Chapter 20 Show Commands

show boot

show boot

To display the boot variables or modules, use the show boot command.

 

 

show boot [module [slot variable-name] sup-1 sup-2 variables]

 

 

 

 

Syntax Description

 

module

Displays the boot variables for modules.

 

 

 

 

 

 

slot

Specifies a module by the slot number.

 

 

 

 

 

 

variable-name

Specifies the variable. Maximum length is 80 characters.

 

 

 

 

 

 

sup-1

Displays the upper sup configuration.

 

 

 

 

 

 

sup-2

Displays the lower sup configuration.

 

 

 

 

 

 

variables

Displays the list of boot variables.

 

 

 

 

 

 

 

 

Defaults

 

None.

 

 

 

 

 

Command Modes

 

EXEC mode.

 

 

 

 

Command History

 

This command was modified in Release 1.2(2).

 

 

 

 

Usage Guidelines

 

None.

 

 

 

 

Examples

 

The following example displays the current contents of the boot variable.

 

 

switch# show boot

 

 

 

kickstart variable = bootflash:/kickstart-image

 

 

system variable = bootflash:/system-image

Module 2

asm-sfn variable = bootflash:/asm-image

The following example displays the images on the specified ASM module.

switch# show boot module Module 2

asm-sfn variable = bootflash:/asm-image

The following example displays a list of all boot variables. The ASM-SFN boot variable is used for the ASM.

switch# show boot variables

List of boot variables are: asm-sfn

system kickstart

 

Cisco MDS 9000 Family Command Reference

20-8

78-16088-01, Cisco MDS SAN-OS Release 1.3

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Cisco Systems MDS 9000 manual Show boot, 20-8

MDS 9000 specifications

Cisco Systems MDS 9000 series is a line of storage networking switches designed to address the unique demands of enterprise-level data centers. These switches provide high-performance solutions for connecting various storage devices, including traditional disk arrays, solid-state drives, and tape libraries. The MDS 9000 series is built for scalability, high availability, and advanced security, making it an ideal choice for organizations looking to optimize their storage infrastructure.

One of the standout features of the MDS 9000 series is its support for Fibre Channel and FICON protocols, which enable seamless integration with various storage technologies. This versatility is crucial for organizations that may be using a mix of applications and storage performance requirements. The switches support multiple speeds, including 1G, 2G, 4G, 8G, and even 16G Fibre Channel rates, ensuring that they can adapt to evolving storage needs.

The MDS 9000 is known for its advanced features in terms of management and automation. Cisco provides intelligent automation capabilities to enhance operational efficiency. Features like Flow Vision and intelligent network services allow for deep visibility into storage environments, enabling administrators to monitor performance, troubleshoot issues, and optimize resource allocation effectively. This level of visibility helps organizations to mitigate risks and ensure data availability.

Security is another paramount consideration for the MDS 9000 series. The switches are equipped with a range of security features, including role-based access controls, encryption technologies, and zoning options. These capabilities help safeguard sensitive data and ensure compliance with industry regulations, making the MDS 9000 a trusted choice for enterprises dealing with critical data.

The architecture of the MDS 9000 series is designed for high availability and resiliency. With redundant power supplies and cooling systems, these switches minimize downtime and ensure continuous operation. Additionally, they offer advanced features like non-disruptive software upgrades, which eliminate the need for scheduled outages during firmware updates.

In summary, the Cisco Systems MDS 9000 series offers a robust set of features tailored for enterprise storage networking. Its support for various protocols, intelligent management capabilities, and high availability characteristics make it a preferred choice for organizations seeking to optimize their storage infrastructure for both current and future needs. By investing in the MDS 9000 series, businesses can enhance their operational efficiency, ensure data security, and maintain a competitive edge in today's data-driven landscape.