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Subject: [Bug 211361] suggested boot partition size is too small, bsdinstall
 creates unaligned partitions
Date: Mon, 08 Aug 2016 17:52:20 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D211361

--- Comment #15 from Nathan Whitehorn <nwhitehorn@FreeBSD.org> ---
(In reply to Dag-Erling Sm=C3=83=C2=B8rgrav from comment #14)

gpart(8) does know about those things and will align to stripesize -- the l=
ogic
in the installer is copied from the userland code in geom_part.c. And the
installer doesn't know about CHS. The stripe size, in geom, is the canonical
mechanism for recommending IO alignment. Why do we want to break that?

The only partitioning policy choices the installer makes are those involved=
 in
making the system bootable on the given platform (where the bootloader goes=
, in
particular, and which partition schemes are bootable). It tries *very* hard=
 not
to do anything else and, in particular, not to second guess defaults. I wou=
ld
like to keep it that way.

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