Date: Fri, 12 Jan 2007 17:36:25 +1100 From: "Jan Mikkelsen" <janm@transactionware.com> To: "Jo Rhett" <jrhett@svcolo.com>, "Charles Sprickman" <spork@bway.net> Cc: freebsd-stable@freebsd.org Subject: Re: 2.4TB disk - MBR and GPT coexist? Message-ID: <003901c73613$fbec14a0$3301a8c0@janmxp> References: <45A5FD8A.6080409@svcolo.com><2918081F-D376-410B-B6FD-42BDD3323575@svcolo.com><20070111213444.GB17185@zone3000.net><D0D0CE06-B991-4945-B12B-152BA930106B@svcolo.com><20070112005510.2e145462.torfinn.ingolfsen@broadpark.no> <669E8D5D-E286-42DC-800F-24D7DDB2469F@svcolo.com> <000901c735fc$d180ac10$3301a8c0@janmxp> <Pine.OSX.4.64.0701112302140.13775@white.nat.fasttrackmonkey.com> <FE0A4E4A-63B8-430F-9E35-65C2EE9BD0B1@svcolo.com> <Pine.OSX.4.64.0701120040130.13775@white.nat.fasttrackmonkey.com> <DC221724-7005-4525-9F71-B7D136B116FA@svcolo.com>
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Jo Rhett wrote: > On Jan 11, 2007, at 10:00 PM, Charles Sprickman wrote: >> On Thu, 11 Jan 2007, Jo Rhett wrote: >> >>>>>> Not any one that I've ever seen in commodity disks. Yes, on big >>>>>> fiber channel disk cabinets. No to 6-8 drive raid controllers. >>>>> I'd be very surprised if you can't. You can certainly do it with >>>>> Areca (arcmsr(4)), HP (ciss(4)), IBM ServeRAID (ips(4)), although the >>>>> details vary. >>> >>> On Jan 11, 2007, at 8:02 PM, Charles Sprickman wrote: >>>> I can confirm 3Ware controllers also work that way. >>> >>> Please enlighten me. I see no such options in the BIOS menu. >> >> I've done it in 3DM2, but look at pages 23+24 (printed page numbers) >> here and the stuff regarding setting up a seperate boot volume: >> >> http://www.3ware.com/support/UserDocs/3ware9590SEUsrGuide.pdf > > Those are CLI functions. Which means you have to boot to run the CLI, so > cart->horse. > > Sorry for being terse, but I have to solve the boot problem which is what > started this conversation. > > For data arrays not part of boot, I could simply use GPT and be done with > it. I only need small volumes to solve the boot problem. I just had a look at that documentation. Not far before the referenced pages it says to hit "ALT-3" to enter the BIOS configuration, and then describes the procedure for creating a unit including creating a "boot unit". No operating system is required at that stage. The only 3ware controller I have here is an old 6000 series controller, but it functions in the same way: When booting the machine, enter the magic keystrokes, use the BIOS utility to configure the volumes, then continue with the installation. Do you see the "boot unit" option when use use ALT-3 to enter the 3ware configuration BIOS? Regards, Jan.
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