Cisco Headend System Release 2.5 Installation Guide
5-50
SR 2.5 and SR 3.5 Post Upgrade Procedures
78-738190-01 Rev B
Remove Scripts That Bounce the Pass Through Process
Introduction
In order to correct some issues associated with the Pass Through process on the
DNCS, some sites have been regularly bouncing this process through scripts that
reside in the crontab file. SR 2.5 and SR 3.5 contain software that corrects issues
associated with the Pass Through process. Therefore, after the upgrade, installation
engineers should remove any entries in the crontab file that reference scripts that
bounce the Pass Through process. The instructions in this section guide you through
the process of removing these references.
Note: The scripts that Cisco wrote to bounce the Pass Through process are called
Note: The scripts that Cisco wrote to bounce the Pass Through process are called
elop.sh and bouncePassThru.
Removing Scripts That Bounce the Pass Through Process
Follow these instructions to remove entries from the crontab file that reference
scripts that bounce the Pass Through process.
1.
If necessary, open an xterm window on the DNCS.
2.
Follow these instructions to check on the presence of scripts in the crontab file
that bounce the Pass Through process.
a) Type crontab -l | grep -i elop.ksh and then press Enter.
a) Type crontab -l | grep -i elop.ksh and then press Enter.
Result: The system lists the line(s) within the crontab file that contain
elop.ksh.
b) Type crontab -l | grep -i bouncePassThru and then press Enter.
Result: The system lists the line(s) within the crontab file that contain
bouncePassThru.
3.
Did the output of step 2 contain any references to the elop.ksh or the
bouncePassThru scripts?
•
•
If yes, go to step 4 to remove those references.
•
If no, then go to Verify SR 2.5 and SR 3.5, next in this chapter.
Note: You do not have to remove any references to the scripts from the
Note: You do not have to remove any references to the scripts from the
crontab file.
4.
Type crontab -l > /tmp/dncs.crontab and then press Enter.
Result: The system redirects the contents of the crontab into dncs.crontab.
Note: While you can edit the crontab directly, Cisco recommends that you
Result: The system redirects the contents of the crontab into dncs.crontab.
Note: While you can edit the crontab directly, Cisco recommends that you
first redirect the contents of the crontab to dncs.crontab so you can recover the
original crontab if necessary.