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
21-3
Cisco MDS 9000 Family CLI Configuration Guide
OL-16184-01, Cisco MDS SAN-OS Release 3.x
Chapter 21 Creating Dynamic VSANs
DPVM
To enable DPVM on any participating switch, follow these steps:
About DPVM Databases
The DPVM database consists of a series of device mapping entries. Each entry consists of a device
pWWN/nWWN assignment along with the dynamic VSAN to be assigned. You can configure a
maximum of 16,000 DPVM entries in the DPVM database. This database is global to the whole switch
(and fabric) and is not maintained for each VSAN.
The DPVM feature uses three databases to accept and implement configurations.
•
Configuration (config) database—All configuration changes are stored in the configuration database
when distribution is disabled.
•
Active database—The database currently enforced by the fabric.
•
Pending database—All configuration changes are stored in the DPVM pending database when
distribution is enabled (see the
“DPVM Database Distribution” section on page 21-5
).
Changes to the DPVM config database are not reflected in the active DPVM database until you activate
the DPVM config database. Changes to the DPVM pending database are not reflected in the
config/active DPVM database until you commit the DPVM pending database. This database structure
allows you to create multiple entries, review changes, and let the DPVM config and pending databases
take effect.
Configuring DPVM Config and Pending Databases
To create and populate the DPVM config and pending databases, follow these steps:
Command
Purpose
Step 1
switch#
config t
switch(config)#
Enters configuration mode.
Step 2
switch(config)#
dpvm enable
Enables DPVM on that switch.
switch(config)#
no
dpvm enable
Disables (default) DPVM on that switch.
Command
Purpose
Step 1
switch#
config t
switch(config)#
Enters configuration mode.
Step 2
switch(config)#
dpvm database
switch(config-dpvm-db)#
Creates the DPVM config database.
switch(config)#
no
dpvm database
Deletes the DPVM config database.
Step 3
switch(config-dpvm-db)#
pwwn
12:33:56:78:90:12:34:56 vsan 100
Maps the specified device pWWN to VSAN 100.
switch(config-dpvm-db)#
no
pwwn
12:33:56:78:90:12:34:56 vsan 101
Removes the specified device pWWN mapping from
the DPVM config database.
Step 4
switch(config-dpvm-db)#
nwwn
14:21:30:12:63:39:72:81 vsan 101
Maps the specified device nWWN to VSAN 101.
switch(config-dpvm-db)#
no nwwn
14:21:30:12:63:39:72:80 vsan 101
Removes the specified device nWWN mapping from
the DPVM config database.
Содержание 9124 - Cisco MDS Fabric Switch
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