From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christof Koehler Subject: Re: autofs reverts to IPv4 for multi-homed IPv6 server ? Date: Thu, 28 Apr 2016 11:12:19 +0200 Message-ID: <20160428091219.GP30271@bccms.uni-bremen.de> References: <20160409095659.GB15153@bccms.uni-bremen.de> <1461559248.3012.24.camel@themaw.net> <20160425150638.GC30271@bccms.uni-bremen.de> <1461632818.3218.29.camel@themaw.net> <1461664433.3218.42.camel@themaw.net> <20160426152711.GF30271@bccms.uni-bremen.de> <1461722078.4208.31.camel@themaw.net> <20160427165250.GM30271@bccms.uni-bremen.de> <1461812190.3083.101.camel@themaw.net> <1461813711.3083.111.camel@themaw.net> Reply-To: christof.koehler@bccms.uni-bremen.de Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=bccms.uni-bremen.de; s=dkim; t=1461834741; bh=KOwYhE8T6aBghxQjiwk27Pt3tB8ssrueCfvnsDhFJHE=; h=Date:From:To:Cc:Reply-To:References:In-Reply-To; b=HhlCPDNlJprnQAbQSJyZ+Je16cIeUMI8l69HKIb9/kr7PXRlemLFIXBdg/rZHMwIM fN0OIznZuNwfkFZjFcduibV/IFCQdDpsi7nkqsmLXFcckiX5NnqRJP3Bukrqf8M/bq gvR6XFcWtTBbpCR7M5eRIz9rLFS5Y0uFVjF/DRYI= Content-Disposition: inline In-Reply-To: <1461813711.3083.111.camel@themaw.net> Sender: autofs-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="iso-8859-1" To: Ian Kent Cc: autofs@vger.kernel.org Hello, so about the same problem quota/ rpc.quotad has with the export root. I had that already. I will simply try it by installing the server os into another vm.=20 Best Regards Christof On Thu, Apr 28, 2016 at 11:21:51AM +0800, Ian Kent wrote: > On Thu, 2016-04-28 at 10:56 +0800, Ian Kent wrote: > > >=20 > > > Another question: What is your expectation in a situation where o= nly > > > IPv6 is available, no IPv4 for the server ? Is the one mentioned= in > > > #25 of > > > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=3D737679 > > > expected to be still a working solution ? I might have an NFS ser= ver > > > soon > > > which, due to a routing conflict difficult to resolve, would only > > > get > > > an IPv6 address visible to the clients. I should test this case w= ith > > > a > > > dedicated vm as server anyway ... > >=20 > > I think we've covered that above. >=20 > Actually, maybe not. >=20 > There's a rather long story associated with the use of NFSv4 and the = the > associated server mount (or export) path. >=20 > It depends on kernel version and nfs-utils version. >=20 > Put simply Linux NFS originally only allowed the use of "/" for NFSv4 > mounts but autofs couldn't work out if a translation was needed becau= se > of limited information available from the server. >=20 > So Linux NFS was changed to behave like other implementations and all= ow > the same paths as is used in NFSv3 (and v2). That has the benefit of > allowed for consistent fall back from v4 to v3 as well. >=20 > >=20 > > The scenario in that bug shows autofs behaving as expected due to l= ack > > of IPv6 support in glibc I think. > >=20 > > I hope that the autofs ppa version will perform the mount fine, as > > long > > as the server is responding but that's one thing we're here to sort > > out, > > ;) > >=20 > > Ian > > -- > > To unsubscribe from this list: send the line "unsubscribe autofs" i= n --=20 Dr. rer. nat. Christof K=C3=B6hler email: c.koehler@bccms.uni-bre= men.de Universitaet Bremen/ BCCMS phone: +49-(0)421-218-62334 Am Fallturm 1/ TAB/ Raum 3.12 fax: +49-(0)421-218-62770 28359 Bremen =20 PGP: http://www.bccms.uni-bremen.de/cms/people/c_koehler/ -- To unsubscribe from this list: send the line "unsubscribe autofs" in