Grass Valley K2 Edge Engineering Manual v4.1 - Manual (Page 39)

K2 Edge Engineering Manual- document version: 4.1 - Page 39
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Failover, manual backup and restore of the TX/MAM
servers
An automatic backup is created and restored from the active to the standby database every hour by
the /etc/cron.backup/cob-bak and /etc/cron.restore/cob-restore commands.
Workflow
Main TX/MAM server Backup TX/MAM server
Normal situation The main server is active and writes a
backup to the backup server every
hour. The backup server is inactive.
Database backups are written
to the backup server.
Creating a manual backup
from the main server
(usually not needed). # /etc/cron.backup/cob-bak
The database backup is written
to the backup server.
Failover from the main to the backup TX/MAM server
Deactivate the main server. Deactivate the main first:
Stop all services:
# /system/nexusproc stop all
Edit the file /system/STATUS, set
yes to no:
active=no
The backup server is inactive.
Restore the database on
the backup. The main is inactive. /etc/cron.restore/cob-
restore
Activate the backup server. Edit the file /system/STATUS,
set no to yes:
active=yes
Start all services:
# /system/nexusproc
start all
The backup server is
active. The backup server is active.