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HP0-242

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HP Certified Professional
Supporting the ESL9000
(HP0-242)
Exam Preparation Guide

Purpose of the exam prep guide

The intent of this guide is to set expectations about the content and the context of the exam and to help candidates prepare for it. In this guide, you will find recommended HP training courses, reference and study material to help you achieve a successful passing score.

Studies conducted by HP and Prometric show that a combination of course attendance and self-study maximizes the likelihood of passing the exam on the first attempt.

Audience

This exam is for personnel supporting ESL9000 storage products with a minimum of six months in a support role. Examples of job roles:

 HP ASE engineer

 HP Channel Partners supporting HP storage products (e.g., engineers who perform warranty and installation services)

General areas of content include:

 Storage fundamentals and technologies

 The HP product and solutions portfolio

 Planning and design approaches to deploying HP StorageWorks solutions

 ESL9000 installation, configuration, and startup and upgrade procedures

 Troubleshooting and repair practices and procedures

 Administration and operation of solutions

Rev. 4.12 1

Supporting the ESL9000 (HP0-242) Exam Preparation Guide

Certification requirements

The Supporting the ESL9000 (HP0-242) exam is an elective exam for the
Accredited Systems Engineer – Nearline certification.

This level of certification measures the competencies required for hands-on integration and support of technical solutions in complex, enterprise class environments. Given a set of customer business requirements, this individual
is expected to be able to design, support and integrate platform, operating system, nearline storage, network and option components to solve business
needs. The ideal candidate is anyone who deploys complex solutions based
on HP nearline technologies. Job functions include, but are not limited to:

 Plan, design and capacity-size solutions

 Install, configure, startup and upgrade solution components

 Performance tune and optimize solutions

 Troubleshoot solutions and perform removal and replacement operations

 Perform system administration and operational tasks

 Manage using HP tools and resources.

Prerequisites

 HP Accredited Integration Specialist (AIS) certification

Exam details

At the beginning of the exam, you will be asked to answer several survey questions. The survey has been designed to assist the exam development team in accurately profiling test results and to improve future exams.

 Number of items: 62

 Item types: Multiple choice and drag-and-drop

 Time commitment: 90 minutes

 Reference Material: No on-line or hard copy reference material will be allowed at the testing site.

Comments on the exam

During the exam, participants can make specific comments about the items
(examples: accuracy, appropriateness to audience). HP welcomes these comments as part of our continuous improvement process.

Exam content

The following testing objectives represent the specific areas of content covered in the exam. Use this outline to guide your study and to check your

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Supporting the ESL9000 (HP0-242) Exam Preparation Guide

readiness for the exam. The exam measures your understanding of these
areas.

Supporting the ESL9000 (HP0-242)

1.0 Storage Fundamentals and Technologies Supporting the HP ESL9000
Library Product.

Interpret the commands and protocols associated with the SCSI standard when communicating to peripheral devices.

Identify the peripheral devices redefined by the SCSI-3 standard, stating the common and unique commands associated with each type.

• Block Devices

• Stream Devices

• Medium Changer Devices

Identify the Fibre Channel architecture, features and operation

Recognize Fibre Channel in a customer environment and describe the different components.

Define the requirements, limitations and configuration rules for Fibre Channel interconnect hardware and selected switched fabric options.

• Configuration rules for cable types/lengths

• Connector types (example: GBICs)

• Explain Fibre Channel status indicator

 Define the function, characteristics, and limitations of Fibre Channel associated StorageWorks hardware components.

• HBA

• GBIC

• GLM

• Hubs

• Switches

• Transceivers

 Short Wave

 Very Long Wave

 Long Wave

Identify and explain the various technologies implemented in HP backup tape solutions.

 Identify HP backup tape solutions.

• DAT

Rev. 4.12 3

Supporting the ESL9000 (HP0-242) Exam Preparation Guide

• AIT

• DLT/SuperDLT

• LTO

Explain how proper tape media handling is done.

2.0 HP Product and Solutions Portfolio and Where Used

Describe the features and benefits of HP OpenView software solutions and components, including methodologies for implementation, restrictions, or limitations

 Data Management

• Data Protector

• Media Operations

• EBS Availability Management
 Multipathing support for nearline storage

Describe the features and benefits of HP network storage solutions and components including methodologies for implementation, restrictions, or limitations

 NAS

 MSA1000

 Virtual Array VA7×10

 Enterprise Virtual Array EVA3000

 Enterprise Virtual Array EVA5000

 HP-XP

Describe the features and benefits of HP infrastructure solutions and components including methodologies for implementation, restrictions, or limitations

 B Series (Brocade) switches

 C Series (Cisco) switches

 M (McData) Series switches

Describe the features and benefits of HP Tape and Optical components including methodologies for implementation, restrictions, or limitations

 Single Drives

 Autoloaders

 Libraries

 Jukeboxes

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Supporting the ESL9000 (HP0-242) Exam Preparation Guide

3.0 Planning and Design to Deploy StorageWorks solutions.

Describe the steps and approaches to proper planning and design of the storage subsystem to meet customer capacity requirements.

 Describe how the various ESL9000 solutions and technologies affect your product selection from the capacity perspective.

• Describe the ESL9000 models

 Number of slots

 Slot-based licenses

 Cascading of different ESLs

 Tape drive technologies

 Describe steps necessary to check for the presence of Master/Slave
RS232 ports on older ESL libraries

Describe the steps and approaches to proper planning and design of the ESL
subsystem to meet customer high-availability requirements.

 Describe the components and their handling to support redundancy and minimal operational interruptions.

• Redundant components

• Hot-pluggable components

 Describe the ESL9000 Remote Management Board configurations.

• Enhanced interface controller (example: Network Storage Router support

• Command View ESL/SNMP

 Secure Manager—Selective Storage Presentation

• Data Protector integration

 Describe the ESL data replication possibilities.

• RAIT

Describe the steps and approaches to proper planning and design of the ESL
subsystem to meet customer performance requirements.

 Describe the key factors that impact performance of a streaming tape drive

• Compression

• Adaptive Tape Drive speed

• SCSI configuration Rules

• FC2SCSI bridge configuration

 Describe the different available tape drive types

Rev. 4.12 5

Supporting the ESL9000 (HP0-242) Exam Preparation Guide

• SDLT

• LTO

 Describe how the host configuration and architecture impact performance of the tape drive subsystem.

• Network adaptor

• Fibre Channel Adaptor (FCA)

• SAN Fabric

Describe the steps and approaches to proper planning and design of the storage subsystem to meet customer’s environmental requirements.

 Space

 Distance

 Thermal

 Electrical

 Physical dimensions

Recognize backup and restore issues associated with FC-AL limitations

 Performance

• Arbitration timing

 Loop Disruptions

4.0 ESL9000 Subsystem Installation and Configuration. Hardware components
 Describe the ESL9000 family and their components

• Identify the different ESL9000 models

• Define possible multi-unit configurations

• Define the Pass-Through Mechanism (PTM) and its integration

• Identify the E2400/E2400-160 Fibre Channel option

• Identify the E1200/E1200-160 Fibre Channel option

• Identify the Extended Tape Library Architecture components

• Explain the purpose of the ESL card cage

 Identify the different supported tape drives

• Define where to install DLT/SDLT tape drives

• Define where to install LTO tape drives

• Describe supported configurations

 List field replaceable units and their functions

6 4.12

Supporting the ESL9000 (HP0-242) Exam Preparation Guide

Demonstrate proper library configuration

 Identify correct SCSI cabling and termination

 List default configuration settings

 Explain how to set up the SCSI IDs

 Explain how to set up the Library Options

• Describe ‘Config’ and ‘Options Config’ possibilities and their limitations in the Operators GUI on the front panel

• Explain the meaning of the Library ‘Model number’ and IEEE serial number

 Explain how to setup the PTM

• Demonstrate how to install PTM components

• Describe proper PTM cabling

• Describe proper PTM configuration using the OCP Communication setting up and using the LibDiag utility
 Identify the necessary cable and connector

 Demonstrate the setup and configuration functions of the LibDiag utility

Demonstrate the ability to properly use HP Library and Tape Tools (LTT)

 Verify the host to drive/library connection

 Execute the format utility

 Execute the read/write test utility

 Execute a firmware upgrade or downgrade

 Use the operators console to check the robotics operation

 Run a tape drive test—EBS Utility HP Tape

 Draft and email a support ticket

Operations

 Explain the power-on and initialization sequence

 Describe the Library status screen of the GUI on the front panel

• Service Report System Monitor

 Tape Operation and Handling

 Identify and execute the different Menu selections related to Library
Operation OCP

 Password level

5.0 Troubleshooting, Repair Practices, and Upgrade Procedures

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Supporting the ESL9000 (HP0-242) Exam Preparation Guide

Given a problem scenario, identify the cause of tape storage related
problems.

 Identify utilities that should be used, and common questions that should be asked, when determining a customer storage problem.

• List common symptoms for tape storage related problems.

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• Determine if a given problem is hardware, firmware, or software related.

 Collect status LEDS and fault symptom codes

 Examine software error logs

• Explain how to remove and replace a hot-plug tape drive

Given a problem scenario, identify the cause of robotics-related problems.

 Identify utilities that should be used, and common questions that should be asked, when determining a library robotics problem.

• List common symptoms for robotics-related problems.

• Determine if a given problem is hardware, firmware, or software related.

• Explain how to remove and replace robotic components

 Gripper assembly

 Servo motors

Describe the meaning of common errors and diagnostic messages and use them to identify failed components.

 Interpret ESL and tape drive status

• Status LEDs

 Power supply LEDs

 Tape drive status LED

 SCSI Terminator Power LED

 RMCard Network activity LED

 NSR E-1200 (embedded) activity LEDs

 NSR E-2400 (embedded) activity LEDs

 Actuator Driver LEDs

• Front Panel Library Status Display

 Interpret the ESL extended sense byte messages

 Explain the contents of the Service Panel/Report/System
Monitor

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Supporting the ESL9000 (HP0-242) Exam Preparation Guide

 Explain the contents of the Operator Panel/Actuator Status
and Errorlog Menu

 Understand the sequence and output of the POST

 Understand the troubleshooting procedures

 Perform correct FRU replacement

• Remove and replace ESL9000 electrical components

• Remove and replace ESL9000 mechanical components

Describe how to retrieve detailed information for solid and intermittent problem scenarios

 Use the front panel built-in diagnostics

 Run and understand LibDiag Test routines

• Execute LibDiag robotics single instructions and save them into a macro file

• Save text output into a text file

 Troubleshoot termination problems

• Shunt device in termination path

• Verify proper termination

• Verify correct cable length

Given a problem scenario, identify the cause of FC-related problems

 Explain common interface connector (example: NSR) related problems

 Explain fabric zoning and NSR mapping related problems

Describe how to update the ESL Library

 Explain how to update the robotics controller firmware

• Explain how to obtain the firmware image for LibDiag

• Explain how to check the hardware prerequisites for the firmware update

 Memory size

 Robotics controller and actuator driver module versions according to the release notes

 Explain how to update the tape drive firmware

 Explain how to update the tape drive hardware

• Check for installed HVD/LVD SCSI components

• Check for valid multi-media configurations

• Describe the different methods of updating the tape drive firmware

Rev. 4.12 9

Supporting the ESL9000 (HP0-242) Exam Preparation Guide

 Explain how to upgrade the robotics firmware memory cache module

 Password level

6.0 Administering and Operating the Solution

Identify the utilities to access and operate the ESL9000

 OCP

 LibDiag

 LTT

 Interface Manager

Describe how to verify the operational state of the storage system

 Describe the possible error indications on the OCP

 Describe how to verify the configuration of tape drives and media repository slots

Describe how to verify the operational state of the NSR

 Describe how to access the NSR

Explain how to operate the Interface Manager

Explain the operational requirements

 Barcode labels

 Tape cartridges operations

• Import and export

• Inventory

• Cleaning cartridge operation

Recommended Training and Study References

This section lists training courses and documents that can help you acquire a majority of the knowledge and skills needed to pass the exam. You must also gain the practical experience outlined in this guide

You are not required to take the courses listed in this section. However, HP strongly recommends that you attend the classes, participate in class labs, and thoroughly review all course material and documents before taking the exam, even if you believe you have sufficient on-the-job experience.

10 4.12

Supporting the ESL9000 (HP0-242) Exam Preparation Guide

Instructor-led training

Use the information in this guide and the practical experience you have gained to determine your need for the instructor-led training.

Title Course Number How to Enroll
StorageWorks
Enterprise ESL9000
Series Maintenance
ILT 2083 External

Americas:

http://www.hp.com/go/training

Asia-Pacific:

http://psaweb07.sgp.hp.com/appa/English/I

ndex.aspx

Internal

http://tslearner.den.hp.com/redirect.asp?page=

DisplayCatalogItem&item=2083

Web-Based Training

Title Course Number How to Enroll
ESL9000 Library Service and Support Prerequisite WBT 16654 External

www.hp.com/go/oonline rapidshare 4shared linkslearning

Asia Pacific:

http://www.hp.com/go/oonline rapidshare 4shared linkslearning/

Internal

http://tslearner.den.hp.com/main_app.asp?

PageName=SearchResults&PageArgs=Pa
geNumber~~1^^ASchkType1~~ON^^ASch
kType2~~ON^^ASchkType3~~ON^^ASchk
IncludeVirtual~~ON^^ASSearchBox~~166
54

Documentation and other reference material

A comprehensive list of documentation and references is provided in the training material.

Sample Test Items

Sample test items give you a preview of what the actual test items will look like. It is important to note that these items WILL NOT be on the exam itself. However, they are representative of the actual items, and they should help

Rev. 4.12 11

Supporting the ESL9000 (HP0-242) Exam Preparation Guide

you become familiar you with the format and complexity of the test items.
These sample test items are not a check for readiness.

1. What must be checked before installing the Pass-Through Mechanism
(PTM) in an ESL9000 library? Select TWO. A. interface connector revision
B. firmware version

C. robotic assembly type

D. drive type

E. robotic controller board type

2. Which component is most likely to be the limiting factor in terms of performance when doing a Client Server Backup?

A. backup server

B. network interface card

C. storage controller

D. host bus adapter

3. The ESL9000 expansion cage (card cage) is required for installing _____. A. P3413A Ultra3 SCSI adapters
B. Uninterruptible Power Supply (UPS) controller cards

C. E2400-160 Fibre Channel interface controllers

D. PCI 56k phone-home modems

4. You installed the Pass-Through Mechanism (PTM). Using the control panel, how do you bring a multi-unit library system (MULS) oonline rapidshare 4shared links?

A. Set each library to System On-line, starting with the right-most library

B. Set each library to System On-line, starting with the left-most library.

C. Issue the Mode Sense command, starting with the right-most library.

D. Issue the Mode Sense command, starting with the left-most library.

5. At the ESL9000 series tape library, where do you connect a PC running
LibDiag?

A. 9-pin diagnostics port on the bulkhead

B. USB diagnostics port underneath the Operator Control Panel

C. 10Base-T connector on the memory module

D. Centronics port on the ESL9000 expansion cage

12 4.12

Supporting the ESL9000 (HP0-242) Exam Preparation Guide

6. What should you do if a tape cartridge is dropped, or damage is
suspected?

A. Gently shake the cartridge. A rattling noise indicates it is damaged.

B. Pull out the tape leader for about 5cm. Strong resistance indicates it is damaged.
C. Run the Media Exerciser Test of the Library & Tape Tools. D. Re-tension the tape by using the appropriate function in the
backup application.

7. What must you do after replacing the extension axis assembly? Select
TWO.

A. Perform a full inventory of the library. B. Adjust the y-axis belt.
C. Adjust the barcode scanner vertical and horizontal position.

D. Adjust the horizontal and vertical position by running a drive calibration.

E. Adjust the x-axis belt.

8. What must be done before replacing an ESL9000 memory module? A. Initialize Non-Volatile RAM.
B. Set the library for HP mode.

C. Record the library configuration information. D. Calibrate the library.
9. Which Operator Control Panel Screen enables you to monitor current library activity?

A. Operator B. Services C. Overview D. Tapes
10. You start a firmware upgrade on an ESL Interface Manager using a
Command View ESL GUI. What happens if you establish a serial connection to the ESL Interface Manager before the firmware upgrade finishes?

A. You have immediate Command Line Interface (CLI) access. The firmware upgrade will complete normally.

B. The CLI is inaccessible until the firmware upgrade completes.

C. The message “UPGRADING FIRMWARE. DO NOT DISTURB!” is displayed on your terminal screen.

D. The firmware upgrade fails and the device being upgraded may require physical repair.

Rev. 4.12 13

Supporting the ESL9000 (HP0-242) Exam Preparation Guide

ANSWERS:

1. B, E 5. A 9. C
2. B 6. A 10. D
3. C 7. A, C
4. A 8. C

Conclusion

HP wishes you success in the HP Certified Professional Program and in passing the exam for which you are preparing.

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