Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 15 Mar 2002 09:53:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 15 Mar 2002 09:53:02 -0500 Received: from mout04.kundenserver.de ([195.20.224.89]:561 "EHLO mout04.kundenserver.de") by vger.kernel.org with ESMTP id ; Fri, 15 Mar 2002 09:52:46 -0500 Message-ID: <3C920ABB.6E17E324@ngforever.de> Date: Fri, 15 Mar 2002 07:52:43 -0700 From: Thunder from the hill Organization: The LuckyNet Administration X-Mailer: Mozilla 4.79 [en] (X11; U; Linux 2.4.8-26mdk i586) X-Accept-Language: en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org, Martin Eriksson Subject: Re: HPT370 RAID-1 or Software RAID-1, what's "best"? Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, Luigi Genoni wrote: > HPT370 IDE Raid is not really an hardware raid. > It is a software Raid, since Linux does not use tha raid implementation > that comes with the BIOS, but it uses softwareraid. That doesn't prevent me from saying that real hardware raid might be better. But is the thing you wish to say that there's no difference, or what? Alan Cox wrote: > The raid rebuild time is identical for pretty much any set up. With the > softraid its intentionally defaulting to a low fraction of I/O bandwidth > so it doesnt disrupt normal operation. I experienced it took at about twice the time for a rebuild. I don't exactly remember the test results, and they aren't available to me until Monday. If you're interested... Maybe things have changed a lot since last year, when I did the tests. > Also as far is his question goes - both are software raid See above. Thunder -- begin-base64 755 - IyEgL3Vzci9iaW4vcGVybApteSAgICAgJHNheWluZyA9CSMgVGhlIHNjcmlw dCBvbiB0aGUgbGVmdCBpcyB0aGUgcHJvb2YKIk5lbmEgaXN0IGVpbiIgLgkj IHRoYXQgaXQgaXNuJ3QgYWxsIHRoZSB3YXkgaXQgc2VlbXMKIiB2ZXJhbHRl dGVyICIgLgkjIHRvIGJlIChlc3BlY2lhbGx5IG5vdCB3aXRoIG1lKQoiTkRX LVN0YXIuXG4iICA7CiRzYXlpbmcgPX4Kcy9ORFctU3Rhci9rYW5uXAogdW5z IHJldHRlbi9nICA7CiRzYXlpbmcgICAgICAgPX4Kcy92ZXJhbHRldGVyL2Rp XAplIExpZWJlL2c7CiRzYXlpbmcgPX5zL2Vpbi8KbnVyL2c7JHNheWluZyA9 fgpzL2lzdC9zYWd0LC9nICA7CiRzYXlpbmc9fnMvXG4vL2cKO3ByaW50Zigk c2F5aW5nKQo7cHJpbnRmKCJcbiIpOwo= ==== Extract this and see what will happen if you execute my signature. Just save it to file and do a > uudecode $file | perl - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/