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Date:      Sun, 04 Nov 2012 13:42:38 +0100
From:      Bas Smeelen <b.smeelen@ose.nl>
To:        freebsd-stable@freebsd.org
Subject:   Re: SU+J on 9.1-RC2 ISO
Message-ID:  <509662BE.3070600@ose.nl>
In-Reply-To: <20121104.211336.244701604.hatanou@infolab.ne.jp>
References:  <20121103190930.GA23145@icarus.home.lan> <5095B89F.4070705@freebsd.org> <20121104.211336.244701604.hatanou@infolab.ne.jp>

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On 11/04/2012 01=3A13 PM=2C HATANO Tomomi wrote=3A
=3E Hi all=2E
=3E
=3E The point is=3A
=3E
=3E      There is completely no way to take a snapshot of SU+J partition
=3E      unless modify one=27s kernel=2E
=3E
=3E Whether some issue still exist or not=2C
=3E how about enabling snapshoting SU+J partition
=3E through sysctl variable=3F
=3E
=3E Would you mind to see patch attached=3F
=3E
=3E 1=2E Taking a snapshot of SU+J partition is controlled through sysctl v=
ariable=2E
=3E
=3E 2=2E Default to disable=2E
=3E     One who want to enable it should set the variable manually=2E
=3E
=3E 3=2E The default value in bsdinstall=288=29 may be left as is=2E

Hi
If I understand correctly this still leaves your default installed=20
system with SU+J and if you set the sysctl variable it means okay I am=20=

prepared for trouble when taking a snapshot of a SU+J filesystem=3F
Why would I want a sysctl variable that gives me known trouble=3F
Or have I misread your patch=3F

When taking a snapshot of a SU+J filesystem we already get the nice not=20=

supported error instead of getting into trouble=2E

I think SU+J should not be default unless it works fine with the rest of=20=

the system as described in the handbook=2E




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