On 06/08/2015 11:34 AM, Mathieu Chateau wrote:
Hello Ravi,
thanks for clearing things up.
Anything on the roadmap that would help my case?
I don't think it would be possible for clients to do I/O only on its
local brick and yet expect the bricks' contents to be in sync in real-time..
Cordialement,
Mathieu CHATEAU
http://www.lotp.fr
2015-06-08 6:37 GMT+02:00 Ravishankar N <[email protected]
<mailto:[email protected]>>:
On 06/06/2015 12:49 AM, Mathieu Chateau wrote:
Hello,
sorry to bother again but I am still facing this issue.
client still looks on the "other side" and not using the node
declared in fstab:
prd-sta-sto01:/gluster-preprod /mnt/gluster-preprod glusterfs
defaults,_netdev,backupvolfile-server=prd-sta-sto02 0 0
I expect client to use sto01 and not sto02 as it's available.
Hi Mathieu,
When you do lookups (`ls` etc), they are sent to both bricks of
the replica. If you write to a file, the write is also sent to
both bricks. This is how it works. Only reads are served from the
local brick.
-Ravi
If I add a static route to break connectivity to sto02 and do a
"df", I have around 30s before it works.
Then it works ok.
Questions:
* How to force node to stick as possible with one specific
(local) node ?
* How to know where a client is currently connected?
Thanks for your help :)
Cordialement,
Mathieu CHATEAU
http://www.lotp.fr
2015-05-11 7:26 GMT+02:00 Mathieu Chateau
<[email protected] <mailto:[email protected]>>:
Hello,
thanks for helping :)
If gluster server is rebooted, any way to make client
failback on node after reboot ?
How to know which node is using a client ? I see TCP
connection to both node
Regards,
Cordialement,
Mathieu CHATEAU
http://www.lotp.fr
2015-05-11 7:13 GMT+02:00 Ravishankar N
<[email protected] <mailto:[email protected]>>:
On 05/10/2015 08:29 PM, Mathieu Chateau wrote:
Hello,
Short way: Is there any way to define a preferred
Gluster server ?
Long way:
I have the following setup (version 3.6.3) :
Gluster A <==> VPN <==> Gluster B
Volume is replicated between A and B.
They are in same datacenter, using a 1Gb/s connection,
low latency (0.5ms)
I have gluster clients in lan A & B.
When doing a "ls" on big folder (~60k files), both
gluster node are used, and so it need 9mn instead on 1mn
if only the local gluster is reachable.
Lookups (and writes of course) from clients are sent to
both bricks because AFR uses the result of the lookup to
select which brick to read from if there is a pending
heal etc.
If the file is clean on both A and B, then reads are
always served from the local brick. i.e. reads on clients
mounted on A will be served from the brick in A (and
likewise for B).
Hope that helps,
Ravi
It's HA setup, application is present on both side. I
would like a master/master setup, but using only local
node as possible.
Regards,
Mathieu CHATEAU
http://www.lotp.fr
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