[Gluster-users] How to raed / write in geo-replication slave

Milos Cuculovic - MDPI cuculovic at mdpi.com
Thu Jul 16 06:34:08 UTC 2015

Hi Dave,

I see, thank you. What I am planning to do:

1. Write on the master
2. Read from the slave (if the file is not on the slave, then search on 
the master).

What do you think about?

-- Kindest regards,

Milos Cuculovic
IT Manager

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On 16.07.2015 00:23, Dave Warren wrote:
> On 2015-07-15 00:13, Milos Cuculovic - MDPI wrote:
>> Thank you for your reply.
>> You're right, the configuration you mentioned is the right one.
>> The problem with the solution 1 is that I need bi-directional sync.
>> The solution 2 is also not possible, I need to allow users to write on
>> both places in the same time.
>> I saw there is a possibility to do GlusterFS Distribute to Replica, I
>> tried this out but the synchronization is done synchronous, so it
>> takes time to do it and it is very slow.
>> Any solution?
> I don't believe there is a way to do this within Gluster itself,
> geo-replication is only a one-way solution by design.
> If you can deal with asynchronous sync between the geo sites, you could
> use something like unison to synchronize two independent gluster
> volumes. This is obviously messy since it introduces separate software
> into the mix which could require it's own maintenance.

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