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Basic storage partitioning
The following illustration shows the functionality of partitioning. Partitioning the
storage provides flexible management of available storage by subdividing the
storage into separate independent sections or partitions. It also enables you to
consolidate the storage from multiple host systems into one or more FAStT500
RAID Controller Enclosure Units and amortize the cost of the storage across the
connected hosts rather than having one host incur the total cost of the storage.
FC host adapter
Tom
FC host adapter
FC host adapter
Jim
FC host adapter
FC host adapter
Bill
FC host adapter
FC host adapter
Al
FC host adapter
Figure 1. Basic storage partitioning
Note: Four partitions are shown. Eight are available in the base configuration.
2
IBM Fibre Channel: Basic SAN Configuration Setup Guide
FAStT500 RAID controller unit
Host side
Drive side
Ctrl
Mini-hub
A
Mini-hub
Mini-hub
Mini-hub
Mini-hub
Mini-hub
Ctrl
Mini-hub
B
Mini-hub
Tom
Jim
Bill
Al
EXP500
Loop1
Loop2
IN
OUT
IN
OUT
IN
OUT
IN
OUT
Loop1
Loop2
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