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Date:      Sun, 17 Nov 2013 16:51:42 +0330
From:      saeedeh motlagh <>
To:        Erich Dollansky <>
Cc:        s m <>, freebsd-questions <>
Subject:   Re: how install two freebsd9.2 on one disk?
Message-ID:  <>
In-Reply-To: <>
References:  <> <>

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thanks guys for your useful reply.

 thanks Polytropon for your complete answer. it helps me a lot. just i
don't know how use boot manager yet. i create gpt partitions and install 2
freebsd 9.2 on them (ada0p2 is / for the first OS and ada0p6 is / for the
second one) but after restart, none of them boot.
should i copy pmbr and gptboot by "gpart bootcode" command on ada0?
(although i do it and nothing change) if not, where is boot manager and how
should i use it? i think something should be done about boot partition
(ada0p1), don't it? please help me to boot my 2 OS correctly.

thanks in advance

On Sun, Nov 17, 2013 at 2:21 PM, Erich Dollansky <> wrote:

> Hi,
> On Sun, 17 Nov 2013 13:51:07 +0330
> s m <> wrote:
> > hello every one
> >
> > for some reason, i want to install two freebsd9.2 OS on one SSD. is it
> > possible?? i have problem in partitioning my disk for two OS. you know
> > there is just one ada0 which can be partitioned.
> > if i define more partitions on ada0, can i use some of them for the
> > first OS and the others for second one? if yes, how can i manage
> > booting? how and where should i install boot manager in order to
> > manage them in booting time??
> >
> > any comments or hints are appreciated
> it should be possible. You need two containers for the FreeBSD
> partitions. To get them, you have to start the installer and add
> partitions manually. Select your installation disk, i.e. ada0. If it is
> not empty, delete what is there and add the first container (slice)
> do it using 50% of the disk. Add then inside this slice (ada0s1) the
> partitions you want. When you start the second installation, use the
> remaining space. This will result in a second slice (ada0s2) if I
> remember right.
> You will need a boot manager. I did not see the question to use one in
> the installer recently.
> Erich
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