I have 4 high configuration Dell R730 server. Configuration noted below.
CPU: 2XIntel Xeon E5-2643 v3 3.4GHz,20M Cache,9.60GT/s QPI,Turbo,HT,6C/12T (135W) Max Mem 2133MHz
Memory: 192GB (12x 16GB ) RDIMM, 2133 MT/s, upgradeable to 768GB
HDD: 48 TB (6 x8TB) 7.2K RPM NLSAS 12Gbps 512e 3.5in Hot-plug Hard Drive
Ethernet port: 4 (1Gig each)
I want to use these for web host business. and I want to host here approximately 15k-20k site. I need to use this 4 server as DC/DR system. service must be high available. so I have to use load balancing and others clustering techniques. Please anyone suggest me the design.