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Date:      Wed, 30 Jan 2013 20:05:47 -0700
From:      Gary Aitken <freebsd@dreamchaser.org>
To:        Warren Block <wblock@wonkity.com>
Cc:        FreeBSD Mailing List <freebsd-questions@freebsd.org>
Subject:   Re: 9.1 install wipes out gpart boot blocks?
Message-ID:  <5109DF8B.3030109@dreamchaser.org>
In-Reply-To: <alpine.BSF.2.00.1301301656400.42000@wonkity.com>
References:  <510990EF.9040101@dreamchaser.org> <alpine.BSF.2.00.1301301656400.42000@wonkity.com>

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On 01/30/13 17:20, Warren Block wrote:
> On Wed, 30 Jan 2013, Gary Aitken wrote:

>>  clean up (delete) the original partitions
>>  gpart destroy ada3
> 
> These two steps can be replaced with
>   gpart destroy -F ada3

I prefer doing it piecemeal to see what's happening when along the way.

>>  gpart create -s GPT ada3
>>  gpart bootcode -b /boot/pmbr ada3
>>  gpart add -t freebsd-boot -i 1 -s 512K -l gptboot ada3
>>  gpart bootcode -p /boot/gptboot -i 1 ada3
> 
> I do the bootcode in one step:
>   gpart bootcode -b /boot/pmbr -p /boot/gptboot -i 1 ada3

Again, I prefer incremental steps so it's more obvious what any diagnostics
are referring to, if they should appear.

>>  gpart add -t freebsd-ufs -a 4K -b 1M -s 4G -i 2 -l fbsdroot ada3  # /
>>  gpart add -t freebsd-swap -a 4K -s 2G -i 3 -l fbsdswap ada3     # swap
>>  gpart add -t freebsd-ufs -a 4K -s 2G -i 4 -l fbsdvar ada3         # /var
>>  gpart add -t freebsd-ufs -a 4K -s 2G -i 5 -l fbsdtmp ada3         # /tmp
>>  gpart add -t freebsd-ufs -a 4K -i 6 -l fbsdusr ada3               # /usr
> 
> It's not necessary to use partition numbers with "add", gpart will just use the next one available.

True, but if things get out of order for some reason, then you have a mess.

> Here are my notes:
> http://www.wonkity.com/~wblock/docs/html/disksetup.html

Thanks, already read that and bookmarked it quite a while ago.




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