Date: Tue, 18 Mar 2003 13:48:20 +0000 From: Ryan Merrick <sandshrimp@attbi.com> To: Darren Gamble <Darren.Gamble@sjrb.ca> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: FreeBSD install fails on a DAC960 RAID array Message-ID: <3E7723A4.4090603@attbi.com> References: <F2AC1E62AC3CBB49BB518BEA341532220DD003@shawmail02>
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Darren Gamble wrote: >Good day, > >I posted a question last week on my inability to get FreeBSD installed on a >machine with a Mylex DAC960PTL1 RAID array. I had originally attributed the >problem to a bug mentioned on the 5.0 release errata page which describes my >condition, but after further testing I am not so sure anymore. > >The machine in question is a NEC, dual 733MZ P3 with a Mylex DAC960 RAID >controller. I'm performing the install via floppy/FTP. Immediately prior >to the installation, the machine was running Red Hat Linux 7.2 , occupying >the entire disk array, and functioning great. That installation has since >been deleted, as I've attempted to install FreeBSD using the entire disk >array. > >The installation proceeds fine, but the machine hangs upon reboot at the >boot manager prompt. If I try again and install the default boot loader >instead of the boot manager, I get "Missing Operating System". > >I've so far tried 5.0-RELEASE, 4.8-RC2 and 4.7-RELEASE (using their >respective installation floppies) with identical results. > >These symptoms match exactly installation FAQ entries 3.21 and 3.22 . >However, the former suggests to resolve a conflict between two operating >systems conflicting over disk geometry, and I only have FreeBSD installed, >using the entire disk array. The latter FAQ suggests the problem is with >the BIOS not detecting the disk properly. However, I am really not sure >what I need to do here, since I know the BIOS/controller are able to work >with large partition sizes due to the previous success with Red Hat. The >only difference, of course, is that the Linux installation had several >partitions while FreeBSD uses the single partition with slices. > >Lastly, I am not even positive that FreeBSD supports booting from this >drive. The card initially identifies itself as a "DAC960PTL1" in the name, >which doesn't exactly match any of the DAC960 cards listed on the hardware >page. FreeBSD is able to ID and work with the drive, etc. when the mlx >driver module is loaded, so I would guess that this isn't a problem. > >I'm at a loss as to what I can do. Sorry for making this message so large, >but I wanted to be comprehensive. > >Thanks in advance, > >============================ >Darren Gamble >Planner, Regional Services >Shaw Cablesystems GP >630 - 3rd Avenue SW >Calgary, Alberta, Canada >T2P 4L4 >(403) 781-4948 > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-questions" in the body of the message > > > Hello, It has been a while since I have seen a DAC960, but this problem was solved by setting the partition size to 2GIGs instead of 8GIGs in the RAID BIOS. -Ryan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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