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Date:      Wed, 24 Sep 2008 23:25:21 +0400 (MSD)
From:      Dmitry Morozovsky <marck@rinet.ru>
To:        Marcel Moolenaar <xcllnt@mac.com>
Cc:        freebsd-fs@freebsd.org, marcel@freebsd.org
Subject:   Re: gpt in-place editing
Message-ID:  <alpine.BSF.2.00.0809242322150.6411@woozle.rinet.ru>
In-Reply-To: <10218E29-D89D-40BB-BACF-9DFB131974E7@mac.com>
References:  <alpine.BSF.2.00.0809170054290.19038@woozle.rinet.ru> <20080921140932.adf51b5e.stas@FreeBSD.org> <alpine.BSF.2.00.0809222202460.94747@woozle.rinet.ru> <10719B6B-1F3B-44C6-BAC0-D8C3F42F7F3F@mac.com> <alpine.BSF.2.00.0809230132120.5027@woozle.rinet.ru> <10218E29-D89D-40BB-BACF-9DFB131974E7@mac.com>

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On Mon, 22 Sep 2008, Marcel Moolenaar wrote:

MM> > MM> > It does not seem gpart wants allow me to delete da0p3 while disk is
MM> > MM> > active...
MM> > MM>
MM> > MM> You probably have swapon and/or dumpon to set to the partition.
MM> > MM> You can't remove a partition that is in use.
MM> > MM>
MM> > MM> Run "swapoff /dev/da0p3" and/or "dumpon off" first.
MM> > 
MM> > Of course I did run swapoff; I'm not sure I did dumpoff, and unfortunately
MM> > I
MM> > did not run it under script(1). gpt (I did test under RELENG_7) does the
MM> > trick,
MM> > but --
MM> > 
MM> > However, we clearly have at least one bug: not creating da* device (for
MM> > da0p5
MM> > in my case)
MM> 
MM> You can't make that claim. You've forced the issue
MM> by setting debugflags and bypassing gpart. As such,
MM> gpart is unaware of the new partition (it wasn't
MM> involved in the creation) and it isn't being made
MM> aware, because the underlying geom isn't spoiled
MM> (which would trigger a retaste).

I made a retest tonight, and found that gpart is actually doing things quite 
right (my fault in previous experiment seems to be that I did not check for 
filt system types, and gpart does not understand short types like 'ufs').

Also, gpart does not allow default values in add phase, which is a bit 
annoying, especially when you create last partition; but we can live with this 
I hope ;)

Thank you.


Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer:                                 marck@FreeBSD.org ]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru ***
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