Cisco Headend System Release 2.7 Installation Guide
Load the Database
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Load the Database
Introduction
The dncsDbData utility enables you to load the DNCS or Application Server
database from tape or from your local hard drive.
database from tape or from your local hard drive.
Note: To load the database means to insert data from a file into an existing database.
CAUTION:
If your DNCS has been running since you unloaded the database, the load
process will overwrite any changes to the database since the unload process
began.
If your DNCS has been running since you unloaded the database, the load
process will overwrite any changes to the database since the unload process
began.
Defragmenting the Database
When you load the database, the following actions occur:
The system drops the existing database.
The system rebuilds the database as it reloads the data from the ASCII files
created during the unload procedure. See Unload the Database (on page 65).
created during the unload procedure. See Unload the Database (on page 65).
The system turns on database logging.
When your system rebuilds the database, it rebuilds it at one contiguous location on
the hard drive, which eliminates any previous database fragmentation. As a result,
system performance is improved.
the hard drive, which eliminates any previous database fragmentation. As a result,
system performance is improved.
Loading the Database from Tape
Follow these instructions to load your DNCS or Application Server database from
tape.
1 Stop all third-party applications.
2 If necessary, follow the procedures in Appendix A, Stopping System
tape.
1 Stop all third-party applications.
2 If necessary, follow the procedures in Appendix A, Stopping System
Components (on page 203), to shut down Spectrum, the Application Server, and
the DNCS.
Important! All processes on the DNCS and the Application Server must be
stopped when you unload or load the database.
the DNCS.
Important! All processes on the DNCS and the Application Server must be
stopped when you unload or load the database.
3 If necessary, open an xterm window on the DNCS.
Important! Skip steps 4, 5, and 6 if you have already logged in to the xterm
window as root user and have executed the dncsSetup command.
window as root user and have executed the dncsSetup command.
4 Type su - and then press Enter to log in as root user. The password prompt
appears.
5 Type the root password and then press Enter.