Nortel Networks 1000M User Manual

Page 277

Introduction

277

it is loaded into the system. However, items can be removed one by one
after installation. See

"Changing preprogrammed data" (page 417)

Archived database

The Software Installation Program allows the archiving of various databases
which can be used later at Small System sites. It allows multiple databases
to be configured off-site and then installed ready-to-use at customer sites.

Note: Off-site programming of databases is subject to all security
keycode restrictions. The off-site system must either use the security
device that will be installed in the Small System at the customer site, or
must have its own keycodes for the service level used.

Remote restored database

A database can be restored remotely using the LD 143 Customer
Configuration Backup and Restore (CCBR) remote restore command.

Backed up Database

The Backed up Database option allows the copy on the backup flash drive
to be installed. It is provided to recover a customer database if the customer
database on the primary flash drive becomes corrupted.

Data loading

A Small System SYSLOAD is a sequence of events whereby the switch
loads and verifies system and customer records into the NTDK20 SSC
card’s active memory area, or DRAM. The flow of data depends on the
status of the software — new installation, software release upgrade, or
user-initiated SYSLOAD — or the commands initiated in either LD 143 or
the Software Installation Program.

Despite the various ways to initiate a SYSLOAD, the flow of data generally
follows the path described below (refer to

Figure 129 "Flow of data during a

Small System SYSLOAD" (page 278)

for a graphical illustration):

1. The Small System searches for customer records in the primary flash

drive. If the files are located and verified, data is loaded into the NTDK20
SSC card’s DRAM.

2. If the records are corrupt or cannot be found in the primary flash drive,

the system searches the backup flash drive. If the customer records are
located and verified, the Small System loads the data into DRAM.

3. If the customer records cannot be located in the backup flash drive, the

Small System automatically searches the PC Card drive. If customer
records are located and verified, data is loaded into DRAM.

4. If the customer records cannot be located in the PC Card drive, the

Small System searches the primary flash drive for the secondary backup

Nortel Communication Server 1000

Communication Server 1000M and Meridian 1 Small System Installation and Commissioning

NN43011-310

01.04

Standard

Release 5.0

13 May 2008