1. Storage Area Network

2. Storage area network
A storage area network (SAN) is a dedicated network that provides access to consolidated, block level data storage

3. Storage area network - SAN Storage QoS (Quality of Service)
SAN Storage QoS (Quality of Service) is the coordination of capacity and performance in a dedicated storage area network. This enables the desired storage performance to be calculated and maintained for network customers accessing the device.

4. Storage area network - SAN Storage QoS (Quality of Service)
Key factors that affect Storage Area Network QoS(Quality of Service) are:

5. Distributed file system - Shared-disk / storage area network
A 'shared-disk file-system' uses a storage area network|storage-area network (SAN) to provide direct disk access from multiple computers at the Block (data storage)|block level

6. Distributed file system - Shared-disk / storage area network
The underlying storage area network may use any of a number of block-level protocols, including SCSI, iSCSI, HyperSCSI, ATA over Ethernet (AoE), Fibre Channel, network block device, and InfiniBand.

7. Clustered file system - Shared-disk / storage area network
A 'shared-disk filesystem' uses a storage area network|storage-area network (SAN) to provide direct disk access from multiple computers at the Block (data storage)|block level

8. IBM BladeCenter - Storage Area Network
A variety of SAN switch modules have been produced by QLogic, Cisco, Brocade Communications Systems|McData (acquired by Brocade) and Brocade Communications Systems|Brocade ranging in speeds of 1, 2, 4 and 8 Gbit Fibre Channel. Speed from the Storage area network|SAN switch to the blade is determined by the lowest-common-denominator between the blade HBA daughtercard and the Storage area network|SAN switch. External port counts vary from two to six, depending on the switch module.

9. Storage area networks
A 'storage area network' ('SAN') is a dedicated network that provides access to consolidated, Block device|block level data storage

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The Art of Service