I would expect that you would need a 
     similar program from Mylex to configure an array, unless Linux would 
     be happy to use one that was configured under dos.
     
     All that being said, since I have one laying around, I might just see 
     if I can get it to work.
     
     dbeitler@ndcwireless.com
     


______________________________ Reply Separator _________________________________
Subject: Re: Mylex DAC960
Author:  "Leonard N. Zubkoff" <lnz@dandelion.com> at INTERNET
Date:    12/5/96 9:36 AM


     
  Date:  Wed, 4 Dec 1996 18:41:41 -0600 (CST) 
  From: paul <paul@flex.net>
     
  I noticed in the Hardware HOWTO and SCSI howto there is no mention 
  of the Mylex DAC960 at all - that is as in supported or sketchy and 
  the never to be supported. I did however find a usenet article which 
  is stated to be a Mylex press release stateing that Mylex was dedicated 
  to the support of Linux in their products or something along those lines. 
  The article was referring to some buslogic/mylex types or something. In 
  short does anyone know if there will be support for This SCSI raid 
  controller? Or should I just try selling it off and getting DPT's?
     
The article was referring to the Linux support for the MultiMaster and 
FlashPoint boards.  The DAC960 is not currently supported.  I will be 
discussing support for the DAC960 with the product manager in early January 
when he returns from vacation.
     
The DAC960 is really more of a RAID controller than a general SCSI controller. 
While it can execute SCSI commands, it's capabilities in that area are quite 
limited.  I expect that Linux support would be limited to RAID.  My perspective 
is that for Linux to work well with the DAC960, we need more than just a driver 
that can talk to the controller.  The disk array management software also needs 
to be available.  Without that, we'd be forced to boot another operating system 
to perform array management functions.  Feel free to disagree with me on this 
point if you don't think it's necessary.
     
In the meanwhile, please let Mylex know that you would like Linux support for 
the DAC960.  Unlike BusLogic, the Mylex side has little knowledge of Linux and 
they need to learn that there's a real market for their products on Linux.
     
  Leonard


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