Synchronization And Redundancy - Nokia 7210 Configuration Manual

7210 SAS-M, T, R6, R12, Mxp, Sx, S Basic System
Configuration Guide
If the active and standby CPMs or CFMs are not synchronized for any reason, you
can manually synchronize the standby CPM or CFM by rebooting the standby by
issuing the admin reboot standby command on the active or the standby CPM or
CFM.

6.4 Synchronization and Redundancy

The 7210 SAS-R6 and 7210 SAS-R12, and the 7210 SAS-Sx/S 1/10GE configured
in the standalone-VC mode support CPM redundancy. Redundancy methods
facilitate system synchronization between the active and standby CPMs so they
maintain identical operational parameters, which prevents inconsistencies in the
event of a CPM failure.
When automatic system synchronization is enabled for an entity, save or delete file
operations that are configured on the primary, secondary or tertiary choices on the
active CPM file system are mirrored in the standby CPM file system.
Although software configurations and images can be copied or downloaded from
remote locations, synchronization can only occur locally between compact flash
drives (cf1: and cf2:).
Synchronization can occur:
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• automatically
Automatic synchronization is disabled by default. To enable automatic
synchronization, run the config>redundancy>synchronize command with the
boot-env parameter or the config parameter.
When the boot-env parameter is specified, the BOF, boot.ldr, configuration, and
image files are automatically synchronized. When the config parameter is
specified, only the configuration files are automatically synchronized.
Automatic synchronization also occurs whenever the BOF is modified and when
an admin>save command is entered with no filename specified.
• manually
To execute synchronization manually, run the admin>redundancy>
synchronize command with the boot-env parameter or the config parameter.
When the boot-env parameter is specified, the BOF, boot.ldr, configuartion, and
image files are synchronized. When the config parameter is specified, only the
configuration files are synchronized.
The following output is an example of information displayed during a manual
synchronization of configuration files.
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