Re: help

Joe Julian <joe@xxxxxxxxxxxxxxxx> · Sat, 5 Nov 2016 08:46:19 -0700



    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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