Database Synchronization - Nortel 1000E Installation And Configuration Manual

Page 466 of 488

Database synchronization

553-3041-210 Standard 4.00
Configuring MG 1000T survivability and alternate primary controller
These commands are applicable to both modes and can be used to keep an
MG 1000T in Survival Mode after the Automatic Switchback occurs.
The LOCK/UNLOCK command is issued in LD 135.
LOCK <cab #>
Where:
cab# = specified Survivable Media Gateway
UNLOCK <cab #>
Where:
cab# = specified Survivable Media Gateway
The DWL (Download) command is available in LD 43:
DWL [<cab#>]
Where:
<cab#> = a specified Survivable Media Gateway
Programming the <cab#> parameter is optional. If omitted, the database is
downloaded to all connected Survivable Media Gateways.
EDD LCL command (local EDD)
The Invoke Datadump Program (EDD) command introduces the Invoke
Datadump Program Local (EDD LCL) command. It performs a local
datadump where data is dumped only on the MG 1000T Core. The databases
on the Survivable Media Gateways are not updated. This operation is used
when the database changes are tested by the technician prior to downloading
them to the Survivable Media Gateways.
The sequence of operations for the EDD LCL command is as follows. Prior
to an actual dump, the MG 1000T Core performs a security check. If the
security check fails, the datadump operation is aborted. If the security check
passes, the existing database files on the primary flash drive are renamed with
the extension ".bak". The data is then written to the primary flash drive. When
the database files in the primary flash drive are updated, data and patches are
written to the internal backup flash drive (z:).
September 2007