Cisco Headend System Release 2.7 Installation Guide
Appendix E
Perform a DNCS Upgrade in a Disaster Recovery Enabled Network
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4023737 Rev C
Perform a Disaster Recovery Full Sync
Complete the following steps to perform a Disaster Recovery full synchronization.
1 Log in to the Disaster Recovery system via the Disaster Recovery GUI to display
1 Log in to the Disaster Recovery system via the Disaster Recovery GUI to display
the System Status page.
2 On the left navigation panel of the System Status page, under the Configuration
header, select QAM. The QAMs page is displayed.
3 Under the Primary Headend field, select IP Address to sort and order the list of
QAMs by their IP address.
4 Review the list of QAM's and apply the following rules regarding emulation:
All QAMs belonging to a particular IP subnet should all have the same
emulation status configured. That is to say that all of the QAM's for a
particular subnet should have the same value of either 'Y' or 'N', i.e., yes or
no, in their respective "Emulated?" column/field. Use the Subnet Mask
column/field to aid in determining IP subnets and IP subnet boundaries.
emulation status configured. That is to say that all of the QAM's for a
particular subnet should have the same value of either 'Y' or 'N', i.e., yes or
no, in their respective "Emulated?" column/field. Use the Subnet Mask
column/field to aid in determining IP subnets and IP subnet boundaries.
Each of the systems, i.e., Primary and Standby, BFS Data QAMs should not be
emulated. Subsequently, the only time you should set the "Emulated?"
column/field of a QAM is if the QAM exists on the Primary DBDS system
but does not exist on the Standby DBDS system.
emulated. Subsequently, the only time you should set the "Emulated?"
column/field of a QAM is if the QAM exists on the Primary DBDS system
but does not exist on the Standby DBDS system.
Important: Correct any discrepancies for the QAM emulation states based on the
above QAM emulation rules before proceeding!
above QAM emulation rules before proceeding!
5 From the System Status page, select Synchronize in the Synchronization Status
window to display the Sync Confirmation page.
6 Enter the user name as dradmin and enter the appropriate password.
7 Select Synchronize below the Username and Password fields. The Full Sync will
7 Select Synchronize below the Username and Password fields. The Full Sync will
be queued to execute almost immediately.
8 On the left navigation panel, select DBDS Status to display the System Status
page.
9 Select the "refresh" hyperlink in the upper right-hand corner of the page. In the
Synchronization Status window, the Full Sync Status should display "In
Progress".
Progress".
10 Select the Full Sync hyperlink to monitor the Full Sync progress in the Disaster
Recovery GUI.
11 The Job Status - Full Sync page should be displayed. The page should
automatically refresh once a minute.
12 The first major Full Sync task is to back up the Active DNCS database and key
files. (This is represented as the "abBackup" step in the Child Jobs listing of the
Full Sync steps.)
Full Sync steps.)