How to store Alfresco folders on different physical location?

[jamil]

Example I have folder TestA and TestB in the Alfresco repository. I want to store TestA folder data on the same server where alfresco is installed and TestB folder data on the NAS server. 

[kaynezhang]

You need to implement a custom content store,please refer to http://docs.alfresco.com/5.1/references/dev-extension-points-custom-content-store.html on how to implement it.