Cisco Headend System Release 2.7 릴리즈 노트
6
4023675 Rev B
Site Requirements
DNCS and Application Server Hardware Platforms
Introduction
This section describes the hardware configurations that are supported by DTACS
1.2.
1.2.
DNCS Hardware Configurations
Ensure your site meets the following DTACS hardware requirements before
upgrading to DTACS 1.2. The following table lists the minimum requirements for
the DTACS hardware platforms that are supported by DTACS 1.2.
upgrading to DTACS 1.2. The following table lists the minimum requirements for
the DTACS hardware platforms that are supported by DTACS 1.2.
DTACS Server
Platform
Platform
Hard Drive
Configuration
Configuration
Memory
Processor
Sun Netra T5440
4 x 146 GB
32 GB
min.
min.
2 x UltraSPARC T2 1.2 GHz
8 core
8 core
Sun Netra T5220
2 x 146 GB
8 GB min.
1 x UltraSPARC T2 1.2 GHz
4 core
4 core
Scheduling Requirements
With the live upgrade, your site only needs to be down for 2 to 3 hours during the
entire upgrade process. Most of the upgrade procedures have no system impact. The
pre-install and pre-upgrade steps can be performed at any time of day. However, the
actual upgrade process normally takes place during a maintenance window
beginning at midnight. The following table provides a breakdown of each upgrade
process.
entire upgrade process. Most of the upgrade procedures have no system impact. The
pre-install and pre-upgrade steps can be performed at any time of day. However, the
actual upgrade process normally takes place during a maintenance window
beginning at midnight. The following table provides a breakdown of each upgrade
process.
Process
Length of Time
Activity
Pre-install
1-3 hours
Activities are performed by Cisco Services, including
checking the overall health of the system. These
activities do not impact the system.
checking the overall health of the system. These
activities do not impact the system.
Pre-upgrade
3-4 hours
Backing up the system:
Back up the DTACS components
Back up the DNCS and Application Server files
Complete system checks
These activities do not impact the system.