Storage Area Networks

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San technologies

Fibre Channel (FC) better performance, more costly, Faster than iSCSI, Distances up to 10km. Provides security features.

iSCSI lower cost, longer distances, more latency. Provides security features.

Server storage is a target. Servers are initiators.

Fibre Chanel SAN

iSCSI SAN

Clustering in a SAN

Provides fault tolerance. Other devices take over if a server goes down. Can also be configured to load balance.