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FibreC hannel Storage Components
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About Fibre Channel Storage Systems and Networks (SANs)
Figure1-4 A Switch Zone
If you do not define a zone in a switch, all adapter p orts connected to
the switch can communicate with all SP ports connected to the
switch. However, access to an SP does not necessarily provide access
to the SP’s storage; access to storage is governed by the Storage
Groups you create (defined later).
Fibre Channel switches are available with 16 or 8 ports. They are
compact units that fit in 2 U (3.5 inches) for the 16-port or 1 U (1.75
inches) for the 8-port. They are available to fit into a rackmount
cabinet or as small deskside enclosures.
Figure1-5 16-Port Switch, Back View
SP SP
Server
1
Adapter
Storage system 1
Adapter
SP
Adapter
SP SP SP
Zone
Switch
Storage system 2 Storage system 3
fabric
To illustrate switch zoning, this figure shows just one HBA per server and one
switch or hub. Normally, such installations will include two HBAs per server
and two switches or hubs.
EMC1807
Ports