Date: Fri, 17 Dec 2004 14:22:16 +0100 From: Ruben de Groot <mail25@bzerk.org> To: Karsten Fuhrmann <karsten_fuhrmann@cartoon-film.de> Cc: freebsd-questions@freebsd.org Subject: Re: RAID0 problem array broken Message-ID: <20041217132216.GA63783@ei.bzerk.org> In-Reply-To: <41C2CF1A.8090207@cartoon-film.de> References: <41C2CF1A.8090207@cartoon-film.de>
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On Fri, Dec 17, 2004 at 01:20:42PM +0100, Karsten Fuhrmann typed: > Hello, > tonight my RAID0 configuration broke. > It seems to be only a loose cable or power cord, which i fixed already. > > But now my ar0 stripe will not be recognised anymore. > /var/log/messages showed this : > Dec 17 03:24:44 darkstar kernel: ad6: FAILURE - ATA_IDENTIFY timed out > Dec 17 03:24:49 darkstar kernel: ad6: FAILURE - ATA_IDENTIFY timed out > Dec 17 03:24:49 darkstar kernel: ad6: deleted from ar0 disk1 > Dec 17 03:24:49 darkstar kernel: ar0: ERROR - array broken > Dec 17 03:24:49 darkstar kernel: ad6: WARNING - removed from configuration > Dec 17 03:24:49 darkstar kernel: ar0: ERROR - array broken > > And "atacontrol list" even shows all disks, here the output > ATA channel 2: > Master: ad4 <ST3200822AS/3.01> Serial ATA v1.0 > Slave: no device present > ATA channel 3: > Master: ad6 <ST3200822AS/3.01> Serial ATA v1.0 > Slave: no device present > ATA channel 4: > Master: ad8 <WDC WD2000JD-00HBB0/08.02D08> Serial ATA v1.0 > Slave: no device present > > These 3 Disks are my stripe set! > > Is there a way to recreate the stripe set without losing the data on the > disks? Well, technically, since your data are indeed still there, you should be able to extract it from the disks. That would involve a small amount of math though (stripe size e.a.). > I think there must be an easy way, because e.g. ill take these disks to > a friends computer(with the same controller) it should be possible to > use my raid on his machine, right? > > I am running 5.3-RELEASE with a Promise TX 4 I'm not sure about the TX4; but what about recreating the array in the controller's BIOS (if it has one) without rebuilding the array? Ruben
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