HP 1606 Brocade Fabric OS Administrator's Guide v6.3.0 (53-1001336-01, July 20 - Page 288
Zone object naming: If a zoning object has the same name in both the local and adjacent
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11 Zoning configuration management Adding a new fabric that has no zone configuration information to an existing fabric is very similar to adding a new switch. All switches in the new fabric inherit the zoning configuration data. If a zone configuration is in effect, then the same configuration becomes the enabled configuration. Before the new fabric can merge successfully, it must pass the following criteria: • Before merging zones To facilitate merging, check the following before merging switches or fabrics: - Zoning licenses: All switches running Fabric OS v6.0.x or earlier must have a Zoning license enabled. - Native operating mode: All switches must be in the native operating mode. - Default Zone: The switch being merged into the existing fabric should be configured with the same default zone mode as the existing switches. • Merging and segmentation The fabric is checked for segmentation during power-up or when a switch is disabled or enabled, or when a new switch is added. The database is the zone configuration database. (This is the data displayed as the "defined configuration" in the cfgShow command.) It is stored in nonvolatile memory by the cfgSave command. This database is a replicated database, which means that all switches in the fabric will have a copy of this database. When a change is made to the defined configuration, the switch where the changes were made must close its transaction for the change to be propagated throughout the fabric. If you have implemented default zoning you must set the switch you are adding into the fabric to the same default zone mode setting as the rest of the fabric to avoid segmentation. • Merging rules Observe these rules when merging zones: - Local and adjacent configurations: If the local and adjacent zone database configurations are the same, they will remain unchanged after the merge. - Effective configurations: If there is an effective configuration between two switches, the effective zone configurations must match. - Zone object naming: If a zoning object has the same name in both the local and adjacent defined configurations, the object types and member lists must match. When comparing member lists, the content and order of the members are important. - Objects in adjacent configurations: If a zoning object appears in an adjacent defined configuration, but not in the local defined configuration, the zoning object is added to the local defined configuration. The modified zone database must fit in the nonvolatile memory area allotted for the zone database. - Local configuration modification: If a local defined configuration is modified because of a merge, the new zone database is propagated to other the switches within the merge request. • Merging two fabrics Both fabrics have identical zones and configurations enabled, including the default zone mode. The two fabrics will join to make one larger fabric with the same zone configuration across the newly created fabric. If the two fabrics have different zoning configurations, they will not be merged. If the two fabrics cannot join, the ISL between the switches will segment. 246 Fabric OS Administrator's Guide 53-1001336-01