Cisco Headend System Release 2.7 릴리즈 노트
Chapter 2 Site Requirements
6
4038417 Rev A
Upgrade Logistics
Introduction
This section contains information that can help system operators plan the upgrade to
SR 2.8.2/3.8.2/4.3.2.
SR 2.8.2/3.8.2/4.3.2.
Supported Upgrade Path
Note these important upgrade requirements:
Systems that upgrade to SR 2.8.2/3.8.2/4.3.2 must currently be operating with
system software from SR 4.3 or later, as well as DHCT client operating system
(OS) 3.1 or later.
system software from SR 4.3 or later, as well as DHCT client operating system
(OS) 3.1 or later.
The upgrade software is on CD. For upgrade instructions, refer to System Release
2.8.2/3.8.2/4.3.2 CD Upgrade Installation Guide (part number 4038415). Rollback
procedures and software are also provided in the event that the upgrade is
unsuccessful.
2.8.2/3.8.2/4.3.2 CD Upgrade Installation Guide (part number 4038415). Rollback
procedures and software are also provided in the event that the upgrade is
unsuccessful.
You must already have the DBDS Utilities software installed on the DNCS and
should have already run the pre-upgrade checks to ensure system compatibility
with SR 2.8.2/3.8.2/4.3.2 CD upgrade requirements. Refer to DBDS Utilities
Version 6.3 Installation Instructions and User Guide (part number 4031374) for
instructions on installing and executing the DBDS Utilities.
should have already run the pre-upgrade checks to ensure system compatibility
with SR 2.8.2/3.8.2/4.3.2 CD upgrade requirements. Refer to DBDS Utilities
Version 6.3 Installation Instructions and User Guide (part number 4031374) for
instructions on installing and executing the DBDS Utilities.
Time to Complete
The entire upgrade to SR 2.8.2/3.8.2/4.3.2 must be completed within a single
maintenance window that usually starts around midnight. A few pre-upgrade
procedures, consisting mainly of system checks, backups, and various operations
upon the metadevices of the DNCS, can be completed before the maintenance
window begins.
maintenance window that usually starts around midnight. A few pre-upgrade
procedures, consisting mainly of system checks, backups, and various operations
upon the metadevices of the DNCS, can be completed before the maintenance
window begins.
Cisco engineers have determined that a typical site can be upgraded within one
maintenance window. See Scheduling Requirements (on page 9) for additional
details.
maintenance window. See Scheduling Requirements (on page 9) for additional
details.
System Performance Impact
Interactive services will not be available during the maintenance window.