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From: "H. Peter Anvin" <hpa@zytor.com>
To: Chris Friesen <cfriesen@nortel.com>
Cc: Jeff Garzik <jeff@garzik.org>,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	Linux RAID Mailing List <linux-raid@vger.kernel.org>,
	marc@perkel.com
Subject: Re: Linux: Why software RAID?
Date: Wed, 23 Aug 2006 22:25:37 -0700	[thread overview]
Message-ID: <44ED3851.7040202@zytor.com> (raw)
In-Reply-To: <44ED3723.3090308@nortel.com>

Chris Friesen wrote:
> Jeff Garzik wrote:
> 
>> But anyway, to help answer the question of hardware vs. software RAID, 
>> I wrote up a page:
>>
>>     http://linux.yyz.us/why-software-raid.html
> 
> Just curious...with these guys 
> (http://www.bigfootnetworks.com/KillerOverview.aspx) putting linux on a 
> PCI NIC to allow them to bypass Windows' network stack, has anyone ever 
> considered doing "hardware" raid by using an embedded cpu running linux 
> software RAID, with battery-backed memory?
> 
> It would theoretically allow you to remain feature-compatible by 
> downloading new kernels to your RAID card.
> 

Yes.  In fact, I have been told by several RAID chip vendors that their 
customers are *strongly* demanding that their chips be able to run Linux 
  md (and still use whatever hardware offload features.)

So it's happening.

	-hpa

  reply	other threads:[~2006-08-24  5:25 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-24  3:34 Linux: Why software RAID? Jeff Garzik
2006-08-24  4:22 ` Richard Scobie
2006-08-24  8:19   ` Jeff Garzik
2006-08-24 20:08     ` Richard Scobie
2006-08-24  5:20 ` Chris Friesen
2006-08-24  5:25   ` H. Peter Anvin [this message]
2006-08-26 20:55     ` Dan Williams
2006-08-24  5:43   ` Mattias Wadenstein
2006-08-24 13:07 ` Adam Kropelin
2006-08-24 13:20   ` Alan Cox
2006-08-24 13:36     ` Adam Kropelin
2006-08-24 13:42       ` Gordon Henderson
2006-09-04 17:29         ` Bill Davidsen
2006-08-24 14:55       ` Mark Lord
     [not found]     ` <44EDB843.2020608@perkel.com>
2006-08-24 15:21       ` Alan Cox
2006-09-04 17:31         ` Bill Davidsen
2006-09-04 17:31           ` Joel Jaeggli
  -- strict thread matches above, loose matches on Subject: below --
2006-08-26  3:50 linux
2006-08-26 12:18 ` Raz Ben-Jehuda(caro)

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