On 11/05/2016 05:47 AM, Fariborz Mafakheri wrote:
Hi all,
I have a gluster volume with 4 bricks(srv1, srv2, srv3 and srv4). srv2
is replicate of srv1 and srv3 is replicate of srv3. each of this
bricks has 1.7TB data.
I am gonna replace srv2 and srv4
with two new servers(srvP2 and srvP4). srvP2 and srvP4 are in
another datacenter and as I said each brick has 1.7TB so is there
anything that I should be aware of when I do the replace-brick command? I
am just worried that may be any problem happened because my data is
a lot.
The most common problem with that kind of change is networking. People
forget to open up firewalls, don't have routes from their clients, etc.
When you mirror between datacenters, the clients will be connecting to
both. This will amplify any latency so if that's bad your writes,
lookups, etc. will suffer.
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