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27-8
Cisco MDS 9000 Family Fabric Manager Configuration Guide
OL-17256-03, Cisco MDS NX-OS Release 4.x
Chapter 27 SAN Device Virtualization
Configuring SDV
• When the secondary device is active, if you link to a third device, and if the fallback attribute was
configured, then the third device becomes the primary device as well as the active device.
To link a virtual target with a physical target using Fabric Manager, follow these steps:
Step 1 Click the Real Devices tab and then click the Create Row icon.
Step 2 Select the Virtual Device ID from the pull-down list or enter an existing ID for the virtual target that you
are linking with a physical target(see Figure 27-9).
Step 3 Select the Real Device ID of the physical target that you are linking with the virtual target.
Figure 27-9 Create Real Devices Dialog Box
Step 4 Choose either the pWWN or deviceAlias radio button, and select the appropriate pWWN or device alias
from the pull-down menu. Note that the Name field is automatically populated when you select the
pWWN or device alias.
Step 5 Choose either the primary or secondary radio button for the Map Type.
Step 6 Click the CFS icon to save and distribute these changes, or click Close to discard any unsaved changes.
Resolving Fabric Merge Conflicts
Whenever two fabrics merge SDV merges its database. A merge conflict can occur when there is a
run-time information conflict or configuration mismatch. Run-time conflicts can occur due to:
• Identical pWWNs being assigned to different virtual devices
• The same virtual devices are assigned different pWWNs.
• The virtual device and virtual FC ID are mismatched.
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SAN Device Virtualization Zone
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