HP A7533A HP StorageWorks Fabric OS 6.x administrator guide (5697-0015, May 20 - Page 151
Managing Admin Domains
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AD database exactly matches both the defined and effective configurations of the local AD database. If the AD database merge fails, the E_Port is segmented with "AD conflict" error code. Compatibility Admin Domains can be implemented in fabrics with a mix of AD-aware switches and AD-unaware switches. The following considerations apply: • In mixed-fabric configurations, the legacy switches allow unfiltered access to the fabric and its devices; hence, these legacy switches should be managed by the physical fabric administrator. • You must zone all ports and devices from legacy switches in the AD0 root zone database. • If you have legacy switches in your AD-activated fabric, you must ensure that all new AD resources have enough interconnectivity so that they do not get isolated into subfabrics with a legacy subfabric interposed in the middle, as shown in Figure 7. AD-aware fabric AD-unaware fabric AD-aware fabric Figure 7 Isolated subfabrics These two subfabrics have different AD databases but the same root zone database. Firmware upgrade and downgrade scenarios You cannot perform a firmware downgrade to a Fabric OS version earlier than 5.2.0 if ADs are configured in the fabric. Following are special scenarios for director class products only: • If the primary and secondary CPs are running pre-Fabric OS 5.2.0 and are in HA-Sync, and if firmwaredownload is used to upgrade one CP alone (using the firmwaredownload -s option), then that CP will run in an AD-unaware mode (AD creation operations will fail and the local switch will show up as an AD-unaware switch in the fabric). • If the primary and secondary CPs are running Fabric OS 5.2.0 or later, and if ADs are configured, any attempt to downgrade one or both CPs to pre-Fabric OS 5.2.0 versions will fail. The Admin Domain configuration must be cleared before you can perform the downgrade (see "Deleting all user-defined Admin Domains" on page 157). Managing Admin Domains This section is for physical fabric administrators who are managing Admin Domains. You must be a physical fabric administrator to perform the tasks in this section. • "Implementing Admin Domains" on page 152 • "Creating an Admin Domain" on page 153 • "Assigning a user to an Admin Domain" on page 154 • "Activating and deactivating Admin Domains" on page 155 • "Adding and removing Admin Domain members" on page 156 • "Renaming an Admin Domain" on page 156 • "Deleting an Admin Domain" on page 157 • "Deleting all user-defined Admin Domains" on page 157 • "Validating an Admin Domain member list" on page 158 Fabric OS 6.x administrator guide 151