HP1-238
HP Certified Professional
Supporting the MSA1000 and SCSI JBODs
(HP1-238)
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 the exam. In this guide, you will find recommended HP training courses, reference and study material 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 MSA1000 support personnel with minimum 6 months experience in an MSA1000 support role. Examples of job roles:
HP Accredited Platform Specialist (APS) support engineer
General areas of content include storage fundamentals and technologies, the StorageWorks product line, MSA1000 troubleshooting and replacement, and MSA1000 subsystem installation, configuration, and upgrade.
Certification requirements
The Supporting the MSA1000 and SCSI JBODs (HP1-238) exam is one of the core requirements to be certified as an Accredited Platform Specialist.
This level of certification is based on remedial maintenance for the purpose of restoring consumer and business class hardware to operational levels. The ideal candidate is anyone who provides remedial maintenance on HP
products.
Prerequisites
HP StorageWorks Modular SAN Array 1000 (MSA1000) (eLMS 4630)
Exam details
This Supporting the MSA1000 and SCSI JBODs (HP1-238) exam is a beta exam. This means that you will see all the questions in the exam pool. During the final “live” exam, you will see only those items that remain after the beta test.
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Supporting the MSA1000 and SCSI JBODs (HP1-238) Exam Preparation Guide
You will receive a score report with your results after beta testing is complete
which you can use to identify areas of strength and learn about areas to improve upon for the live exam.
Please allow 3-5 months, after you have taken the beta exam, to receive your score report.
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 define the final exam forms and set the passing score. Your honest responses will assist the exam team in properly tailoring this exam to the appropriate audience.
Number of items: 197
Item types: Multiple choice and drag-and-drop.
Time commitment: 4 hours
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
(i.e., accuracy, appropriateness to audience, etc). 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 readiness for the exam. The exam measures your understanding of these areas.
Supporting the MSA1000 and SCSI JBODs (HP1-238) Exam Content
1.0 Define and recognize the storage fundamentals and technologies required to support the Compaq StorageWorks products and solutions.
Identify the different SCSI standards and how StorageWorks integrates these technologies.
Describe the different types of SCSI standard. Include the differences, characteristics, capabilities, terminology, definitions, data communication methods and the effect each has on system performance.
• SCSI I
• SCSI II
• SCSI III
• SCSI options:
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Supporting the MSA1000 and SCSI JBODs (HP1-238) Exam Preparation Guide
Fast
Wide
Ultra
• Identify the different electrical signal configurations used on a SCSI
bus:
Single ended
HVD
LVD
Recognize and describe the limitations, system requirements, and configuration rules encountered when attaching devices to a SCSI bus.
Describe the types, purpose, and function of termination on a SCSI bus:
• Active
• Passive
Describe the types, characteristics, and limitations of SCSI cables.
Describe the physical characteristics and purpose of the various SCSI connectors. State limitations and possible system problems when configured incorrectly.
• 50-Pin/50-pin HD/68-Pin/VHDCI/SCA
Describe the purpose of hardware devices attached on a SCSI bus, stating the configuration rules and required additional driver information
if applicable.
• Hard disk drives
Interpret the commands and protocols associated with the SCSI standard when communicating with peripheral devices.
Explain how SCSI addressing is performed:
• Bus
• Target
• Logical Unit Numbers (LUNs)
State the steps to set up and configure the target devices on a SCSI
bus.
• Setting target IDs
• Configuring LUNs
Identify the peripheral devices and describe the configuration rules on the SCSI bus.
• RAID controllers
• Enclosures
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Supporting the MSA1000 and SCSI JBODs (HP1-238) Exam Preparation Guide
Explain the sequence required to execute a command over a SCSI bus.
Include the SCSI commands and usage rules that apply to the operation.
• SCSI IDs and priorities
Identify the Fibre Channel (FC) architecture, features and operation.
Describe the three FC topologies. Include associated hardware and software, interconnection technology, characteristics, capabilities, terminology and definitions, and the effects each has on performance and capability.
• Point-to-Point
• FC-AL
• FC-SW/FC-SF
• Architecture of cable types/lengths:
Single Mode Fibre
Multimode Fibre
Copper
Describe the function of each port type in a selected FC topology.
• Port
• E Port
• FL Port
• GL Port
• G Port
• N Port
• L Port
• NL Port
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, for example GBICs
• Cascading
• Quickloop
• Zoning
Define the function, characteristics, and limitations of FC-associated
StorageWorks hardware components:
• HBA
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Supporting the MSA1000 and SCSI JBODs (HP1-238) Exam Preparation Guide
• GBIC
• GLM
• Hubs
• Switches
• Transceivers:
Short Wave
Long Wave
Define the differences and distinguish between Fibre Channel speeds. Identify the different RAID levels and supporting technologies, and how
StorageWorks integrates these technologies to create fault tolerance.
Define the types of RAID implementation.
Describe the different RAID levels. Include the differences, characteristics, capabilities, terminology and definitions.
• Performance and Availability Characteristics per level
• RAID 0
• RAID 1
• RAID 3
• RAID 4
• RAID 5
• RAID 0+1
• RAID ADG
Define the criteria for selecting and implementing a particular RAID
level.
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Supporting the MSA1000 and SCSI JBODs (HP1-238) Exam Preparation Guide
Describe the types of disk cache and technologies used to support
StorageWorks solutions.
• Describe caching techniques used to increase the system performance:
Read/Read Ahead
Write Behind/Write Through/Write Back
• Cache Placement:
Device Cache
Controller Cache
• Highly Available Cache:
N+1, Mirrored Cache, ECC
Battery Backup compared with non-backed up
2.0 Identify the StorageWorks product line to support customer needs.
Explain the features and benefits of HP StorageWorks subsystems and components. Include implementation methodologies, restrictions and limitations.
Identify HP SCSI components, such as FC adapters.
Describe the StorageWorks interconnect products and explain how and where to implement them:
• Hubs
• Switches
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Supporting the MSA1000 and SCSI JBODs (HP1-238) Exam Preparation Guide
3.0 Perform storage subsystem installation, configuration, start up, and
upgrade procedures.
Hardware components
Recognize and identify the main components of the MSA1000.
Free hp Sample Printable PDF VCE Download: PassGuide offers free demo for HP certification Exams You can check out the interface, question quality and usability of our IT Simulation exams before you decide to buy it. We are the only one site can offer demo for almost all products.• MSA1000 controller:
Array accelerator (cache module)
Array accelerator battery (cache battery)
Controller display
• SCSI I/O module with integrated EMU
• Redundant power supply and blower assemblies
• Fibre Channel I/O module
• MSA SAN Switch 2/8
• MSA Fabric Switch 6
• MSA Hub 2/3
• Storage enclosure 4314/4354
• Universal disk drives
List the steps in the power up sequence of the MSA1000 as seen on the controller display.
List the sequence of steps required for proper installation of a MSA1000
storage subsystem.
Recognize MSA1000 hot-pluggable components.
Describe the MSA1000 SCSI ID and bus assignments. MSA1000 software components
Demonstrate the ability to configure the MSA1000 using the Array
Configuration Utility.
Demonstrate the ability to configure the MSA1000 using the Command
Line Interface (CLI).
Describe how the MSA1000 integrates with Insight Manager 7. HP software and operating system components
Describe how to load appropriate software drivers:
• Using the MSA1000 Software Support CD
• Manually
Describe Secure Path functionality.
Describe Virtual Replicator functionality.
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Supporting the MSA1000 and SCSI JBODs (HP1-238) Exam Preparation Guide
Demonstrate the ability to interpret subsystem displays to verify operation
and check status.
LED
Controller display messages
Demonstrate the ability to perform firmware upgrades on the MSA1000
controller.
Describe ROM capabilities:
• ROM cloning
• Recovery ROM
Perform ROM upgrade using MSAFlash utility.
Demonstrate correct installation and configuration of the MSA SAN Switch 6.
Connecting to and using the CLI.
Connecting to and using the MSA Fabric Switch 6 Management utility.
Demonstrate the correct procedure for updating the MSA Fabric Switch
6 Management utility.
Demonstrate correct installation and configuration of the MSA SAN Switch
2/8.
Connecting to and using the CLI.
Connecting to and using the MSA Fabric Switch 2/8 Management utility.
Demonstrate the correct procedure for updating the MSA Fabric Switch
2/8 Management utility.
List supported configurations relating to the MSA1000.
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Supporting the MSA1000 and SCSI JBODs (HP1-238) Exam Preparation Guide
4.0 Perform proper management, troubleshooting and repair practices
and procedures.
Given a problem scenario, identify the cause of a MSA1000 storage subsystem problem.
Describe the utilities and tools that should be used, and the common questions that should be asked, when determining a customer’s MSA1000 storage problem.
List the common symptoms for MSA1000 storage-related problems.
List common visual symptoms for MSA1000 storage-related problems.
• Identify and determine environmental causes for storage system failures.
Determine if a given problem is related to hardware or software.
• List and perform the steps to perform logical troubleshooting on the
MSA1000.
Identify common errors, interpret operating system and diagnostic messages, and identify the failed components for a given MSA1000 problem.
• Interpret system LED messages:
MSA1000 controller
FC I/O module
SCSI I/O module with integrated EMU
Power supply/blower assembly
Enclosure status
Hard drive indicators
MSA Fabric Switch 6
MSA SAN Switch 2/8
MSA Hub 2/3
• Display messages
Describe how to retrieve and interpret driver messages.
• Interpret host error log events and operating system messages to analyze storage subsystem errors and isolate fault conditions.
Determine common errors shown in Insight Manager 7.
Given a problem scenario, choose the best method to repair or replace the defective subsystem or components.
Perform correct CRU or FRU replacement procedures.
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Supporting the MSA1000 and SCSI JBODs (HP1-238) Exam Preparation Guide
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.
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
HP StorageWorks
Modular SAN Array
1000 (MSA1000) elms 4630 http://www.hp.com/go/training
http://tslearner.den.hp.com/redirect.asp?page=
DisplayCatalogItem&item=4630
Web-based Training
Self-paced training and technical documentation may provide appropriate learning alternatives to instructor-led training for more experienced candidates.
Title Course Number How to Order/Obtain
Storage Technologies Web Based Training 1822 External http://vsslfpro.compaq.com/plm/
Internal
http://tslearner.den.hp.com/redirect.asp?page=
DisplayCatalogItem&item=1822
StorageWorks Full Line Technical Web Based Training 488 External http://vsslfpro.compaq.com/plm/
Internal
http://tslearner.den.hp.com/redirect.asp?page=
DisplayCatalogItem&item=488
Introduction to Storage Area Networks NED1-SANCBTvA External http://vsslfpro.compaq.com/plm/
Internal
http://tslearner.den.hp.com/redirect.asp?page=
DisplayCatalogItem&item=NED1-SANCBTvA
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Supporting the MSA1000 and SCSI JBODs (HP1-238) Exam Preparation Guide
Documentation and other reference material
A comprehensive list of documentation and references is provided in the training material.
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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