From: James Pearson Subject: Re: file :"/var/lib/nfs/rmtab" Date: Fri, 04 Feb 2005 14:57:57 +0000 Message-ID: <42038D75.4010609@moving-picture.com> References: <20050204132234.27979.qmail@web51604.mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Cc: nfs@lists.sourceforge.net Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.11] helo=sc8-sf-mx1.sourceforge.net) by sc8-sf-list2.sourceforge.net with esmtp (Exim 4.30) id 1Cx4uF-0001uK-Ek for nfs@lists.sourceforge.net; Fri, 04 Feb 2005 06:57:59 -0800 Received: from mpc-26.sohonet.co.uk ([193.203.82.251] helo=moving-picture.com) by sc8-sf-mx1.sourceforge.net with esmtp (Exim 4.41) id 1Cx4uE-0008U6-Lg for nfs@lists.sourceforge.net; Fri, 04 Feb 2005 06:57:59 -0800 To: mehta kiran In-Reply-To: <20050204132234.27979.qmail@web51604.mail.yahoo.com> Sender: nfs-admin@lists.sourceforge.net Errors-To: nfs-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: Discussion of NFS under Linux development, interoperability, and testing. List-Post: List-Help: List-Subscribe: , List-Archive: '/etc/init.d/nfs stop' on Redhat/Fedora boxes kills mountd What order does exportfs, nfsd and mountd get started or your system? On my box it is: exportfs nfsd mountd However, if I run exportfs after mountd, then I get a stale NFS file handle James Pearson mehta kiran wrote: > Hi James , > I am working on suse box.(2.6 kernel). > You mounted nfsd filesystem and then > you ran a script /etc/init.d/nfs. > > Does this script starts and kills all nfs > daemons.? Can u verify whether it kills > mountd or not.? > > If mountd is not killed everthing works fine. > because it is mountd which reads rmtab.If it > is not restarted , it has all its data intact > and hence wont read rmtab.Thus , removing > entry from rmtab wont cause any problem. > > thanks, > --kiran > > > --- James Pearson wrote: > > >>What version of nfs-utils are you running? >> >>I've just tried (on a 2.6 kernel Fedora box): >> >>mount -t nfsd nfsd /proc/fs/nfsd >>/etc/init.d/nfs start >> >>mount an exported file system on a client >> >>edit /var/lib/nfs/rmtab and removed the line >>corresponding to the client >> >>/etc/init.d/nfs stop >>/etc/init.d/nfs start >> >>Accessed the mount point on the client - no stale >>handle ... >> >>... and the deleted line 'magically' reappears in >>/var/lib/nfs/rmtab >> >>James Pearson >> >>mehta kiran wrote: >> >>>hi James , >>> it did not help. >>> Enmtry in rmtab file is still used. >>>thanks for ur reply, >>> kiran >>> >>>--- James Pearson >> >>wrote: >> >>> >>>>Did you do 'mount -t nfsd nfsd /proc/fs/nfsd' >> >>before >> >>>>starting all the >>>>nfs daemons? >>>> >>>>James Pearson >>>> >>>>mehta kiran wrote: >>>> >>>> >>>>>I am using 2.6 kernel >>>>>--- mehta kiran wrote: >>>>> >>>>> >>>>> >>>>> >>>>>>Hi , >>>>>> if handle supplied by client is >>>> >>>>sufficient >>>> >>>> >>>>>>, >>>>>>then why does the problem given below exists. >>>>>> >>>>>>1. export filesystem to client. >>>>>>2. let client allow to mount it. >>>>>>3. remove all entries from rmtab on server. >>>>>>4. restart all nfs daemons. >>>>>>5. Now if client access filesystem , it gets >>>>>> permission denied error.Client can access >>>>>> filesystem only after remounting it. >>>>>>6. This show that mountd still uses rmtab to >>>>>> check if client had mounted filesystem or not. >>>>>> No entry in rmtab for a client means it has >> >>not >> >>>>>> mounted filesystem. >>>>>> >>>>>>thanks, >>>>>>--kiran >>>>>> >>>>>>--- Paul Clements >>>>>>wrote: >>>>>> >>>>>> >>>>>> >>>>>> >>>>>>>mehta kiran wrote: >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>>>Isn't handle supplied by client >>>>>>>> enough to verify clients access to >>>>>>>> filesystem.? >>>>>>> >>>>>>>Yes, it should be. That's why in 2.6, the rmtab >>>>>> >>>>>>file >>>>>> >>>>>> >>>>>> >>>>>>>is no longer relied >>>>>>>upon. Instead, there is a special filesystem, >>>>>>>/proc/fs/nfsd, that allows >>>>>>>the kernel to communicate with mountd in order >> >>to >> >>>>>>>authenticate >>>>>>>unrecognized clients automatically. >>>>>>> >>>>>>>-- >>>>>>>Paul >>>>>>> >>>>>>> >>>>>>> >>>>>> > ------------------------------------------------------- > >>>>>>>This SF.Net email is sponsored by: IntelliVIEW >> >>-- >> >>>>>>>Interactive Reporting >>>>>>>Tool for open source databases. Create >>>> >>>>drag-&-drop >>>> >>>> >>>>>>>reports. Save time >>>>>>>by over 75%! Publish reports on the web. Export >>>> >>>>to >>>> >>>> >>>>>>>DOC, XLS, RTF, etc. >>>>>>>Download a FREE copy at >>>>>>>http://www.intelliview.com/go/osdn_nl >>>>>>>_______________________________________________ >>>>>>>NFS maillist - NFS@lists.sourceforge.net >> >>>>>>https://lists.sourceforge.net/lists/listinfo/nfs >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>>__________________________________ >>>>>>Do you Yahoo!? >>>>>>Yahoo! Mail - You care about security. So do we. >> >>>>>>http://promotions.yahoo.com/new_mail >>>>>> >>>>>> >>>>>> >>>>> >>>>> > ------------------------------------------------------- > >>>>>>This SF.Net email is sponsored by: IntelliVIEW >> >>-- >> >>>>>>Interactive Reporting >>>>>>Tool for open source databases. Create >> >>drag-&-drop >> >>>>>>reports. Save time >>>>>>by over 75%! Publish reports on the web. Export >> >>to >> >>>>>>DOC, XLS, RTF, etc. >>>>>>Download a FREE copy at >>>>>>http://www.intelliview.com/go/osdn_nl >>>>>>_______________________________________________ >>>>>>NFS maillist - NFS@lists.sourceforge.net >>>>>>https://lists.sourceforge.net/lists/listinfo/nfs >>>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>>__________________________________ >>>>>Do you Yahoo!? >>>>>Meet the all-new My Yahoo! - Try it today! >>>>>http://my.yahoo.com >>>>> >>>>> >>>>> >>>>> >>>>> >>>> > ------------------------------------------------------- > >>>>>This SF.Net email is sponsored by: IntelliVIEW -- >>>> >>>>Interactive Reporting >>>> >>>> >>>>>Tool for open source databases. Create >> >>drag-&-drop >> >>>>reports. Save time >>>> >>>> >>>>>by over 75%! Publish reports on the web. Export >> >>to >> >>>>DOC, XLS, RTF, etc. >>>> >>>> >>>>>Download a FREE copy at >>>> >>>>http://www.intelliview.com/go/osdn_nl >>>> >>>> >>>>>_______________________________________________ >>>>>NFS maillist - NFS@lists.sourceforge.net >>>>>https://lists.sourceforge.net/lists/listinfo/nfs >>>>> >>>> >>>> > === message truncated === > > > > > __________________________________ > Do you Yahoo!? > Yahoo! Mail - Easier than ever with enhanced search. Learn more. > http://info.mail.yahoo.com/mail_250 > ------------------------------------------------------- This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting Tool for open source databases. Create drag-&-drop reports. Save time by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc. Download a FREE copy at http://www.intelliview.com/go/osdn_nl _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs