Date: Tue, 8 Jan 2002 18:26:40 +0100 From: Julio Merino <juli@merino.net> To: freebsd-questions@FreeBSD.ORG, current-users@netbsd.org Subject: Re: filesystem sharing between *BSDs on x86 Message-ID: <20020108182640.A1266@klamath.local> In-Reply-To: <20020108155610.C3610@aurema.com>; from vance@aurema.com on Tue, Jan 08, 2002 at 03:56:10PM %2B1100 References: <20020108155610.C3610@aurema.com>
next in thread | previous in thread | raw e-mail | index | archive | help
--wRRV7LY7NUeQGEoC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jan 08, 2002 at 03:56:10PM +1100, Christopher Vance wrote: > I note that NetBSD and OpenBSD (now) have their own partition types, > distinct from the old 386BSD one still used by FreeBSD. >=20 > I note that FreeBSD (now) has per-partition disk labels, requiring > relative offsets within partition, while NetBSD and OpenBSD have > per-disk labels, requiring absolute offsets within disk. >=20 > Assuming I put the right values into the relevant disk labels, is > there some way that <x>BSD can read and/or read-write ffs partitions > created by <y>BSD for <x> !=3D <y>. (The partitions are all on the same > disk, so I'm looking at mount -t ufs ...) >=20 > Which combinations can read? Which combinations can write? >=20 > Are the on-disk structures similar, or have they diverged in > subtle/dangerous ways? NetBSD understands FreeBSD disklabels. It will notice you with something like: WARING: old disklabel type But ignore it. NetBSD will read partitions inside the disklabel perfectly. But be careful about utilities that can write to it, such as mbrlabel. If you run it forcing the write... heh, you won't like it, belive me. HTH >=20 > Any caveats? >=20 > --=20 > Christopher Vance >=20 > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message --=20 La ignorancia es la felicidad. Julio Merino (Slink) <juli@merino.net> --wRRV7LY7NUeQGEoC Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE8OyvQzz00ZOPKycwRAmmPAJ98bqTXSjdv2iD+Q6Hdo7h0Jz7WigCgpkSV YXxaUKoSLHrOyrdY3Me6yyA= =y26S -----END PGP SIGNATURE----- --wRRV7LY7NUeQGEoC-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20020108182640.A1266>