UnixServerAdmin

Server Administration & Management

Difference between NAS & SAN

S.No. NAS – Network Attached Storage SAN – Storage Area Network
1 It can be mapped as network drives to share on that server. It can be used as a ‘disk in disk’ and volume management utilities.
2 It provides storage and a file system. It provide Block based storage.
3 Protocols –> NFS, CIFS & SMB Protocols –> SCSI, Fibre Channel, iSCSI, ATA over Ethernet & HyperSCSI
4 For small & medium business For large organizations
5 Storage Capacity –> up to few TB Storage Capacity –> Many TB
6 Multiple NAS Devices Single SAN & Multiple high performance disk arrays
7 Specialized knowledge and training is not required to configure and maintain NAS. Specialized knowledge and training is required to configure and maintain SANs.
8 NAS & SAN are not mutually exclusive. A hybrid of SAN and NAS can offer file and block level protocols from the same system to support NAS and SAN.

June 30, 2014 Posted by | SAN, Tips & Tricks, Unix/Linux | , , , | Leave a comment