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???Cluster??????????????????????????????????????????????IP????????????????????????????????????

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??????????????????????????????????????????????????????????????????????????????????????????????????????????????????LVS?Linux Virtual Server???????????????

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1. ??????

?????????????????????????????????????????????????????????????DNS????????

2. ?????

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3. ?????

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1. ?????

???????????????????IP???VIP???????????????????

2. ????

?????????????????????????RIP???????????????????????????????????

3. ????

?????????????????????????NAS???NFS?????

???????????

???????????????

1. NAT??

??????????????????????????IP???????????????????

2. TUN??

IP?????????????????????????????????????????

3. DR??

????????????????????????????????IP???

LVS????

LVS?Linux Virtual Server????IP?????????????????????????????????ip_vscat??????Linux???

LVS??

• ?????ipvsadm??????????????????????????

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• ???Round Robin????????????
• ?????Weighted Round Robin??????????????????????
• ?????Least Connections???????????????
• ???????Weighted Least Connections?????????????

LVS????NAT????

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• ???????????CentOS7?IP???192.168.71.12
• ??Web????CentOS7?IP???192.168.71.13?14
• NFS??????CentOS7?IP???192.168.71.15
• ????Windows10?IP???12.0.0.1

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?????????IP???12.0.0.1?????????????????????????????LVS???????

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