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Date:      Thu, 16 Aug 2018 17:57:42 -0700
From:      Randy Bush <randy@psg.com>
To:        Steven Hartland <killing@multiplay.co.uk>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: zfs boot size
Message-ID:  <m2lg95q06x.wl-randy@psg.com>
In-Reply-To: <469d704c-3635-2da9-39b6-1f25eae384d7@multiplay.co.uk>
References:  <m2wosqothk.wl-randy@psg.com> <469d704c-3635-2da9-39b6-1f25eae384d7@multiplay.co.uk>

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> We always put swap directly after it so if a resize is needed its easy
> without and resilvering .

i am an idiot

raid0.dfw.rg.net:/root# gpart backup da0 
GPT 128
1   freebsd-boot         34        128  
2   freebsd-swap        162   33554432  
3    freebsd-zfs   33554594 3873308477  

so something such as

# swapoff
# gpart delete -i 1
# gpart delete -i 2
# gpart add -t freebsd-boot -i 1 -b 40 -s 256
# gpart add -t freebsd-swap -i 2
# some incantation to install zfs boot blocks
# swapon

thanks for clue bat



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