Exactly what I was wondering. Because my problems still occured with the 3.0.2 (unpatched). In wich version will it be included? Thanks. Sam Le lundi 08 février 2010 à 00:02 -0600, Pavan Sondur a écrit : > All, > Infact the patch is not included in the 3.0.2 release, just the mainline branch. This patch http://patches.gluster.com/patch/2716/ needs to be applied manually. > > Pavan > > ----- Original Message ----- > From: "Pavan Sondur" <pavan@xxxxxxxxxxx> > To: "Gordan Bobic" <gordan@xxxxxxxxxx> > Cc: "Gluster List" <gluster-devel@xxxxxxxxxx> > Sent: Friday, February 5, 2010 7:43:20 PM GMT +05:30 Chennai, Kolkata, Mumbai, New Delhi > Subject: Re: Posix locks - Patch works > > Yes. This patch is there in 3.0.2 release. > > Pavan > > > ----- Original Message ----- > From: "Gordan Bobic" <gordan@xxxxxxxxxx> > To: "Gluster List" <gluster-devel@xxxxxxxxxx> > Sent: Friday, February 5, 2010 7:18:27 PM GMT +05:30 Chennai, Kolkata, Mumbai, New Delhi > Subject: Re: Posix locks - Patch works > > Will this be included in the 3.0.2 release? > > Gordan > > Samuel Hassine wrote: > > Hi all, > > > > I just patched the GlusterFS Source code with > > http://patches.gluster.com/patch/2716/ . > > > > For PHP Sessions, the problem is solved, it works with the locks > > translator. > > For internal server errors on a huge trafic, same thing, no problem > > anymore. > > > > Thanks a lot. We will send you other feedbacks for the same > > infrastructure (huge trafic) but with a distributed-replicated > > GlusterFS. > > > > Nice job developers :) > > > > Regards. > > > > > > Le vendredi 05 février 2010 à 06:21 -0600, Tejas N. Bhise a écrit : > >> Thanks, Samuel. > >> > >> Also, as mentioned earlier please provide us details of the linux kernel > >> version / Fuse Kernel Module versions on both the servers and the clients used > >> apart from the output of the 'option trace on' in the locks translator. > >> > >> Regards, > >> Tejas. > >> > >> ----- Original Message ----- > >> From: "Samuel Hassine" <samuel.hassine@xxxxxxxxx> > >> To: "Pavan Vilas Sondur" <pavan@xxxxxxxxxxx> > >> Cc: avati@xxxxxxxxxxx, "Yann Autissier" <yann.autissier@xxxxxxxxxxxxxxxxxx>, "Gluster List" <gluster-devel@xxxxxxxxxx> > >> Sent: Friday, February 5, 2010 5:43:46 PM GMT +05:30 Chennai, Kolkata, Mumbai, New Delhi > >> Subject: Re: Feedback - Problem with the locks feature > >> > >> Hi all, > >> > >> Juste before I test this patch, I have an other bug to report > >> with/without the locks translator. As I said in my first email, I just > >> change from NFS to GlusterFS for my websites storage partition (about 15 > >> 000 websites). > >> > >> I thought that only PHP sessions didnt "like" the posix locks but its > >> not. The other simple distributed partition for website files is > >> impacted : > >> > >> With the posix locks, I have 30% of web server internal errors 500 > >> (premature end of scripts headers), but without locks (I just change the > >> configuration), no 500 et no end of scripts headers. So I think there is > >> a link. (We have a huge trafic, maybe it could be another reason). > >> > >> I'm applying the patch right know and will give you a feedback as soon > >> as possible. > >> > >> Regards. > >> > >> Le vendredi 05 février 2010 à 15:13 +0530, Pavan Vilas Sondur a écrit : > >>> Hi Samuel, > >>> Looking at log messages such as these: > >>>>> [2010-02-04 21:11:22] W [posix.c:246:posix_lstat_with_gen] posix1: > >>>>> Access to /data//.. (on dev 2049) is crossing device (64768) > >>>>> [2010-02-04 21:11:24] W [posix.c:246:posix_lstat_with_gen] posix1: > >>>>> Access to /data//.. (on dev 2049) is crossing device (64768) > >>> It seems you are also running into bug 571 (http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=576). Can > >>> you apply this patch: http://patches.gluster.com/patch/2716 and let us know how it goes. Also, can you provide > >>> us details of the linux kernel version / Fuse Kernel Module versions on both the servers and the clients used > >>> apart from the output of the 'option trace on' in the locks translator. > >>> > >>> Pavan > >>> > >>> On 04/02/10 21:42 -0600, Anand Avati wrote: > >>>> ----- "Samuel Hassine" <samuel.hassine@xxxxxxxxx> wrote: > >>>> > >>>>> Hi all, > >>>>> > >>>>> For the PHP script with little write/read accesses I will try to find > >>>>> it (I dont remember exactly the syntax), but for PHP Sessions, the bug > >>>>> could be easily reproduced. > >>>>> > >>>>> I just test it on a new very simple GlusterFS partition with no trafic > >>>>> (juste me), and I reproduced it immediatly. > >>>>> > >>>>> Explainations: > >>>>> - 2 servers Debian Lenny stable > >>>>> - GlusterFS 3.0.0 in distributed mode (one server and multiple > >>>>> clients) > >>>>> - Lighttpd / PHP5 Fast-CGI > >>>>> > >>>>> I juste mount the GlusterFS partition on the /var/www directory. > >>>>> > >>>>> First of all, the PHP script you can execute: > >>>>> > >>>>> <?php > >>>>> session_save_path('.'); > >>>>> //if you want to verify if it worked > >>>>> //echo session_save_path(); > >>>>> session_start(); > >>>>> ?> > >>>>> > >>>>> Secondly, there are 2 configurations if GlusterFS and, of course, one > >>>>> works and one does not. > >>>>> The client configuration is the same in the both cases: > >>>>> > >>>>> glusterfs.vol > >>>>> volume test-1 > >>>>> type protocol/client > >>>>> option transport-type tcp > >>>>> option remote-host test > >>>>> option transport.socket.nodelay on > >>>>> option transport.remote-port 6996 > >>>>> option remote-subvolume brick1 > >>>>> end-volume > >>>>> > >>>>> volume writebehind > >>>>> type performance/write-behind > >>>>> option cache-size 4MB > >>>>> subvolumes test-1 > >>>>> end-volume > >>>>> > >>>>> volume readahead > >>>>> type performance/read-ahead > >>>>> option page-count 4 > >>>>> subvolumes writebehind > >>>>> end-volume > >>>>> > >>>>> volume iocache > >>>>> type performance/io-cache > >>>>> option cache-size 1GB > >>>>> option cache-timeout 1 > >>>>> subvolumes readahead > >>>>> end-volume > >>>>> > >>>>> volume quickread > >>>>> type performance/quick-read > >>>>> option cache-timeout 1 > >>>>> option max-file-size 64kB > >>>>> subvolumes iocache > >>>>> end-volume > >>>>> > >>>>> volume statprefetch > >>>>> type performance/stat-prefetch > >>>>> subvolumes quickread > >>>>> end-volume > >>>>> > >>>>> Now the server configuration: > >>>>> > >>>>> glusterfsd.vol (this doesnt work) > >>>>> volume posix1 > >>>>> type storage/posix > >>>>> option directory /data > >>>>> end-volume > >>>>> > >>>>> volume locks1 > >>>>> type features/locks > >>>>> subvolumes posix1 > >>>>> end-volume > >>>>> > >>>>> volume brick1 > >>>>> type performance/io-threads > >>>>> option thread-count 8 > >>>>> subvolumes locks1 > >>>>> end-volume > >>>>> > >>>>> volume server-tcp > >>>>> type protocol/server > >>>>> option transport-type tcp > >>>>> option auth.addr.brick1.allow * > >>>>> option transport.socket.listen-port 6996 > >>>>> option transport.socket.nodelay on > >>>>> subvolumes brick1 > >>>>> end-volume > >>>>> > >>>>> glusterfsd.vol (this works) > >>>>> volume posix1 > >>>>> type storage/posix > >>>>> option directory /data > >>>>> end-volume > >>>>> > >>>>> #volume locks1 > >>>>> # type features/locks > >>>>> # subvolumes posix1 > >>>>> #end-volume > >>>>> > >>>>> volume brick1 > >>>>> type performance/io-threads > >>>>> option thread-count 8 > >>>>> subvolumes posix1 > >>>>> end-volume > >>>>> > >>>>> volume server-tcp > >>>>> type protocol/server > >>>>> option transport-type tcp > >>>>> option auth.addr.brick1.allow * > >>>>> option transport.socket.listen-port 6996 > >>>>> option transport.socket.nodelay on > >>>>> subvolumes brick1 > >>>>> end-volume > >>>>> > >>>>> So, with the locks translator, you can execute the script one time (it > >>>>> will be ok) but the second time the session file is on the file system > >>>>> but locked and nobody can access to it. PHP freezes and processes > >>>>> coult not be killed. > >>>>> > >>>>> When it's happened, I have nothing in client-side logs but I have 2 > >>>>> kinds of message in the server-side logs: > >>>>> When I execute the script: > >>>>> [2010-02-04 21:11:22] W [posix.c:246:posix_lstat_with_gen] posix1: > >>>>> Access to /data//.. (on dev 2049) is crossing device (64768) > >>>>> [2010-02-04 21:11:24] W [posix.c:246:posix_lstat_with_gen] posix1: > >>>>> Access to /data//.. (on dev 2049) is crossing device (64768) > >>>>> > >>>>> When I try to umount -f (disconnect the gluster): > >>>>> [2010-02-04 21:13:45] E [server-protocol.c:339:protocol_server_reply] > >>>>> protocol/server: frame 20: failed to submit. op= 26, type= 4 > >>>>> > >>>>> As I said I will try to find the other PHP script. > >>>>> > >>>>> I hope this will help you. > >>>> I tried to reproduce the problem with your exact configuration (only changing 'option remote-host') from 1 server and 2 clients. I was not able to hit the problem with the configuration which is breaking for you. I used v3.0.0 as well. > >>>> > >>>> Can you please turn 'option trace on' in the locks translator and give us the server log when the php session hangs? > >>>> > >>>> Thanks, > >>>> Avati > >>>> > >>>> > >>>> _______________________________________________ > >>>> Gluster-devel mailing list > >>>> Gluster-devel@xxxxxxxxxx > >>>> http://lists.nongnu.org/mailman/listinfo/gluster-devel > >> > >> > >> > >> _______________________________________________ > >> Gluster-devel mailing list > >> Gluster-devel@xxxxxxxxxx > >> http://lists.nongnu.org/mailman/listinfo/gluster-devel > > > > > > > > > > _______________________________________________ > > Gluster-devel mailing list > > Gluster-devel@xxxxxxxxxx > > http://lists.nongnu.org/mailman/listinfo/gluster-devel > > > > _______________________________________________ > Gluster-devel mailing list > Gluster-devel@xxxxxxxxxx > http://lists.nongnu.org/mailman/listinfo/gluster-devel > > > _______________________________________________ > Gluster-devel mailing list > Gluster-devel@xxxxxxxxxx > http://lists.nongnu.org/mailman/listinfo/gluster-devel > > > _______________________________________________ > Gluster-devel mailing list > Gluster-devel@xxxxxxxxxx > http://lists.nongnu.org/mailman/listinfo/gluster-devel
