Upgrading Software; Overview; Software Types; Software File Naming Conventions - HP 5920 series Fundamentals Configuration Manual

Upgrading software

Overview

Software upgrade enables you to have new features and fix bugs. This chapter describes types of
software and how to upgrade software from the CLI without using ISSU. For a comparison of all software
upgrade methods, see

Software types

The following software types are available:
Boot ROM image—A .bin file that contains a basic segment and an extended segment. The basic
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segment is the minimum code that bootstraps the system. The extended segment enables hardware
initialization and provides system management menus. You can use these menus to load software
and the startup configuration file or manage files when the device cannot start up correctly. For easy
software compatibility management, the Boot ROM image is contained in the Boot image file. The
Boot ROM image is upgraded automatically when the Boot image is upgraded.
Comware image—Includes the following image subcategories:
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Boot image—A .bin file that contains the Linux operating system kernel. It provides process
management, memory management, file system management, and the emergency shell.
System image—A .bin file that contains the minimum feature modules required for device
operation and some basic features, including device management, interface management,
configuration management, and routing. To have advanced features, you must purchase feature
images.
Feature image—A .bin file that contains advanced software features. Users purchase feature
images as needed.
Patch image—A .bin file irregularly released for fixing bugs without rebooting the device. A
patch image does not add new features or functions.
Comware software images that have been loaded are called current software images. Comware
images specified to load at the next startup are called startup software images.
Boot ROM image, boot image, and system image are required for the system to work. These images
might be released separately or as a whole in one .ipe package file. If an .ipe file is used, the system
decompresses the file automatically, loads the .bin boot and system images, and sets them as startup
software images.

Software file naming conventions

Software image file names use the chassis-comware version-image type-release format, for example,
5920-CMW710-SYSTEM-R2310.bin and 5920-CMW710-BOOT-R2310.bin. This document uses
boot.bin and system.bin as boot and system image file names.
"Upgrade methods."
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