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<p>On 8/2/2016 8:14 AM, Gilberto Nunes wrote:<br>
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<div>Hello list...</div>
<div>This is my first post on this list.</div>
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<div>I have here two IBM Server, with 9 TB of hardisk on which
one.</div>
<div>Between this servers, I have a WAN connecting two
offices,let say OFFICE1 and OFFICE2.</div>
<div>This WAN connection is over fibre channel.</div>
<div>When I setting up gluster with replica with two bricks,
and mount the gluster volume in other folder, like this:</div>
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<div>mount -t glusterfs localhost:/VOLUME /STORAGE</div>
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and when I go to that folder, and try to access the content, I
get a lot of timeout... Even a single ls give a lot of time to
return the list.</div>
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<div style="font-size:12.8px">This folder, /STORAGE is access by
many users, through samba share.</div>
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<div style="font-size:12.8px">So, when OFFICE1 access the
gluster server access the files over \\server\share, has a
long delay to show the files.... Sometimes, get time out.</div>
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<div style="font-size:12.8px">My question is: is there some way
to improve the gluster to work faster in this scenario??</div>
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<div style="font-size:12.8px">Thanks a lot.</div>
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<div style="font-size:12.8px">Best regards</div>
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-- <br>
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<div>Gilberto Ferreira<br>
+55 (47) 9676-7530<br>
Skype: gilberto.nunes36<br>
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I probably can't help, but I can tell you the kind of things that
will help people to understand your problem better.<br>
<br>
What is the bandwidth between sites?<br>
<br>
What is the ping time between sites?<br>
<br>
If you run "ping -c10000 <OFFICE2>" from OFFICE1, how many
pings fail?<br>
<br>
What else can you tell us about the WAN connection that would help
us understand your situation?<br>
<br>
How many files are there in the \\server\share directory?<br>
<br>
Are people at both sites actively writing files to the shared
storage? If not, you may need to look at gluster geo-replication.
It is one way, so all writing would have to be done to OFFICE1, with
OFFICE2 having read-only access. (Some things that works
wonderfully for, other things it doesn't work at all.)<br>
<br>
I can also tell you that no one who has tried it will endorse
running a production replica 2 cluster over WAN. You are asking for
either downtime or split-brain or both. Replica 3 is the minimum
for production use of a replicate cluster, even over LAN.<br>
<br>
Ted Miller<br>
Elkhart, IN, USA<br>
<br>
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