Cisco Headend System Release 2.5 Installationsanleitung
78-738190-01 Rev B
Enable Disk Mirroring
7-1
Chapter 7
Enable Disk Mirroring
Overview
Introduction
Follow the procedure in this chapter only if you have upgraded an Enterprise 450 or
a Sun Fire V880 DNCS during the upgrade to SR 2.5 or SR 3.5.
Important: Be sure that you complete this procedure during the current
Important: Be sure that you complete this procedure during the current
maintenance window on the night of the DNCS upgrade. If you wait until the
following night to complete this procedure, the DNCS will operate an entire day
without its disk-mirroring functions in place.
Important Note to Consider
You should follow the procedure in this chapter only under one of the following
circumstances:
•
•
You are satisfied with the upgrade and want to commit the system changes
Note: Rolling back an upgrade after completing the procedure in this chapter is
Note: Rolling back an upgrade after completing the procedure in this chapter is
time consuming and takes more effort.
•
You have rolled back from an unsuccessful upgrade and want to synchronize the
mirrors
In This Chapter
This chapter contains the following topic.
Topic
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