Jiffin Tony Thottan
2016-Feb-16 12:47 UTC
[Gluster-users] nfs-ganesha/pnfs read/write path on EC volume
Hi Serkan, I had moved out previous gfapi-side to ganesha and include all those change in single patch https://review.gerrithub.io/#/c/263180/ I will try get it reviewed and merge the patch as soon as possible. With Regards, Jiffin On 14/02/16 21:54, Serkan ?oban wrote:> Thanks for the answer, > AFAIK, when using pNFS, every different file read/write should go to > different server in order to utilize all servers in parallel. > I am waiting for the patches and future releases.Thanks for all your efforts. > > Serkan > > On Wed, Feb 10, 2016 at 2:21 PM, Jiffin Tony Thottan > <jthottan at redhat.com> wrote: >> Hi, >> >> Sorry for the delayed delayed response >> >> >> On 10/02/16 13:51, Pranith Kumar Karampuri wrote: >>> >>> >>> On 02/10/2016 01:15 PM, Serkan ?oban wrote: >>>> Hi Jiffin, >>>> >>>> Any update about the write path? >>> I saw him send some mails related to this, yesterday and day before. You >>> will hear from him soon. >>> >>> Pranith >>>> >>>> Serkan >>>> >>>> On Sun, Jan 31, 2016 at 5:00 PM, Jiffin Tony Thottan >>>> <jthottan at redhat.com> wrote: >>>>> >>>>> On 31/01/16 16:19, Serkan ?oban wrote: >>>>>> Hi, >>>>>> I am testing nfs-ganesha with pNFS on EC volume and I want to ask some >>>>>> questions. >>>>>> Assume we have two clients: c1,c2 >>>>>> and six servers with one 4+2 EC volume constructed as below: >>>>>> >>>>>> gluster volume create vol1 disperse 6 redundancy 2 >>>>>> server{1..6}:/brick/b1 >>>>>> \ >>>>>> >>>>>> server{1..6}:/brick/b2 \ >>>>>> >>>>>> server{1..6}:/brick/b3 \ >>>>>> >>>>>> server{1..6}:/brick/b4 \ >>>>>> >>>>>> server{1..6}:/brick/b5 \ >>>>>> >>>>>> server{1..6}:/brick/b6 >>>>>> vol1 is mounted on both clients as server1:/vol1 >>>>>> >>>>>> Here is first question: When I write file1 from client1 and file2 from >>>>>> client2; which servers get the files? In my opinion server1 gets file1 >>>>>> and server2 gets file2 and do EC calculations and distribute chunks to >>>>>> other servers. Am I right? >>>>>> >>>>>> Can anyone explain detailed read/write path with pNFS and EC volumes? >>>>> >> Currently in pNFS cluster , request is send to the first DS available in the >> list. >> So I am to planning to distribute different files among the available DS, as >> a first step >> I had send out patch in gluster (http://review.gluster.org/#/c/13402/) >> After this one got merged, there are certain changes in ganesha side too. >> I had tested both changes in my setup and it was working as accepted. >> >> Once again thanks for pointing out this issue >> >> -- >> Regards, >> Jiffin >> >> >> >> >>>>> I never tried pNFS with EC volume, will try the same by my own and reply >>>>> to >>>>> your question as soon as possible. >>>>> -- >>>>> Jiffin >>>>> >>>>>> Thanks, >>>>>> Serkan >>>>>> _______________________________________________ >>>>>> Gluster-users mailing list >>>>>> Gluster-users at gluster.org >>>>>> http://www.gluster.org/mailman/listinfo/gluster-users >>>>> >>>>> _______________________________________________ >>>>> Gluster-users mailing list >>>>> Gluster-users at gluster.org >>>>> http://www.gluster.org/mailman/listinfo/gluster-users >>>> _______________________________________________ >>>> Gluster-users mailing list >>>> Gluster-users at gluster.org >>>> http://www.gluster.org/mailman/listinfo/gluster-users >>>
Serkan Çoban
2016-Mar-17 17:47 UTC
[Gluster-users] nfs-ganesha/pnfs read/write path on EC volume
Hi Jiffin, Will these patches land in 3.7.9? Serkan On Tue, Feb 16, 2016 at 2:47 PM, Jiffin Tony Thottan <jthottan at redhat.com> wrote:> > Hi Serkan, > > I had moved out previous gfapi-side to ganesha and include all those change > in single patch https://review.gerrithub.io/#/c/263180/ > > I will try get it reviewed and merge the patch as soon as possible. > > With Regards, > Jiffin > > On 14/02/16 21:54, Serkan ?oban wrote: >> >> Thanks for the answer, >> AFAIK, when using pNFS, every different file read/write should go to >> different server in order to utilize all servers in parallel. >> I am waiting for the patches and future releases.Thanks for all your >> efforts. >> >> Serkan >> >> On Wed, Feb 10, 2016 at 2:21 PM, Jiffin Tony Thottan >> <jthottan at redhat.com> wrote: >>> >>> Hi, >>> >>> Sorry for the delayed delayed response >>> >>> >>> On 10/02/16 13:51, Pranith Kumar Karampuri wrote: >>>> >>>> >>>> >>>> On 02/10/2016 01:15 PM, Serkan ?oban wrote: >>>>> >>>>> Hi Jiffin, >>>>> >>>>> Any update about the write path? >>>> >>>> I saw him send some mails related to this, yesterday and day before. You >>>> will hear from him soon. >>>> >>>> Pranith >>>>> >>>>> >>>>> Serkan >>>>> >>>>> On Sun, Jan 31, 2016 at 5:00 PM, Jiffin Tony Thottan >>>>> <jthottan at redhat.com> wrote: >>>>>> >>>>>> >>>>>> On 31/01/16 16:19, Serkan ?oban wrote: >>>>>>> >>>>>>> Hi, >>>>>>> I am testing nfs-ganesha with pNFS on EC volume and I want to ask >>>>>>> some >>>>>>> questions. >>>>>>> Assume we have two clients: c1,c2 >>>>>>> and six servers with one 4+2 EC volume constructed as below: >>>>>>> >>>>>>> gluster volume create vol1 disperse 6 redundancy 2 >>>>>>> server{1..6}:/brick/b1 >>>>>>> \ >>>>>>> >>>>>>> server{1..6}:/brick/b2 \ >>>>>>> >>>>>>> server{1..6}:/brick/b3 \ >>>>>>> >>>>>>> server{1..6}:/brick/b4 \ >>>>>>> >>>>>>> server{1..6}:/brick/b5 \ >>>>>>> >>>>>>> server{1..6}:/brick/b6 >>>>>>> vol1 is mounted on both clients as server1:/vol1 >>>>>>> >>>>>>> Here is first question: When I write file1 from client1 and file2 >>>>>>> from >>>>>>> client2; which servers get the files? In my opinion server1 gets >>>>>>> file1 >>>>>>> and server2 gets file2 and do EC calculations and distribute chunks >>>>>>> to >>>>>>> other servers. Am I right? >>>>>>> >>>>>>> Can anyone explain detailed read/write path with pNFS and EC volumes? >>>>>> >>>>>> >>> Currently in pNFS cluster , request is send to the first DS available in >>> the >>> list. >>> So I am to planning to distribute different files among the available DS, >>> as >>> a first step >>> I had send out patch in gluster (http://review.gluster.org/#/c/13402/) >>> After this one got merged, there are certain changes in ganesha side too. >>> I had tested both changes in my setup and it was working as accepted. >>> >>> Once again thanks for pointing out this issue >>> >>> -- >>> Regards, >>> Jiffin >>> >>> >>> >>> >>>>>> I never tried pNFS with EC volume, will try the same by my own and >>>>>> reply >>>>>> to >>>>>> your question as soon as possible. >>>>>> -- >>>>>> Jiffin >>>>>> >>>>>>> Thanks, >>>>>>> Serkan >>>>>>> _______________________________________________ >>>>>>> Gluster-users mailing list >>>>>>> Gluster-users at gluster.org >>>>>>> http://www.gluster.org/mailman/listinfo/gluster-users >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Gluster-users mailing list >>>>>> Gluster-users at gluster.org >>>>>> http://www.gluster.org/mailman/listinfo/gluster-users >>>>> >>>>> _______________________________________________ >>>>> Gluster-users mailing list >>>>> Gluster-users at gluster.org >>>>> http://www.gluster.org/mailman/listinfo/gluster-users >>>> >>>> >