HP StorageWorks 2000 Modular Smart Array Reference Guide (481599-003, August 2008)

Appendix C Host Access to Storage 259
The following figure shows how port WWNs and mapped volumes are presented if
controller B fails.
Figure C-2 FC Storage Presentation During Failover (Direct Attach with
Interconnects Enabled)
Interconnects
enabled
A0 A1
B0 B1
A0 & B1 WWNs,
A & B volumes
A1 & B0 WWNs
A & B volumes
No
data
No
data
(Failed)