Q-Logic 5200 Manuel D’Utilisation

3 – Managing Fabrics

Zoning a Fabric

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If you join two fabrics with an inter-switch link, the active zone sets from the two 
fabrics attempt to merge automatically. The fabrics may consist of a single switch 
or many switches already connected together. The switches in the two fabrics 
attempt to create a new active zone set containing the union of each fabric's 
active zone set. The propagation of zoning information only affects the active zone 
set, not the configured zone sets, unless Interop Auto Save is turned on.

If a zone merge is unsuccessful, the inter-switch links between the fabrics will 
isolate due to a zone merge failure, which will generate an alarm. The reason for 
the E_Port isolation can also be determined by viewing the port information. Refer 
to 

 and the 

 (Port keyword).

A zone merge will fail if the two active zone sets have member zones with 
identical names that differ in membership or type. For example, consider Fabric A 
and Fabric B each with a soft zone named “ZN1” in its active zone set. Fabric A 
"ZN1" contains a member specified by Domain ID 1 and Port 1; Fabric B “ZN1” 
contains a member specified by Domain ID 1 and Port 2. In this case, the merge 
will fail because the two zones have the same name, but different membership.