Date: Wed, 6 Mar 2002 14:59:05 +0200 From: Ruslan Ermilov <ru@FreeBSD.ORG> To: Gavin Atkinson <gavin.atkinson@ury.york.ac.uk> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: -STABLE and -CURRENT on the same drive? Message-ID: <20020306125905.GI20782@sunbay.com> In-Reply-To: <Pine.BSF.4.33.0203061236560.34315-100000@ury.york.ac.uk> References: <20020306121827.GE20782@sunbay.com> <Pine.BSF.4.33.0203061236560.34315-100000@ury.york.ac.uk>
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On Wed, Mar 06, 2002 at 12:41:22PM +0000, Gavin Atkinson wrote: > On Wed, 6 Mar 2002, Ruslan Ermilov wrote: > > On Wed, Mar 06, 2002 at 12:12:14PM +0000, Gavin Atkinson wrote: > > > > > > I have a laptop which I run STABLE on. I would like to be able to develop > > > code under -CURRENT, and so would like to dual boot the machine. I have a > > > 2 gig slice which is currently free, barring the 5.0 source. I intend to > > > have this slice set as the only slice 5.0 accesses, so /, /var and /user > > > will all be on the same slice. Wjhat is the best way of building world > > > and kernel so that everything goes into /5.0 as the root partition? > > > > > You should build as usual, then install with DESTDIR=/5.0. > > Tanks for that. I suspected it was DESTDIR, but never tried it over an > install as during build it seemed to be ignored and compiled to > /usr/obj/5.0/ . (ie I assumed that it should build things to /5.0/usr/obj. > The source is located on /5.0/usr/src) > > > > THen, > > > how do I get the loader to recognise that is where the kernel lives? I > > > realise there is a kerenl option to tell it where to mount root from, but > > > am at a loss as to how to load the kerenl from it. > > > > > I have it deployed on my box. /dev/ad0a is my -STABLE partition, and > > /dev/ad0d is my -CURRENT partition. At the boot: prompt, if I need to > > load -CURRENT, I simply type: "ad(0,d)". > > Ah, i'm afraid I've confused slices and partitions. Sorry. ad0s1a is my > -STABLE root, ad0s1e is my /5.0 partition. Is it possible to do this, or > will I need to repartition? I believe the ad0s1e partition is within the > 1024 cylinders requirement. > There's no such "requirement" if disk is in LBA mode. Also, IIRC, despite the documented "bios_drive:interface(unit,part) filename [-aCcDdghPprsv]" (in boot(8) manpage) syntax, the actual boot blocks code allows one to specify slice as well: "bios_drive:interface(unit[,slice],part) ...". Cheers, -- Ruslan Ermilov Sysadmin and DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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