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Ascii network diagram

                www.domain.com
                    |
                    | ISP
                    \
        +-----------------------------------------------+
        |   Nginx LB/Proxy                          | {LB 0 and LB1 with IP failover}
        |   Server                              |
        |   Ubuntu Linux                            |   
        +---------[eth0]---------------[eth1]-----------+
            55.55.55.55     + 192.168.1.10
                        |  {LAN/VLAN}
                        |
    +---------------------------------------------------------------+ {LAN/VLAN}    
    |                               |   
+-----------------------+                       +---------------------------+
|   gvfs01              |             eth1                  |   gvfs02          |
|   192.168.1.11        |  [gvfs01:/gvol0 /var/www/html/]   |   192.168.1.12        |
|   Ubuntu Linux        |  Network distributed storage      |   Ubuntu Linux        |
+-----------------------+                                   +---------------------------+
apache+PHP/Python                                           apache+PHP/Python
Disk:/dev/vdb1 (brick1)                                     Disk:/dev/vdb1 (brick2)
gfvs01:/nodirectwrites/brick1/gvol0                         gfvs02:/nodirectwrites/brick2/gvol0