D ISK A TTACHMENT Disk Attachment Networkattached storage
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D ISK A TTACHMENT Disk Attachment Network-attached storage Network-Attached Storage
D ISK A TTACHMENT Disk Attachment Computers access disk storage in two ways: 1) Host attached via an I/O port 2) Network attached via a network connection
D ISK A TTACHMENT Network-attached storage (NAS) It is a device which has a special purpose storage system that is access remotely over a data network (LAN). rather Than over a local connection (such as a bus) -> Remotely attaching to file systems
D ISK A TTACHMENT Network-attached storage (NAS) Consist of : 1 - Processor 2 - memory 3 - USB port 4 - do not have a keyboard or display
Local network D ISK A TTACHMENT
NAS : D ISK A TTACHMENT
D ISK A TTACHMENT Network-attached storage (NAS) NAS protocols : They typically provide access to files using network file sharing protocols such as NFS, SMB/CIFS, or AFP. NFS and CIFS are common protocols NFS (network file system) for UNIX system CIFS (common internet file system) for windows system This two protocols is type of : Remote Procedure Call (RPC)
D ISK A TTACHMENT Network-attached storage (NAS) NAS connections (wire) : NAS connect to network via internet such as TCP/IP (Transmission Control Protocol/Internet Protocol)
D ISK A TTACHMENT Characterize : NAS not provide just storage data but backing up and sharing files across your network. NAS as a convenient and easy method of sharing files among multiple pc’s computers NAS allows greater sharing of information especially between different operating systems such as Unix and Mac Advantages : faster data access , easier control, and simplementation
D ISK A TTACHMENT Characterize : NAS systems contain one or more hard disks, often arranged into logical, redundant storage containers or RAID arrays. NAS provides both storage and a file system. File System managed by NAS is easier to do than other storage access method like a Storage area network.
D ISK A TTACHMENT END
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- Types of external memory
- Magnetic disk
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- Storage devices of computer
- Secondary storage provides temporary or volatile storage
- Unified storage vs traditional storage