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VBrick Systems EtherneTV-NXG 1 Quick Start Manual

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VBRICK ETHERNET-NXG VOD QUICK START GUIDE VERSION 2.0.0E

COPYRIGHT VBRICK SYSTEMS PAGE 20 JUNE 23, 2004

Automatic File Backup

The use of a dedicated drive 0 for the OS and VoD software benefits customers in two ways.

Firstly, OS patches or new VoD software updates only get applied to drive 0, leaving all the

content drives untouched. Secondly, both VoD servers use a mySQL database to index and

manage all video content and VoD configuration information. While this database is stored

on drive 0, each evening the system automatically backs up the database onto the RAID

drives. Should drive 0 fail, the database restore procedure uses this backup copy to rebuild

the database.

The Auto Backup feature is on by default and it is recommended that it be left on. However

if for some reason it is not required the following procedure should be used to turn this

feature off:

Note: If you get lost during editing hit “Esc” twice to leave edit mode. Hit “:” to return to

command mode.

• Go to the NXG command line.

• Type "crontab -e" at the command line; this puts you into an editor for the crontab

(the cron table). The editor is the "vi" editor.

• Using the down arrow key, scroll down to the bottom of the file. A couple of lines up

from the bottom you will see two lines:

0 4 * * * /opt/vbricksetup/backup_mediabase_database

0 3 * * * /opt/vbricksetup/clear_old_mbdump_files

• Cursor up to these lines and comment out this section by:

• Hit the "i" key to go into insert mode

• Type the "#" key in front of both these two line to comment them out

Hit <esc>, then ":" to go into command mode, then enter "wq" to save the changes and exit

the editor.

File Backup Cautions

Irrespective of the Auto Backup there are situations where the backup may not take place

soon enough after file ingestion. Therefore it is highly recommended that a separate copy of

the original content after ingestion be maintained for at least two days until the auto backups

are made.

License Key Re-Installation

The license is pre-installed on the server from the factory. You do not have to re-install this

license except for system restoration. Should you need to re-install the license, use the

following steps. A floppy disk is included that contains the license key for the EtherneTV-

NXG server. The key should be added to the /var/flexlm/license.dat file. If this file does not

exist then the file should be created in the specified path (/var/flexlm/). The following steps

will be used to make the floppy disk available to the Linux O/S:

From the root type: mkdir /floppy (enter)

Type: mount –t vfat /dev/fd0 /floppy (enter)

cd /floppy

You will now be able to copy the license file from the floppy to: /var/flexlm/license.dat

(NXG1) or /var/kasenna/license.dat (NXG2)