server.vol : ----- volume home1 type storage/posix # POSIX FS translator option directory /media/storage # Export this directory end-volume volume posix-locks-home1 type features/posix-locks option mandatory-locks on subvolumes home1 end-volume ### Add network serving capability to above home. volume server type protocol/server option transport-type tcp subvolumes posix-locks-home1 option auth.addr.posix-locks-home1.allow * # Allow access to "home1" volume end-volume ---------- client.vol: --------- ## Reference volume "home1" from remote server volume home1 type protocol/client option transport-type tcp/client option remote-host 192.168.253.41 # IP address of remote host option remote-subvolume posix-locks-home1 # use home1 on remote host option transport-timeout 10 # value in seconds; it should be set relatively low end-volume ## Reference volume "home2" from remote server volume home2 type protocol/client option transport-type tcp/client option remote-host 192.168.253.42 # IP address of remote host option remote-subvolume posix-locks-home1 # use home1 on remote host option transport-timeout 10 # value in seconds; it should be set relatively low end-volume volume home type cluster/afr option metadata-self-heal on subvolumes home1 home2 end-volume -------- Make sure the IP addresses are correct. You can use the same server.vol and client.vol for both the machines. (assuming you have backend directory names same) Krishna On Thu, Mar 12, 2009 at 8:28 PM, Stas Oskin <stas.oskin at gmail.com> wrote: > Hi. > > Did you mean to change their order to become something like this? > > Otherwise can you please just post the correct version? I'm not quite > familiar with the syntax, and will appreciate an example I can work and > learn from. > > Thanks! > > > glusterfs.vol (client) > ### Create automatic file replication > volume home > type cluster/afr > option metadata-self-heal on > option read-subvolume posix-locks-home1 > # option favorite-child home2 > subvolumes posix-locks-home1 home2 > end-volume > ## Reference volume "home2" from remote server > volume home2 > type protocol/client > option transport-type tcp/client > option remote-host 192.168.253.41 # IP address of remote host > option remote-subvolume posix-locks-home1 # use home1 on remote host > option transport-timeout 10 # value in seconds; it should be set > relatively low > end-volume > > glusterfsd.vol (server) > > ### Add network serving capability to above home. > volume server > type protocol/server > option transport-type tcp > subvolumes posix-locks-home1 > option auth.addr.posix-locks-home1.allow 192.168.253.41,127.0.0.1 # Allow > access to "home1" volume > end-volume > volume posix-locks-home1 > type features/posix-locks > option mandatory-locks on > subvolumes home1 > end-volume > volume home1 > type storage/posix # POSIX FS translator > option directory /media/storage # Export this directory > end-volume > Regards. > > 2009/3/12 Krishna Srinivas <krishna at zresearch.com> >> >> Hi Stats, >> Excuse me for missing out on this mail. >> >> Your vol files for having 2 servers and 2 clients are incorrect. >> >> on server vol (both the machines) you need to have: >> protocol/server -> features/locks -> storage/posix >> >> On client vol (both the machines) you need to have: >> cluster/afr -> (two protocol/clients) >> >> each of the protocol/clients connect to each of the servers. >> >> You would use the client vol to mount the glusterfs. >> >> Let us know if you still face problems. >> >> Krishna >> >> On Tue, Mar 10, 2009 at 1:32 AM, Stas Oskin <stas.oskin at gmail.com> wrote: >> > Hi. >> > The boxes participating in AFR are running OpenVZ host kernels - can it >> > be >> > related in any way to the issue? >> > Regards. >> > >> > 2009/3/9 Stas Oskin <stas.oskin at gmail.com> >> >> >> >> Hi. >> >> These are my new 2 vol files, one for client and one for server. >> >> Can you advice if they are correct? >> >> Thanks in advance. >> >> glusterfs.vol (client) >> >> ## Reference volume "home2" from remote server >> >> volume home2 >> >> type protocol/client >> >> option transport-type tcp/client >> >> option remote-host 192.168.253.41 # IP address of remote host >> >> option remote-subvolume posix-locks-home1 # use home1 on remote >> >> host >> >> option transport-timeout 10 # value in seconds; it should be >> >> set relatively low >> >> end-volume >> >> ### Create automatic file replication >> >> volume home >> >> type cluster/afr >> >> option metadata-self-heal on >> >> option read-subvolume posix-locks-home1 >> >> # option favorite-child home2 >> >> subvolumes posix-locks-home1 home2 >> >> end-volume >> >> >> >> glusterfsd.vol (server) >> >> >> >> volume home1 >> >> type storage/posix # POSIX FS translator >> >> option directory /media/storage # Export this directory >> >> end-volume >> >> volume posix-locks-home1 >> >> type features/posix-locks >> >> option mandatory-locks on >> >> subvolumes home1 >> >> end-volume >> >> ### Add network serving capability to above home. >> >> volume server >> >> type protocol/server >> >> option transport-type tcp >> >> subvolumes posix-locks-home1 >> >> option auth.addr.posix-locks-home1.allow 192.168.253.41,127.0.0.1 # >> >> Allow >> >> access to "home1" volume >> >> end-volume >> >> 2009/3/9 Krishna Srinivas <krishna at zresearch.com> >> >>> >> >>> Stats, >> >>> >> >>> I think there was nothing changed between rc2 and rc4 that could >> >>> affect this functionality. >> >>> >> >>> Your vol files look fine, i will look into why it is not working. >> >>> >> >>> Do not use single process as both server and client as we saw issues >> >>> related to locking. Can you see if using different processes for >> >>> server and client works fine w.r.t replication? >> >>> >> >>> Also subvolumes list of all AFRs should be in same order (in your case >> >>> its interchanged) >> >>> >> >>> Regards >> >>> Krishna >> >>> >> >>> On Mon, Mar 9, 2009 at 5:44 PM, Stas Oskin <stas.oskin at gmail.com> >> >>> wrote: >> >>> > Actually, I see a new version came out, rc4. >> >>> > Any idea if anything related was fixed? >> >>> > Regards. >> >>> > 2009/3/9 Stas Oskin <stas.oskin at gmail.com> >> >>> >> >> >>> >> Hi. >> >>> >>> >> >>> >>> Was it working for your previously? Any other error logs on >> >>> >>> machine >> >>> >>> with afr? what version are you using? If it was working previously >> >>> >>> what changed in your setup recently? Can you paste your vol files >> >>> >>> (just to be sure) >> >>> >> >> >>> >> >> >>> >> Nope, it actually my first setup in lab. No errors - it just seems >> >>> >> as >> >>> >> not >> >>> >> synchronizing anything. The version I'm using is the latest one - 2 >> >>> >> rc2. >> >>> >> Perhaps I need to modify anything else in addition to GlusterFS >> >>> >> installation - like file-systems attributes or something? >> >>> >> The approach I'm using is the one that was recommended by Kieth >> >>> >> over >> >>> >> direct emails (Keith, hope you don't mind me posting them :) ). >> >>> >> The idea is basically to have single vol file both for client and >> >>> >> for >> >>> >> server, and to have one glusterfs process doing the job both as >> >>> >> client >> >>> >> and >> >>> >> as server. >> >>> >> Thanks for the help. >> >>> >> Server 1: >> >>> >> volume home1 >> >>> >> type storage/posix # POSIX FS translator >> >>> >> option directory /media/storage # Export this directory >> >>> >> end-volume >> >>> >> >> >>> >> volume posix-locks-home1 >> >>> >> type features/posix-locks >> >>> >> option mandatory-locks on >> >>> >> subvolumes home1 >> >>> >> end-volume >> >>> >> >> >>> >> ## Reference volume "home2" from remote server >> >>> >> volume home2 >> >>> >> type protocol/client >> >>> >> option transport-type tcp/client >> >>> >> option remote-host 192.168.253.42 # IP address of remote host >> >>> >> option remote-subvolume posix-locks-home1 # use home1 on >> >>> >> remote >> >>> >> host >> >>> >> option transport-timeout 10 # value in seconds; it >> >>> >> should >> >>> >> be >> >>> >> set relatively low >> >>> >> end-volume >> >>> >> >> >>> >> ### Add network serving capability to above home. >> >>> >> volume server >> >>> >> type protocol/server >> >>> >> option transport-type tcp >> >>> >> subvolumes posix-locks-home1 >> >>> >> option auth.addr.posix-locks-home1.allow 192.168.253.42,127.0.0.1 >> >>> >> # >> >>> >> Allow >> >>> >> access to "home1" volume >> >>> >> end-volume >> >>> >> >> >>> >> ### Create automatic file replication >> >>> >> volume home >> >>> >> type cluster/afr >> >>> >> option metadata-self-heal on >> >>> >> option read-subvolume posix-locks-home1 >> >>> >> # option favorite-child home2 >> >>> >> subvolumes home2 posix-locks-home1 >> >>> >> end-volume >> >>> >> >> >>> >> >> >>> >> Server 2: >> >>> >> >> >>> >> volume home1 >> >>> >> type storage/posix # POSIX FS translator >> >>> >> option directory /media/storage # Export this directory >> >>> >> end-volume >> >>> >> >> >>> >> volume posix-locks-home1 >> >>> >> type features/posix-locks >> >>> >> option mandatory-locks on >> >>> >> subvolumes home1 >> >>> >> end-volume >> >>> >> >> >>> >> ## Reference volume "home2" from remote server >> >>> >> volume home2 >> >>> >> type protocol/client >> >>> >> option transport-type tcp/client >> >>> >> option remote-host 192.168.253.41 # IP address of remote host >> >>> >> option remote-subvolume posix-locks-home1 # use home1 on >> >>> >> remote >> >>> >> host >> >>> >> option transport-timeout 10 # value in seconds; it >> >>> >> should >> >>> >> be >> >>> >> set relatively low >> >>> >> end-volume >> >>> >> >> >>> >> ### Add network serving capability to above home. >> >>> >> volume server >> >>> >> type protocol/server >> >>> >> option transport-type tcp >> >>> >> subvolumes posix-locks-home1 >> >>> >> option auth.addr.posix-locks-home1.allow 192.168.253.41,127.0.0.1 >> >>> >> # >> >>> >> Allow >> >>> >> access to "home1" volume >> >>> >> end-volume >> >>> >> >> >>> >> ### Create automatic file replication >> >>> >> volume home >> >>> >> type cluster/afr >> >>> >> option metadata-self-heal on >> >>> >> option read-subvolume posix-locks-home1 >> >>> >> # option favorite-child home2 >> >>> >> subvolumes home2 posix-locks-home1 >> >>> >> end-volume >> > >
