Admin Domain Compatibility And Availability; Admin Domains And Merging; Fabric Showing Switch And Device Wwns; Filtered Fabric Views Showing Converted Switch Wwns - HP A7533A - Brocade 4Gb SAN Switch Base Administrator's Manual

Figure 5 shows an unfiltered view of a fabric with two switches, three devices, and two Admin Domains.
The devices are labeled with device WWNs and the switches are labeled with Domain ID and switch
WWNs.
WWN = 10:00:00:00:c7:2b:fd:a3
Domain ID = 1
WWN = 10:00:00:05:1f:05:23:6f
Figure 5

Fabric showing switch and device WWNs

Figure 6 shows the filtered view of the fabric as seen from AD3 and AD4. The switch WWNs are
converted to the NAA=5 syntax; the device WWNs and Domain IDs remain the same.
WWN = 10:00:00:00:c7:2b:fd:a3
Domain ID = 1
WWN = 50:00:51:f0:52:36:f9:03
Fabric Visible to AD4 User
Domain ID = 1
WWN = 50:00:51:f0:52:36:f9:04
Figure 6

Filtered fabric views showing converted switch WWNs

Admin Domain compatibility and availability

Admin Domains maintain continuity of service for Fabric OS features and operate in mixed-release fabric
environments. High availability is supported with some backward compatibility. The following sections
describe the continuity features of Admin Domain usage.

Admin Domains and merging

When an E_Port comes online, the adjacent switches merge their AD databases. The receiving switch
accepts an AD database from the neighboring switch only if the local AD database is empty or if the new
150 Managing administrative domains
AD3
AD4
Fabric Visible to AD3 User
WWN = 10:00:00:00:c2:37:2b:a3
Domain ID = 2
WWN = 10:00:00:05:2e:06:34:6e
WWN = 10:00:00:00:c8:3a:fe:a2
WWN = 10:00:00:00:c2:37:2b:a3
Domain ID = 2
WWN = 50:00:52:e0:63:46:e9:03
WWN = 10:00:00:00:c2:37:2b:a3
Domain ID = 2
WWN = 50:00:52:e0:63:46:e9:04
WWN = 10:00:00:00:c8:3a:fe:a2