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Date:      Wed, 9 Jul 2008 15:32:01 +0400 (MSD)
From:      Dmitry Morozovsky <marck@rinet.ru>
To:        Kris Kennaway <kris@FreeBSD.org>
Cc:        current@FreeBSD.org
Subject:   Re: Thinking of using ZFS/FBSD for a backup system
Message-ID:  <20080709152739.Q58331@woozle.rinet.ru>
In-Reply-To: <48749EA7.40702@FreeBSD.org>
References:  <bd9320b30807072315x105cf058tf9f952f0f5bb2a6a@mail.gmail.com> <20080708100701.57031cda@twoflower.in.publishing.hu> <bd9320b30807080131j5e0e02a4y3231d7bfa1738517@mail.gmail.com> <4873C4FA.2020004@FreeBSD.org> <20080709062533.J58331@woozle.rinet.ru> <48749087.4070802@FreeBSD.org> <20080709145010.Q58331@woozle.rinet.ru> <48749EA7.40702@FreeBSD.org>

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On Wed, 9 Jul 2008, Kris Kennaway wrote:

KK> > marck@wizzle:/usr/ports> grep -Ril zfs Tools/
KK> > Tools/portbuild/scripts/claim-chroot
KK> > Tools/portbuild/scripts/clean-chroot
KK> > Tools/portbuild/scripts/cleanup-chroots
KK> > 
KK> > ;-)
KK> > 
KK> > Any pitfalls while using this? Thanks!
KK> 
KK> It's still settling on pointyhat, but you could check it out there if you
KK> like.  The most annoying thing is actually a limitation of the FreeBSD NFS
KK> server, since it returns errors to clients while it is reloading the export
KK> list.

Argh. And, which process is reporting an error? nfsd or some of kthreads? In 
the former case, is it possible to create new master-slave process 
tree, rebinding and signalling old tree to exit when all requests are finished?

The same approach is used by www/nginx to both seamless configuration change 
and also binary file upgrade.

CC:ing -current@ to ensure the theme have a bit broader audience.

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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