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Date:      Tue, 21 Jan 2014 10:31:52 +0000
From:      krad <kraduk@gmail.com>
To:        Olivier Nicole <olivier.nicole@cs.ait.ac.th>
Cc:        Polytropon <freebsd@edvax.de>, Ian Smith <smithi@nimnet.asn.au>, "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Subject:   Re: FreeBSD and Linux shared installation
Message-ID:  <CALfReyc_t2dv8p+ZrQnSagYsOwbafQE9B6jAXG5esCo0yjTavA@mail.gmail.com>
In-Reply-To: <CA+g+Bvhfvp4BBTTZd9VU0vppqhQ8Cak=eJGzA4Q23_DLmv+bZA@mail.gmail.com>
References:  <mailman.4159.1390281281.1397.freebsd-questions@freebsd.org> <20140121172736.A25136@sola.nimnet.asn.au> <CA+g+Bvg18ef9jE5xoKhTtQgh_gAPwg6Qd+m2kpgxfa8ZG0K28Q@mail.gmail.com> <20140121193035.K25136@sola.nimnet.asn.au> <CA+g+Bvhfvp4BBTTZd9VU0vppqhQ8Cak=eJGzA4Q23_DLmv+bZA@mail.gmail.com>

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if you want data exchange, you might be better going for nfs or cifs rather
than trying to keep it on disk. All of the issues with fs support then go
away, and you can keep each os install atomic


On 21 January 2014 09:17, Olivier Nicole <olivier.nicole@cs.ait.ac.th>wrote:

> Ian,
>
> > The main issue there is that from FreeBSD you'd be working with a (say)
> > ext2/3 partition as /home, when you really have to be sure that FreeBSD
> > handles R/W flawlessly with it rather than with UFS2+SU(+J), especially
> > regarding crash recovery.  Perhaps with FUSE that might be solid enough,
> > but personally I tend to trust native formats and tools better, whether
> > from the FreeBSD or Linux side.
>
> I think that Linux (Ubuntu) supports UFS. As I have no machine with
> oth system, I never pushed further, but I think I remember seeing an
> option to format a partition using UFS in Ubuntu install.
>
> Let me give it a trty.
>
> Olivier
>
> >
> >  > >  > Extend. #1
> >  > >  >   log. dr. #1        Kali Linux      15 GB   /dev/sda5
> >  > >  >   log. dr. #2        Mageia Linux    15 GB   /dev/sda6
> >  > >
> >  > > From FreeBSD accessing my old OS/2 partitions I seem to recall that
> >  > > /dev/ada0s5 is the ext drive itself, and within would be ada0s6 and
> s7,
> >  > > though the above nomenclature would be right from Linux' POV.
> >  >
> >  > In Linux too (Ubuntu) the Extended #1 is partition #4 and being
> >  > splited into logical partition #5 and #6. Basically what you write
> >  > Ian, but you missed the #4: /dev/ada0s4 is the ext drive itself, and
> >  > within would be ada0s5 and s6...
> >
> > I'm still not sure about that from FreeBSD's perspective.  Remembering
> > back to '98-'99 when I salvaged years of OS/2 work, especially code, and
> > those disks only had 3 primary partitions ('C:', OS/2 Boot Manager, then
> > drives D: through I: or J: on the extended partition, but with no s4 I
> > still had to start at s5, with s6 the first mountable partition (after
> > having built the HPFS code which is still in the tree, at 9.1 anyway).
> >
> > However I may be misremembering (non-ECC memory :) so perhaps Polytropon
> > could show us an 'ls /dev/ada0*' when it's done?
> >
> > cheers, Ian
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