Date: Fri, 29 Oct 2004 17:43:42 -0300 From: "Giovanni P. Tirloni" <gpt@tirloni.org> To: Christian Hiris <4711@chello.at> Cc: current@freebsd.org Subject: Re: atacontrol and SATA RAID Message-ID: <4182AB7E.3050008@tirloni.org> In-Reply-To: <200410292222.35572.4711@chello.at> References: <217202CB5FF8AE439E263CE3D48ECB50757E5D@honda.int.hansa.lt> <41828271.60808@tirloni.org> <200410292222.35572.4711@chello.at>
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Christian Hiris wrote: > Try to overwrite the first few sectors of your spare disk (ad6) with zeroes. > Possibly there were some bits from your old ataraid or your raid-controller > left. You can do this by using the 'dd' command or a tool from your hardware > vendor. If your disk is "clean" retry the addspare and then rebuild your > mirror. > > # dd if=/dev/zero of=/dev/ad6 bs=512 count=128 > # atacontrol addspare 0 ad6 > # atacontrol rebuild 0 The first time I formated the disk through the Adaptec BIOS FreeBSD would still add the disk to the array and panic. I allowed it to format 10% of the disk. The second time I left it formating the whole disk and it worked (see my other e-mail describing how I got it to work). In resume, I've a RAID-capable controller but I'm not using it (Intel 6300ESB / Adaptec HostRAID BIOS) because FreeBSD won't recognize the array I create there. So far the RAID support in FreeBSD's ata has done the job. -- Giovanni P. Tirloni
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