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• In the event of a merge failure, the link between participating switches is isolated, and both zone
databases remain unchanged.
• Enhanced zoning has stricter rules than basic zoning.
The enhanced zoning mode includes the following merge rules:
• If either the merge control mode or default zone policy is different from that in the local zone
database, the merge will fail.
• If both the merge control mode and default zone policy are the same as that in the local zone
database, the following rules apply:
{ If the merge control mode is Restrict, the system checks whether the data carried in the MR
request is the same as the local zone database.
− If the data is the same as the local zone database, the merge will succeed, and both
databases remain unchanged.
− If the data is different from the local zone database, the merge will fail.
{ If the merge control mode is Allow, the following rules apply:
− If the two active zone sets contain zones with the same name but one or more of these zones
have one or more different zone members, the merge will fail.
− If the two zone databases contain zone sets, zones, or zone aliases with the same name but
one or more of them have one or more different members, the merge will fail.
− If the two zone databases contain zone members with the same name but one or more of
these members have different roles, the merge will fail.
− If the two zone databases contain zones with the same name, but the Pairwise feature status
is different for one or more of these zones, the merge will fail.
− If hard zoning status is different in the two zone databases, the merge will fail.
− If the two active zone sets contain zones with different names and none of the preceding
conditions exist, the merge will succeed. The merged active zone set is the union of the two
active zone sets.
− If the two zone databases contain zone sets, zones, or zone aliases with different names
and none of the preceding conditions exist, the merge will succeed. The merged zone
database is the union of the two zone databases.
Access control
For a server to access a disk device through the name service, the server and the disk device must be in
one zone of the active zone set. Only members in the same zone can access each other.
FC zone configuration task list
Tasks at a
lance
Remarks
(Required.) Configuring a zoning mode N/A
(Required.) Configuring the Pairwise feature
This task can be performed only in enhanced
zoning mode.
(Optional.) Configuring zone aliases N/A
(Required.) Configuring zones N/A
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