Cisco Headend System Release 2.7 Installation Guide
Re-Enable the Disk Mirroring Function
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Re-Enable the Disk Mirroring Function
In Detach Disk Mirrors on the DNCS (on page 47), you detached the mirroring
function of the DNCS. If your system upgrade appears successful, wait a day to
verify that the DNCS functions properly with the new software. Then, re-enable the
disk mirroring function so that the DNCS can continue storing identical information
across several sets of hard drives.
function of the DNCS. If your system upgrade appears successful, wait a day to
verify that the DNCS functions properly with the new software. Then, re-enable the
disk mirroring function so that the DNCS can continue storing identical information
across several sets of hard drives.
Important: If your upgrade is unsuccessful, refer to Appendix A, SR 2.8.2/3.8.2/4.3.2
Rollback Procedures (on page 93).
Rollback Procedures (on page 93).
Re-Enabling the Disk Mirroring Function
Follow these instructions to re-enable the disk mirroring function of the Enterprise
450 or Sun Fire V880 DNCS.
450 or Sun Fire V880 DNCS.
Important: Before following these instructions, wait at least 24 hours after the
upgrade to verify that your DNCS operates properly with the new software.
1 Complete the following steps to log on to the xterm window as root user.
upgrade to verify that your DNCS operates properly with the new software.
1 Complete the following steps to log on to the xterm window as root user.
a Type su - and press Enter. The password prompt appears.
b Type the root password and press Enter.
b Type the root password and press Enter.
2 Insert the DBDS Maintenance CD into the cdrom drive of the DNCS.
3 Type the following command and press Enter.
3 Type the following command and press Enter.
/cdrom/cdrom0/s3/backup_restore/mirrState -a
Result: The system displays the following message:
WARNING!!
Proceeding beyond this point will ATTACH all Controller 2
submirrors.
submirrors.
Are you certain you want to proceed?
4 Type y and then press Enter. The system enables the disk mirroring functions on
the DNCS.
Note: Depending upon your system configuration, it may take up to an hour to
mirror all of the data on the mirrored disks.
Note: Depending upon your system configuration, it may take up to an hour to
mirror all of the data on the mirrored disks.