Database Merge Guidelines; Database Interaction - HP Cisco MDS 9020 - Fabric Switch Configuration Manual

Database Merge Guidelines

S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
Table 37-3 Scenarios for Activation and Auto-Learning learning Configurations in Distributed Mode (continued)
Scenario Actions
A and B exist in the You activate the port
1.
configuration security database and
database, enable auto-learning.
activation is not
done and devices
C,D are logged in.
You disable learning. configuration database = {A,B}
2.
You issue a commit.
3.
1. The * (asterisk) indicates learned entries.
Database Merge Guidelines
A database merge refers to a union of the configuration database and static (unlearned) entries in the
active database. See the
When merging the database between two fabrics, follow these guidelines:
•
•
If you do not follow these two conditions, the merge will fail. The next distribution will forcefully
Caution
synchronize the databases and the activation states in the fabric.

Database Interaction

Table 37-4
Table 37-4
Active Database
Read-only.
Saving the configuration only saves the activated
entries. Learned entries are not saved.
Cisco MDS 9000 Family CLI Configuration Guide
37-14
Distribution = OFF
configuration database = {A,B}
active database = {A,B, C*, D*}
active database = {A,B, C, D}
Not applicable
CFS Merge Support, page 6-8
Verify that the activation status and the auto-learning status is the same in both fabrics.
Verify that the combined number of configurations for each VSAN in both databases does not
exceed 2K.
lists the differences and interaction between the active and configuration databases.
Active and Configuration Port Security Databases
Chapter 37
Distribution = ON
configuration database = {A,B}
active database = {null}
pending database = {A,B + activation to
be enabled}
configuration database = {A,B}
active database = {null}
pending database = {A,B + activation to
be enabled +
learning to be disabled}
configuration database = {A,B}
active database = {A,B} and devices C
and D are logged out. This is equal to an
activation with auto-learning disabled.
pending database = empty
for detaileds concepts.
Configuration Database
Read-write.
Saving the configuration saves all the entries in
the configuration database.
OL-16184-01, Cisco MDS SAN-OS Release 3.x
Configuring Port Security