Information About Package Management; Overview Of Package Management - Cisco CRS-1 - Carrier Routing System Router Getting Started Manual

Chapter 6 Managing Cisco IOS XR Software Packages
The internal flash disk (disk0:) is used by the system, and should never be manipulated by the user. In
Note
addition, the hard disk is used to store system files, such as logs and user files. It should also not be used
to store installation PIE files. See the
memory and file storage options.
Network Server: Downloading Updated PIE Files
Installable PIE software packages can also be downloaded from a TFTP, an FTP, or an rcp server to the
archive on disk1:. Contact your system administrator for the location and availability of your network
server. For information on the supported download protocols and command syntax to copy or install
packages, see the

Information About Package Management

This section describes the following concepts for managing Cisco IOS XR software packages:
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Overview of Package Management

Figure 6-3
Figure 6-3 Process to Add, Activate, and Commit Cisco IOS XR Software Packages
Archive of
PIE files
Flash disk1:
(removable)
Install Add
TFTP, FTP, or
RCP file server
"Copying, Adding, and Activating Packages" section on page
Overview of Package Management, page 6-17
Upgrading Packages, page 6-18
Downgrading Packages, page 6-19
Impact of Package Version Changes, page 6-19
Impact of Package Activation and Deactivation, page 6-19
Controlling install Command Operation, page 6-23
Activation and Deactivation Prerequisites, page 6-20
illustrates the packet Management process.
Inactive
Software
Flash disk0:
(internal)
"File Storage" section on page 1-11
Active
Software
Configuration
Install Activate
Install Deactivate
Cisco CRS-1 Series Carrier Routing System Getting Started Guide
Information About Package Management
for more information on router
6-22.
Committed
Software
Configuration
Install Commit
6-17