Date: Mon, 24 Apr 2017 17:22:36 +1000 From: Felix Friedlander <felixphew0@gmail.com> To: Thomas Mueller <mueller6722@twc.com> Cc: freebsd-questions@freebsd.org Subject: Re: Accessing UFS partitions from a Macbook Message-ID: <C6E5F557-1246-44F5-B920-0CF152921DC8@gmail.com> In-Reply-To: <97.AF.29375.8DC6CF85@dnvrco-omsmta02> References: <20170420233840.N9330@sola.nimnet.asn.au> <CAFYkXjmuWxi-8VCLCc-Ks_Ct=Ezw22z6nWb5QJiwB4CPrXbaRQ@mail.gmail.com> <20170421011323.Q9330@sola.nimnet.asn.au> <CAFYkXjkmW-WjAyx2QSjLo3ZLZCvDmWpvYbK7c95VHva=%2By_O7g@mail.gmail.com> <20170421021427.F9330@sola.nimnet.asn.au> <97.AF.29375.8DC6CF85@dnvrco-omsmta02>
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>> Considering how BSD-ish it seems in Terminal - df, du and other = commands >> working as expected - I was a bit surprised that it doesn't support = UFS >> natively, given its heritage. When I first ran mount it complained - = as >> will FreeBSD without an fstab entry - about needing the -t switch, = but >> 'mount -t ufs' didn't complain about that but a (not) missing = directory. >=20 > There might be differences resulting in incompatibility between the = versions of UFS in various BSDs, and Mac OS main filesystem is HFS+. >=20 > I noticed, after downloading DragonFlyBSD installation image, dd'ing = to USB stick, and booting, it could read GPT partition table but was = unable to mount any FreeBSD and NetBSD partitions. >=20 > Last DragonFlyBSD image I downloaded and dd'ed to USB stick didn't = even get through the boot. >=20 > FreeBSD and NetBSD were unable to mount the DragonFly USB-stick = partition. >=20 > There is also the issue of BSD disklabels when using MBR, and one BSD = not being able to read the other's disklabel. OS X did originally support UFS1 (in Disk Utility as well as on the = command line), but it dropped that support many versions ago. UFS2, the = normal version for FreeBSD, was (AFAIK) never supported. Fun fact: OS X also had undocumented, partial support for ZFS at one = stage, but it was dropped - presumably because of a legal dispute with = Oracle. --=20 Felix Friedlander <felixphew0@gmail.com>
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