Руководство По Установке для Cisco Headend System Release 2.7
About This Guide
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About This Guide
Purpose
This guide provides step-by-step instructions for upgrading a Digital Broadband
Delivery System (DBDS) to System Release (SR) i4.2.2.
Delivery System (DBDS) to System Release (SR) i4.2.2.
SR i4.2.2 Features Live Upgrade
The upgrade to SR i4.2.2 features the Solaris Live Upgrade. Through use of the Live
Upgrade, engineers can upgrade the system to SR i4.2.2 without having to shut
down the system processes until activation of the new system software.
Upgrade, engineers can upgrade the system to SR i4.2.2 without having to shut
down the system processes until activation of the new system software.
Upgrade Path
Sites that upgrade to SR i4.2.2 must currently support SR i4.2.1 or SR i4.2.
How Long to Complete the Upgrade?
The upgrade to SR i4.2.2 is to be completed from within a maintenance window that
usually begins at midnight. Upgrade engineers have determined that a typical site
can be upgraded within one maintenance window. The maintenance window should
begin when you stop system components in Chapter 2.
usually begins at midnight. Upgrade engineers have determined that a typical site
can be upgraded within one maintenance window. The maintenance window should
begin when you stop system components in Chapter 2.
System Performance Impact
Interactive services will not be available during the maintenance window.
Audience
This guide is written for field service engineers and system operators who are
responsible for upgrading an existing DBDS to SR i4.2.2.
responsible for upgrading an existing DBDS to SR i4.2.2.
Read the Entire Guide
Please review this entire guide before beginning the installation. If you are
uncomfortable with any of the procedures, contact Cisco® Services at 1-866-787-3866
for assistance.
Important: Complete all of the procedures in this guide in the order in which they
are presented. Failure to follow all of the instructions may lead to undesirable
uncomfortable with any of the procedures, contact Cisco® Services at 1-866-787-3866
for assistance.
Important: Complete all of the procedures in this guide in the order in which they
are presented. Failure to follow all of the instructions may lead to undesirable