私有云架构 –– 存储及“冰山理论” (续2)


 

????????????(HOL)???????? –– ???“????”

The dignity of movement of an ice-berg is due to only one-eighth of it being above water.

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— ??? «????»

12?6???4?40?,???TechEd China 2012???????(HOL)???????????????,??????????,HOL???????????????????????????????????????

http://blogs.technet.com/b/nevin_dongs_blog/archive/2012/12/20/hol.aspx

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???HOL?????????????????????????36T?NetApp???

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??,???????,????????????????????IT??????????,?????(Proactive)?????????,????????????????

?TechNet??????????,????????(IaaS)?????????????

http://social.technet.microsoft.com/wiki/contents/articles/4622.private-cloud-planning-guide-for-infrastructure-as-a-service-iaas.aspx

???????????,??????????????????,??????????????(Operations per Second,IOPS)?

?????HOL??????????????????????????????????,??????????????????provision???????????

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??,HOL????????????,???HOL??????,??????????,?????????????????????HOL??????????????,?????????,?????????????????,??????????

??????????????????(/???)???,????????????????????????HBA??SAN????,??HOL????????????

???????????,????HOL???NetApp???Flash Cache????????Flash Cache??????????????,???????????

http://www.netapp.com/us/products/storage-systems/flash-cache/

??HOL ???Flash Cache??????512GB,??????????

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????????????????????,????????????????,?????Flash Cache???????

????????????Flash Cache?????,?????????????????

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