Cisco Headend System Release 2.7 Troubleshooting Guide
Chapter 7 Troubleshooting
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Restarting the MMM Server
Follow these instructions to restart the MMM Server.
Note: If you have followed the instructions in this section in order, the ISDS Control
Follow these instructions to restart the MMM Server.
Note: If you have followed the instructions in this section in order, the ISDS Control
window should still be open.
1 On the ISDS Administrative Console Status window, click Control in the ISDS
1 On the ISDS Administrative Console Status window, click Control in the ISDS
section. The ISDS Control window displays.
2 Highlight the MMM Server process.
3 Click the Process menu and select Start Process. A confirmation window
3 Click the Process menu and select Start Process. A confirmation window
appears.
4 Click Yes. The ISDS starts the MMM Server process and turns its red status
indicator to green.
Stranded Audio Links
Audio files used with the EAS system are defined with an expiration time and date.
Audio files used with the EAS system are defined with an expiration time and date.
Sometimes, when the MMM Server process of the ISDS is bounced before an audio
file expires, a link to that audio file remains on the ISDS.
This audio link is referred to as being "stranded".
After an upgrade, you need to examine the dncsLog for the presence of stranded
This audio link is referred to as being "stranded".
After an upgrade, you need to examine the dncsLog for the presence of stranded
audio links, then delete those links if they exist.
Checking for Stranded Audio Links
1 Open an xterm window on the ISDS.
2 Type cd /var/log and press Enter. The /var/log directory becomes the working
1 Open an xterm window on the ISDS.
2 Type cd /var/log and press Enter. The /var/log directory becomes the working
directory.
3 Type grep -i aiff dncsLog and press Enter. The system checks the dncsLog for
the presence of aiff.
Note: The file extension of audio files the MMM Server uses is .aiff.
Note: The file extension of audio files the MMM Server uses is .aiff.
4 Did the grep operation from step 3 return a line similar to the following?
[Date Time] dncs bfsServer VGSDir::_checkLinkedFiles() Error, can't find
file/MMMAud/a1847750.aiff, marking as inaccessible
If yes, go to Deleting Stranded Audio Links, next in this document.
If no, close the xterm window. You are finished with this procedure.