Talking about server virtualization & hyper convergence & Storage

Catalog

One 、 Server virtualization ：

Two 、 Advantages of server virtualization technology ：

  3、 ... and 、 Dual machine hot standby based on virtual server （VM Drift technology ）

Four 、 Super fusion technology of server

5、 ... and 、 Server storage ：

①FC Storage ：

 ②FCOE Technology storage

 ③iSCSI Storage

6、 ... and . Classification of services :

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One 、 Server virtualization ：

• 1、 Bottom layer installation ESxi 7.0 System
• 2、 Server virtual out switch （ Virtual standard switch ）
• 3、 The network card of the server and the virtual switching opportunity are automatically bridged
• 4、 Create a virtual server in the virtualization system , And dynamically allocate resources , The number of virtual servers is determined by the physical CPU decision
• 4、 The gateway address of the virtual server is on the core switch

notes ： Cisco has close cooperation with virtualization vendors , Created a virtual switch ——Cisco Nexus 1000V（ The function of the switch is almost the same as that of the physical switch ）,

Because the function of the virtual switch through the above method is weak , So the Cisco Nexus 1000V Import to the server , Replace the original virtual standard switch , Enhance virtual server performance

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Two 、 Advantages of server virtualization technology ：

• ① Can save cost （ financial ）
• ② Convenient unified management ： You can log in directly to ESXi Management Center , You can see how many virtual servers are created , What is the snapshot of each virtual server
• ③ Virtual server also supports snapshot function ： Easy backup and recovery

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  3、 ... and 、 Dual machine hot standby based on virtual server （VM Drift technology ）

• problem ： When there is a problem with the physical server , Virtual servers can also have problems
• solve ： Deploy two physical servers , There is also a storage behind . Deploy at the same time ESX i, Server virtualization based communication between two physical servers HA technology , When there is a problem with the primary physical server , All virtual servers can drift to physical servers , Do business without interruption , Zero packet loss .

 

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Four 、 Super fusion technology of server

At least three physical servers are required .

Virtualize three physical servers into one , Because hyperfusion will provide you with a hyperfusion management platform , He will cloud these three servers into one , Put three servers of CPU resources , Hard disk resources ... Unified collection , Create a resource pool .

Then create a virtual server , The resources needed to create the virtual server are allocated from the resource pool .

When any one of the physical servers has problems , Business will not be interrupted .

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5、 ... and 、 Server storage ：

①FC Storage ：

 ②FCOE Technology storage

because FC Switch development is relatively slow , It has gradually failed to meet the demand , however FC Protocols are specifically designed for storage , Protocol interaction between server and disk FC The agreement is better than TCP/IP The protocol is more efficient , So there was ＦＣＯＥ technology

  That is, run on the Ethernet switch FC agreement . Carry on the basis of Ethernet ＦＣ agreement

Ethernet fibre channel （FCoE,Fibre Channel over Ethernet） Is a computer network technology , Encapsulate fibre channel frames over Ethernet Networks . It allows fibre channel to use 10 Gigabit Ethernet while retaining the fibre channel protocol （ Or higher ）.

 ③iSCSI Storage

6、 ... and . Classification of services :

• ① Tower servers
• ② Blade servers
• ③ Rack servers