Date: Thu, 4 Jan 2001 09:49:38 +1030 From: Greg Lehey <grog@lemis.com> To: Vallo Kallaste <vallo@matti.ee> Cc: Josef Karthauser <joe@tao.org.uk>, Thomas Seck <tmseck@web.de>, freebsd-stable@FreeBSD.ORG Subject: Re: Vinum safe to use for raid 0? Message-ID: <20010104094938.B4336@wantadilla.lemis.com> In-Reply-To: <20010103172844.D13221@myhakas.matti.ee>; from vallo@matti.ee on Wed, Jan 03, 2001 at 05:28:44PM %2B0200 References: <20010102230107.A559@basildon.homerun> <20010103102943.A770@tao.org.uk> <20010103214829.X4336@wantadilla.lemis.com> <20010103172844.D13221@myhakas.matti.ee>
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On Wednesday, 3 January 2001 at 17:28:44 +0200, Vallo Kallaste wrote: > On Wed, Jan 03, 2001 at 09:48:29PM +1030, Greg Lehey <grog@lemis.com> wrote: > >>> As far as I understand from Greg he's not aware of many people who >>> are having problems with raid 5. >> >> Probably. If you know of somebody I don't know of, please let me >> know. > > For a while now I have a old spare Intel Madrona server. It has in > current configuration one SCSI backplane with 5 SCA plugs and four > Seagate Cheetah disks (old model: 4.3GB 10000rpm). The SCSI > controller is onboard Symbios 875. I did some vinum raid-5 tests in > November, all what I got was massive filesystem corruption and > panics after the degraded volume got rebuilt. I'll probably have > this box for yet two weeks or so and my time isn't so limited now, > so.. What I can do to help you besides installing latest -stable? Do > you have some formalized test procedures or anything to prove the > stability of raid-5 configuration? No testing can prove stability, only instability :-) If you were able to get file system corruption, go and check how you did it and see if you can do it again. Don't forget the information I asked for in http://www.vinumvm.org/vinum/how-to-debug.html. Greg -- Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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