Date: Sun, 28 Apr 2013 18:57:00 -0700 From: Jeremy Chadwick <jdc@koitsu.org> To: Olav =?unknown-8bit?B?R3L4buVz?= Gjerde <olavgg@gmail.com> Cc: freebsd-fs@freebsd.org Subject: Re: nfsv3 vs nfsv4 ? advantages of moving to v4? Message-ID: <20130429015700.GA91179@icarus.home.lan> In-Reply-To: <CALL7tK9iJG16doPS7MU55Bm-RURd6jXDmU_8uQkYTKKF3qWkRQ@mail.gmail.com> References: <CALL7tK8Fvy-pLvp3uiONwS1ynqT%2B7-633X2Mx5AvjpM7mH2imQ@mail.gmail.com> <20130428145805.GA81766@icarus.home.lan> <CALL7tK9iJG16doPS7MU55Bm-RURd6jXDmU_8uQkYTKKF3qWkRQ@mail.gmail.com>
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On Sun, Apr 28, 2013 at 07:10:03PM +0200, Olav Grns Gjerde wrote: > If you have three ZFS filesystems: > tank > tank/backup > tank/home > > And if you export /tank with nfsv3, you don't really export /tank/backup > and /tank/home. > You only export the folders, but not it's content > I think it has to do with that you cannot export mounted filesystems within > one exported filesystem. > > With nfsv4 you will with only one export of /tank, export all three, > including /tank/backup and /tank/home > > This was an issue 18 months ago, I cannot confirm if it's still an issue. Maybe I'm still misunderstanding, but it sounds like what you want (for NFSv3) is the -alldirs option, e.g.: /tank -alldirs 10.0.0.20 Which would allow 10.0.0.20 to mount /tank, /tank/backup, /tank/home, or whatever else under /tank, with NFSv3. -- | Jeremy Chadwick jdc@koitsu.org | | UNIX Systems Administrator http://jdc.koitsu.org/ | | Mountain View, CA, US | | Making life hard for others since 1977. PGP 4BD6C0CB |
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