nfs-ganesha and CephFS

一， CephFS 與nfs-ganesh 框架

nfs-ganesha模塊化的體系結構，實現複雜，維護簡單：

● RPC layer:

– uses libntirpc

● Filesystem Abstraction layer (FSAL)

– Provides API for exported namespace

● Metadata cache (MDCACHE)

– Chunked dirent cache (version 2.6)

● Dbus Interface

– System management and communication

● Log Management– Support for internal logging