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EMC Fibre Channel Storage-System Configuration Planning
About Fibre Channel Storage Systems and Networks (SANs)
The following figure shows both data access control (Storage Groups)
and configuration access control. Each server has exclusive read and
write access to its designated Storage Group. Of the four servers
connected to the SAN, only the Admin server can send configuration
commands to the storage system.
Figure 1-11 Data and Configuration Access Control with Shared Storage
Admin Storage Group
LUN
LUN
LUN
LUN
LUN
LUN
LUN
LUN
LUN
LUN
Inventory Storage Group
E-mail and Web server
Storage Group
SP B
Highly available cluster
Data access by adapters 01, 02
Data access by adapters 03, 04
Data access by
adapters 05, 06, 07, 08
Shared
Dedicated
Dedicated
Configuation access, by
adapters 01and 02
(Admin server only)
Switch fabric
SP A
Web server
Inventory server
E-mail server
Admin server
Adapter
Adapter
03
04
Operating
system A
Adapter
Adapter
01
02
Operating
system A
Adapter
Adapter
05
06
Operating
system B
Adapter
Adapter
07
08
Operating
system B
Switch fabric