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Date:      Sun, 28 Jul 2013 18:07:02 +0200 (CEST)
From:      Conny Andersson <ataraxi@telia.com>
To:        Peter Andreev <andreev.peter@gmail.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: FreeBSD slices and the Boot Manager
Message-ID:  <alpine.BSF.2.00.1307281752360.1471@alice.nodomain.nowhere>
In-Reply-To: <CAE_wXn1J3r%2B4FWJGz-NJcjNquYNVL%2B3fj2ncz9dw=5vvbeUpHg@mail.gmail.com>
References:  <alpine.BSF.2.00.1306291951460.1488@alice.nodomain.nowhere> <CAE_wXn1J3r%2B4FWJGz-NJcjNquYNVL%2B3fj2ncz9dw=5vvbeUpHg@mail.gmail.com>

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Hi Peter,

I need much more disk space for the FreeBSD 8.4-RELEASE, so I will need the 
space of the two 'old' slices.

Thanks,

Conny


> On Sun, 28 Jul 2013, Peter Andreev wrote:

> Why wouldn't you simply update your 8.1 to 8.4?
>
>
> 2013/7/27 Conny Andersson <ataraxi@telia.com>
>
>> Hi,
>>
>> I have a workstation with two factory installed hard disks. The first
>> disk, ada0, is occupied by a Windows 7 Pro OS (mainly kept for the three
>> year warranty of the workstation as Dell techs mostly speak the Microsoft
>> language).
>>
>> Instead I have configured the BIOS to boot from the MBR on the second disk
>> as I most of the time (99%) use FreeBSD. The MBR on ada1 was installed with
>> sysinstall's option "Install the FreeBSD Boot Manager", when I installed
>> the FreeBSD 8.3-RELEASE.
>>
>> (The latest BIOS version 2.4.0 for Dell T1500 does not support
>> UEFI/GPT/GUID.)
>>
>> The second disk ada1, now has three FreeBSD slices:
>>
>> 1) ada1s1 with FreeBSD 8.1-RELEASE
>>
>> 2) ada1s2 with FreeBSD 8.2-RELEASE
>>
>> 3) ada1s3 with FreeBSD 8.3-RELEASE
>>
>> I want to install the new FreeBSD 8.4-RELEASE on ada1s1 by overwriting the
>> now existing two first slices. This means that ada1s3, must become ada1s2
>> instead. Is this possible to do?
>>
>> A very important question is if sysinstall's option "Install the FreeBSD
>> Boot Manager" detects that I have a FreeBSD 8.3 and detect it as slice 2 on
>> disk 1? So it becomes a boot option when I am rebooting? (Maybe the slice
>> may come up as ad6s2, because AHCI in FreeBSD 8.4 isn't enabled at the time
>> of the install.)
>>
>> If the answer to these questions is yes, then the next two questions arise.
>>
>> Can I mount ada1s2a (FreeBSD 8.3) from the newly installed FreeBSD 8.4 and
>> edit my FreeBSD's 8.3-R /etc/fstab according to the new disk layout, and
>> occasionally run FreeBSD 8.3 without problems? Or do I have to do more to
>> get it to work?
>>
>> The idea behind this kind of 'reverse' disk layout of mine is to have
>> FreeBSD 8.4 as my new default OS. And have FreeBSD 8.3 untouched for
>> configuring FreeBSD 8.4 and booting into it when ever needed. If I can do
>> this as described above, I will have plenty of space on the disk for the
>> future and a new FreeBSD release.
>>
>>
>> Thanks for your interest in my questions,
>>
>> Conny Andersson
>>
>> =-=-=-=-=-=-=-=-=-=
>>   Conny Andersson
>> <ataraxi@telia.com>
>> =-=-=-=-=-=-=-=-=-=



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