Consider a file system in which multiple users$/$clients can access the data from the disks over storage network. Assume each user$/$client has its own file system and considers its storage disks $($which are shared with other clients$)$ as local.

a$.$ Explain, how this file system is different as compared to NFS $($Network File Servers$).$

b$.$ What are the major advantages and disadvantages of this type of file systems $($do not repeat the points mentioned in answering the part$-$a$)?$