Cisco Headend System Release 2.5 설치 가이드
Chapter 2 DNCS Pre-Upgrade Procedures
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4042389 Rev A
Back Up Various Data Files
Our engineers recommend that you back up to tape the data in the signonCount.out
and signonCount.fixrpt files, as well as the data in the dhctStatus2 directory. You can
then use this data as a reference and troubleshooting tool in the event that there are
problems with the system after the upgrade. The instructions in this section guide
you through the steps of backing up these files.
and signonCount.fixrpt files, as well as the data in the dhctStatus2 directory. You can
then use this data as a reference and troubleshooting tool in the event that there are
problems with the system after the upgrade. The instructions in this section guide
you through the steps of backing up these files.
Backing Up Various Data Directories
Follow these instructions to back up the signonCount.out and signonCount.fixrpt
files, as well as the data in the dhctStatus2 directory.
1 Label a tape with the date and the following title:
files, as well as the data in the dhctStatus2 directory.
1 Label a tape with the date and the following title:
signonCount / dhctStatus2 Backups
2 Insert the tape into the tape drive of the DNCS.
3 From an xterm window on the DNCS, type the following command and press
3 From an xterm window on the DNCS, type the following command and press
Enter. The system backs up the specified files.
tar cvf [device name] /dvs/dncs/tmp/signonCount.out
/dvs/dncs/tmp/signonCount.fixrpt /dvs/dncs/tmp/dhctStatus2
/dvs/dncs/tmp/signonCount.fixrpt /dvs/dncs/tmp/dhctStatus2
Note: Substitute the device name of the DNCS tape drive for [device name] How
to Determine the Tape Drive Device Name (on page 87).
Example:
to Determine the Tape Drive Device Name (on page 87).
Example:
tar cvf /dev/rmt/0h /dvs/dncs/tmp/signonCount.out
/dvs/dncs/tmp/signonCount.fixrpt /dvs/dncs/tmp/dhctStatus2
4 When the backup is complete, eject the tape and store it in a safe place.
Backing Up Modulator Configuration Files
In the event that you ever need to access the pre-upgrade configuration files of the
QAM-family and QPSK modulators, follow these instructions to make a backup
copy.
1 From a root xterm window, type mkdir /tftpboot/backup_4.2_preSP4 and then
QAM-family and QPSK modulators, follow these instructions to make a backup
copy.
1 From a root xterm window, type mkdir /tftpboot/backup_4.2_preSP4 and then
press Enter.
2 Type cp –p /tftpboot/*.config /tftpboot/backup_4.2_preSP4 and then press
Enter. The system copies all .conf files to the /tftpboot/backup directory.