On Thu, 22 Nov 2012, Leslie Jensen wrote:
Warren Block skrev 2012-11-22 05:19:
On Wed, 21 Nov 2012, Warren Block wrote:
Got a chance to set up a scratch drive and check this. Turns out I
left out the step of creating a "slice" (MBR partition) to hold the
FreeBSD partitions. Also, GPT labels cannot be used in an MBR. Fixed
below. I will probably add this to my disk setup article because it
has come up more than once.
The fdisk/bsdlabel section of my disk setup article has been rewritten
to use gpart. Feedback welcome.
http://www.wonkity.com/~wblock/docs/html/disksetup.html
Thank you very much for your work on this. I have found this conversation and
your article very informative.
I've already installed W7 on my SSD but I let the installation program create
the windows (MBR) partition.
I'm going to install FreeBSD 9.1 as soon as it is ready so I want to ask if
it is straight forward if I follow your instructions for creating the bsd
slice and partitions, or if I need to check anything in order to get the
correct alignment?
The process should be correct, but it's new, so there may still be
unexpected inaccuracy.
As far as alignment on MBR, the trick is to use -a when creating the
FreeBSD partitions. MBR slices are aligned to CHS values, pretty much
assuring they will not be aligned to 4K boundaries. Using -a4k when
creating FreeBSD partitions inside those misaligned slices will make
sure the partitions are correctly aligned.
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