Dell Brocade G620 Brocade 8.0.1 Fabric OS Troubleshooting and Diagnostics Guid - Page 79

Changing the default zone access, Editing zone configuration members, Reordering the zone member list

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Zoning ATTENTION The cfgClear command clears the zoning database on the switch where the command is run. 6. Enter the switchEnable command on each switch once the zoning configuration has been cleared. This forces the zones to merge and populates the switches with the correct zoning database. The fabrics then merge. Changing the default zone access A switch is not allowed to merge with the another switch that does not have an active effective configuration and if the default zone modes mismatch. If both the switches have empty configuration but mismatched default zone access, you must pick a default zone (not necessarily 'all access') and make all switches match before retrying the merge. If there is an effective configuration, you must change the default zone setting of the new switch to the default zone setting of the existing Fabric switch. When the default zone 'no access' option is enabled and the active configuration is disabled by using the cfgDisable command, a special hidden configuration with no members is activated. This configuration does not allow the switch to merge with switches that have mismatching default zone access modes. 1. Connect to the switch and log in using an account with admin permissions. 2. Display the current setting with the defZone --show command. 3. If your default zone is set to "no access", use the defZone --allaccess command to change the default zone. 4. Enter the cfgSave command to save the current configuration. Editing zone configuration members 1. Log in to one of the switches in a segmented fabric as admin. 2. Enter the cfgShow command and print the output. 3. Start another Telnet session and connect to the next fabric as an admin. 4. Enter the cfgShow command and print the output. 5. Compare the two fabric zone configurations line by line and look for an incompatible configuration. 6. Connect to one of the fabrics. 7. Run zone configure edit commands to edit the fabric zone configuration for the segmented switch (refer to Zone conflicts on page 77 for specific commands). If the zoneset members between two switches are not listed in the same order in both configurations, the configurations are considered a mismatch; this results in the switches being segmented in the fabric. For example: [cfg1 = z1; z2]is different from [cfg1 = z2; z1], even though the members of the configuration are the same. One simple approach to making sure that the zoneset members are in the same order is to keep the members in alphabetical order. Reordering the zone member list 1. Obtain the output from the cfgShow command for both switches. 2. Compare the order in which the zone members are listed. Members must be listed in the same order. Brocade Fabric OS Troubleshooting and Diagnostics Guide 53-1004126-01 79

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ATTENTION
The
cfgClear
command clears the zoning database on the switch where the command is run.
6.
Enter the
switchEnable
command on each switch once the zoning configuration has been cleared.
This forces the zones to merge and populates the switches with the correct zoning database. The fabrics then merge.
Changing the default zone access
A switch is not allowed to merge with the another switch that does not have an active effective configuration and if the default zone
modes mismatch. If both the switches have empty configuration but mismatched default zone access, you must pick a default zone (not
necessarily 'all access') and make all switches match before retrying the merge. If there is an effective configuration, you must change
the default zone setting of the new switch to the default zone setting of the existing Fabric switch. When the default zone 'no access'
option is enabled and the active configuration is disabled by using the
cfgDisable
command, a special hidden configuration with no
members is activated. This configuration does not allow the switch to merge with switches that have mismatching default zone access
modes.
1.
Connect to the switch and log in using an account with admin permissions.
2.
Display the current setting with the
defZone --show
command.
3.
If your default zone is set to "no access", use the
defZone --allaccess
command to change the default zone.
4.
Enter the
cfgSave
command to save the current configuration.
Editing zone configuration members
1.
Log in to one of the switches in a segmented fabric as admin.
2.
Enter the
cfgShow
command and print the output.
3.
Start another Telnet session and connect to the next fabric as an admin.
4.
Enter the
cfgShow
command and print the output.
5.
Compare the two fabric zone configurations line by line and look for an incompatible configuration.
6.
Connect to one of the fabrics.
7.
Run zone configure edit commands to edit the fabric zone configuration for the segmented switch (refer to
Zone conflicts
on
page 77 for specific commands).
If the zoneset members between two switches are not listed in the same order in both configurations, the configurations are
considered a mismatch; this results in the switches being segmented in the fabric.
For example:
[cfg1 = z1; z2]is different from [cfg1 = z2; z1], even though the members of the configuration are the same.
One simple approach to making sure that the zoneset members are in the same order is to keep the members in alphabetical
order.
Reordering the zone member list
1.
Obtain the output from the
cfgShow
command for both switches.
2.
Compare the order in which the zone members are listed. Members must be listed in the same order.
Zoning
Brocade Fabric OS Troubleshooting and Diagnostics Guide
53-1004126-01
79