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Subject: [Bug 198380] Can't install using MBR
Date: Tue, 10 Mar 2015 00:17:21 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198380

--- Comment #4 from jason.unovitch@gmail.com ---
(In reply to Blake McBride from comment #3)

Actually, what's with the 'freebsd-boot' partition with MBR?  That's for
bootstrap code and for GPT.  What you would probably want it something like
this for MBR.

ada0 MBR
adas1 #GB BSD
adas1a freebsd-ufs #GB /
adas1b freebsd-swap #GB none

An FYI, getting to the root cause of the issue with MBR/GPT selection, the SVN
log does say more work is needed but r277950 in HEAD [1] may be the future fix
for using MBR where appropriate.

[1] https://svnweb.freebsd.org/base?view=revision&revision=277950

Some general thoughts on the issue:
- Using the wrong size or mount point in bsdinstall(8) gives a usable error
message output. Using the wrong partition type is pretty darn vague.
- The Handbook does mention partitions and give examples but it's all GPT
focused [2].  And there is no big letters saying don't use freebsd-boot for MBR
other than it being under sections that say it's a GPT example.  Some details
showing MBR would be helpful.

[2]
https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/bsdinstall-partitioning.html

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