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Date:      Mon, 09 Aug 2021 17:17:00 +0000
From:      "Dave Cottlehuber" <dch@skunkwerks.at>
To:        freebsd-current@freebsd.org
Cc:        "Gary Jennejohn" <gljennjohn@gmail.com>, daniel@morante.net
Subject:   Re: dumpdev AUTO in rc.conf does not work
Message-ID:  <89ece7c0-903a-457d-9472-e3994408f51d@www.fastmail.com>
In-Reply-To: <20210809155406.6c262dfb@ernst.home>
References:  <fba71308-5c1c-8fa2-a058-467edcbbe693@morante.net> <20210808070328.3d571ed1@ernst.home> <2ff4128a-6ad8-fbea-5b33-bfe9b9af9a4e@morante.net> <20210809065407.5615586c@ernst.home> <8580eccc-841c-411e-aefc-07a59cc3fc21@www.fastmail.com> <20210809155406.6c262dfb@ernst.home>

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On Mon, 9 Aug 2021, at 15:54, Gary Jennejohn wrote:
> Maybe his problem arises from use of /dev/gpt/swap?  That's a difference
> between his setup and your setup.

good point, after amending fstab and checking gpt labels carefully, it still
works ok for me:

root@a01 /u/h/dch# gpart show
=>      40  97677232  da0  GPT  (47G)
        40    532480    1  efi  (260M)
    532520      2008       - free -  (1.0M)
    534528   8388608    2  freebsd-swap  (4.0G)
   8923136  88754136    3  freebsd-zfs  (42G)

root@a01 /u/h/dch# grep swap /etc/fstab
/dev/gpt/swap0          none            swap    sw                      0       0

root@a01 /u/h/dch# swapinfo
Device          512-blocks     Used    Avail Capacity
/dev/gpt/swap0     8388608        0  8388608     0%

root@a01 /u/h/dch# sysrc dumpdev
dumpdev: AUTO

root@a01 /u/h/dch# dumpon -l
gpt/swap0


I do have these set in loader.conf, though, switching them off makes no difference:

root@a01 /u/h/dch# grep geom /boot/loader.conf
kern.geom.label.disk_ident.enable="0"
kern.geom.label.gptid.enable="0"

A+
Dave



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