Access Logix is an optional feature of the firmware code that provides the functionality that is known as LUN Mapping or LUN Virtualization.
You can use the software tab in the storage systems properties page of the EMC Navisphere GUI to determine if Access Logix is installed.
After Access Logix is installed it can be disabled but not removed. The following are the two modes of operation for Access Logix:
- Access Logix not installed: In this mode of operation, all LUNs are accessible from all target ports by any host. Therefore, the SAN fabric must be zoned to ensure that only the SAN Volume Controller can access the target ports.
- Access Logix enabled: In this mode of operation, a storage group can be formed from a set of LUNs. Only the hosts that are assigned to the storage group are allowed to access these LUNs.
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