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Server Message Block (SMB) is a communication protocol [1] used to share files, printers, serial ports, and miscellaneous communications between nodes on a network. On Microsoft Windows, the SMB implementation consists of two vaguely named Windows services: "Server" (ID: LanmanServer) and "Workstation" (ID: LanmanWorkstation). [2]
This makes it possible for multiple users on multiple machines to share files and storage resources. Distributed file systems differ in their performance, mutability of content, handling of concurrent writes, handling of permanent or temporary loss of nodes or storage, and their policy of storing content.
OneFS supports accessing stored files using common computer network protocols including NFS, CIFS/SMB, FTP, HTTP, and HDFS. [3] It can utilize non-local authentication such as Active Directory, LDAP, and NIS. It is capable of interfacing with external backup devices and applications that use NDMP protocol. [3]
Samba is a free software re-implementation of the SMB networking protocol, and was originally developed by Andrew Tridgell.Samba provides file and print services for various Microsoft Windows clients [5] and can integrate with a Microsoft Windows Server domain, either as a Domain Controller (DC) or as a domain member.
Distributed File System (DFS) is a set of client and server services that allow an organization using Microsoft Windows servers to organize many distributed SMB file shares into a distributed file system. DFS has two components to its service: Location transparency (via the namespace component) and Redundancy (via the file replication component).
File system Stores file owner POSIX file permissions Creation timestamps Last access/ read timestamps Last metadata change timestamps Last archive timestamps Access control lists
Two or more DLCs can be configured for failover and/or load balancing. While DLC is an IP based protocol, it has been customized for data traffic, making it more efficient (and higher performance) than traditional NAS. In some environments, users have also used the DLC infrastructure to enable lower performance file sharing via NFS or CIFS.
KSMBD is an open-source in-kernel CIFS/SMB server created by Namjae Jeon for the Linux kernel.Initially the goal is to provide improved file I/O performance, but the bigger goal is to have some new features which are much easier to develop and maintain inside the kernel and expose the layers fully.