Date: Wed, 25 Aug 2010 10:24:16 +0200 From: Heinrich Rebehn <rebehn@ant.uni-bremen.de> To: Marco van Tol <marco@tols.org> Cc: freebsd-stable@freebsd.org Subject: Re: zfs sharenfs with multiple hosts/networks and options Message-ID: <CF477513-9E8F-4926-B838-3BFF84FD86A2@ant.uni-bremen.de> In-Reply-To: <20100825080334.GA24997@tolstoy.tols.org> References: <3D57D985-4B4D-4657-86E0-C93EFB3549CC@ant.uni-bremen.de> <20100825080334.GA24997@tolstoy.tols.org>
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On 25.08.2010, at 10:03, Marco van Tol wrote: > On Wed, Aug 25, 2010 at 09:47:13AM +0200, Heinrich Rebehn wrote: >> Hi list, >> >> with traditional /etc/exports i can do >> >> /export/linux/root -ro xxx.xxx.xxx.0/24 >> /export/linux/root -maproot=0 xxx.xxx.xxx.1 >> >> How can i do this using zfs's sharenfs option? >> >> When i try >> >> zfs set sharenfs="-ro -network xxx.xxx.xxx.0/24,-maproot=0 xxx.xxx.xxx.1" data/linux/root >> >> /var/log/messages shows "network/host conflict" and "bad exports list line. >> >> The general problem seems to be that with each "zfs set sharenfs" command, the corresponding in /etc/zfs/exports gets overwritten. >> >> Is there a workaround for this besides ignoring sharenfs and using hand edited /etc/exports? >> >> Thanks for any help, > > In december '09 I started a thread about it in freebsd-fs@. > Subject: zfs sharenfs to multiple subnets - found a dirty looking hack > > I found a dirty hack to do what you need there. Not sure there is a > more elegant way to do it already, would be nice. > > Marco I already found your hack (after starting this thread) and it does work. However, when i then use zfs to create a descendant filesystem, things go wrong because when inheriting the sharenfs property from the parent, zfs does not adjust the mountpoint that i used in the hack. Similar problems will probably arise if one choses to change the mountpoint of the filesystem afterwards. Thanks anyway for the hint! -Heinrich > > -- > Now watch me snatch defeat from the jaws of victory > - "Rigoletto" during a game on www.dailygammon.com > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > Heinrich Rebehn University of Bremen Physics / Electrical and Electronics Engineering - Department of Telecommunications - Phone : +49/421/218-62394 Fax : -3341
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