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Date:      Wed, 23 Feb 2011 10:15:09 -0600
From:      "James R. Van Artsdalen" <james-freebsd-current@jrv.org>
To:        Peter Jeremy <peterjeremy@acm.org>
Cc:        freebsd-current@freebsd.org, freebsd-sysinstall@freebsd.org, freebsd-arch@freebsd.org
Subject:   Re: FreeBSD Installer Roadmap
Message-ID:  <4D65328D.3050709@jrv.org>
In-Reply-To: <20110222205741.GA34103@server.vk2pj.dyndns.org>
References:  <4D35CFFB.3010302@freebsd.org> <201102211612.51233.josh@tcbug.org>	<EA1368DF-9728-4492-B1FC-5F7C2B521DE7@vicor.com>	<201102220103.20158.josh@tcbug.org>	<D51E46BA-8902-4C42-A785-7EBF9F7A9B44@vicor.com> <20110222205741.GA34103@server.vk2pj.dyndns.org>

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On 2/22/2011 2:57 PM, Peter Jeremy wrote:
> When that does come, it will probably be driven by BIOS and hardware
> vendors dropping support for MBR.

MBR is not a BIOS concept.  MBR is an OS thing.  The BIOS does not care
or know what kind of partitioning you use, or if you partition at all.

A GPT disk with FreeBSD  should boot fine on a quarter-century-old IBM
PC/AT, until FreeBSD's "don't support 80286" message.

There may be SSDs that know about MBR - I don't know - but otherwise
hardware does not care either.

>> We've yet to see a "must have" technology that would require us to
>> shun sysinstall (as explained earlier, we have no desire whatsoever
>> to boot from ZFS, gmirror, geli, GPT, or anything else missing from
>> sysinstall).

Two vendors have released 3 TB disks and there will be more large disks
released before 9.0-RELEASE.  sysinstall needs to behave well with them.

As stated, it's common to boot from ZFS, mirrors, or GPT disks.  These
aren't blocker issues now.


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