Cisco Headend Digital Broadband Delivery System Guia Do Utilizador
749640 Rev D
Improve Backup Reliability With the bkchk Utility
3-7
Run the bkchk Utility
Introduction
System operators can run the bkchk utility with the following options:
•
•
-i — installs an entry for the bkchk utility in the crontab file of the DNCS.
•
-t — displays the backup date associated with the tape in the tape drive.
•
-h — displays a screen that shows all the options with which the bkchk utility can
be run.
•
-v — displays the version number of the bkchk utility on your system
The procedures in this section guide you through the steps required to run the bkchk
utility.
Creating a crontab Entry
Follow these instructions to configure your system to create an entry in the crontab
file of the DNCS so that the system executes the bkchk utility automatically every
day.
1.
If necessary, open an xterm window on the DNCS.
2.
Type bkchk.ksh -i and then press Enter.
Result: The system creates an entry in the crontab file of the DNCS so that
Result: The system creates an entry in the crontab file of the DNCS so that
the bkchk utility executes every night at 11:45, Monday through Saturday.
Note: System operators can later edit the crontab file to change the time
Note: System operators can later edit the crontab file to change the time
during which the system runs the bkchk utility.
Important: Do not attempt to edit the crontab file unless you are a skilled
Important: Do not attempt to edit the crontab file unless you are a skilled
user of the UNIX vi text editor and have experience in editing the crontab file.
Call Cisco Services for assistance.
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