Cisco Headend System Release 2.7 Installation Guide
Chapter 2 Upgrading the Software
30
4022900 Rev C
Preparing to Monitor Remote GQAM Resets
1 From the xterm window, type cd /dvs/dncs/tmp and press Enter to access the
TMP directory.
2 Type ls -ltr boot* and press Enter. A list of files starting with "boot" appears in
the xterm window.
3 Locate the current bootpd.xxx file name.
Note: This will be the bootpd.xxx file with the highest number and/or the most
recent date.
4 Type tail -f bootpd.xxx | awk '//' to show the last GQAM to reboot.
5 As you reset GQAMs (in the QAM List window or using the auditqam utility),
5 As you reset GQAMs (in the QAM List window or using the auditqam utility),
monitor the bootpd file to verify that each GQAM reset.
Note: The bootpd file will roll over to the next log as it grows. If logging stops,
Note: The bootpd file will roll over to the next log as it grows. If logging stops,
repeat steps 2 through 4 to see if a new log file is being used.
6 Go to one of the following sections, as desired:
Resetting the GQAM Modulator Through the DNCS GUI (on page 30)
Resetting GQAM Modulators Through the auditQam Utility (on page 32)
Resetting the GQAM Modulator Through the DNCS GUI
This section describes how to reset GQAMs in order to load new software. Use the
Preparing to Monitor Remote GQAM Resets (on page 30) procedure before resetting
GQAMs through the DNCS GUI.
CAUTION:
All active sessions on the GQAM will be interrupted when the modulator is
All active sessions on the GQAM will be interrupted when the modulator is
reset. DHCTs downstream of the modulator will lose their ability to display
services until sessions are re-established.
1 If you have not already done so, provision the modulator on the DNCS.
Note: For instructions to provision the GQAM modulator, refer to Gigabit QAM
Modulator Model D9479 Hardware Installation and Operation Guide (part number
745431), or the Dual SFP Gigabit QAM Modulator Installation and Operation Guide
(part number 4014102).
2 From the DNCS Administrative Console, click the DNCS tab, click the Network
Element Provisioning tab, and then click QAM. The QAM List window opens.
3 Based on the order you determined earlier, select the GQAM modulator that you
want to reset by highlighting it in the QAM List window.
Important: Although each GQAM modulator that has been provisioned is listed
Important: Although each GQAM modulator that has been provisioned is listed
sixteen times, select only one of the sixteen modulators listed.
Example: The following diagram shows an example of a GQAM modulator
Example: The following diagram shows an example of a GQAM modulator
selected in the QAM List window.