[Gluster-users] nfs-ganesha/pnfs read/write path on EC volume

Pranith Kumar Karampuri pkarampu at redhat.com
Wed Feb 10 08:21:26 UTC 2016



On 02/10/2016 01:15 PM, Serkan Çoban 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 Çoban 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?
>>
>> 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
>>
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