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HP StorageWorks Modular Smart Array 500
System
Maintenance and Service Guide
(formerly Smart Array Cluster Storage System)
October 2003 (Fourth Edition)
Part Number 251850-004
HP CONFIDENTIAL Codename: Aurora Part Number: 251850-004 Last Saved On: 9/19/03 10:52 AM
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© 2002, 2003 Hewlett-Packard Development Company, L.P. Microsoft®, Windows®, and Windows NT® are trademarks of Microsoft Corporation in the U.S. and other countries. Hewlett-Packard Company shall not be liable for technical or editorial errors or omissions contained herein. The information in this document is provided “as is” without warranty of any kind and is subject to change without notice. The warranties for HP products are set forth in the express limited warranty statements accompany
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Contents About This Guide Audience Assumptions..................................................................................................................................v Technician Notes...........................................................................................................................................v Where to Go for Additional Help.................................................................................................................vi Telephone N
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Contents Chapter 4 Component Identification Front Panel Components............................................................................................................................4-1 Enclosure LEDs .........................................................................................................................................4-2 Rear Panel Components............................................................................................................................
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About This Guide This maintenance and service guide can be used for reference when servicing the HP StorageWorks Modular Smart Array 500 system. WARNING: To reduce the risk of personal injury from electric shock and hazardous energy levels, only authorized service technicians should attempt to repair this equipment. Improper repairs can create conditions that are hazardous. Audience Assumptions This guide is for service technicians. HP assumes you are qualified in the servicing of
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About This Guide CAUTION: To properly ventilate the system, you must provide at least 7.6 cm (3.0 in) of clearance at the front and back of the system. CAUTION: The equipment is designed to be electrically grounded (earthed). To ensure proper operation, plug the AC power cord into a properly grounded AC outlet only. NOTE: Any indications of component replacement or printed wiring board modifications may void any warranty. Where to Go for Additional Help In addition to this g
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1 Illustrated Parts Catalog Mechanical and System Components 6 7 1 3 8 5 2 4 HP StorageWorks Modular Smart Array 500 System Maintenance and Service Guide 1-1 HP CONFIDENTIAL Codename: Aurora Part Number: 251850-004 Last Saved On: 9/19/03 10:55 AM
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Illustrated Parts Catalog Table 1-1: Mechanical and System Components Item Description Spare Part Number Mechanical Components 1 Chassis, 4U, with backplane 229198-001 2 Bezel blank 229208-001 3 Interconnect blank 229200-001 System Components 4 AC power supply assembly, 499 W 212398-001 5 Blower 123482-001 Boards 6 2-Port Shared Storage Module for HP StorageWorks Modular Smart Array 500 229205-001 system 7 Controller 229202-001 8 Power button/LED assembly 229201-001 9
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2 Removal and Replacement Procedures To service the MSA500 system, you may need the following tools: • Flat-blade screwdriver • From the SmartStart CD: — Advanced Diagnostics Utility (ADU) — ROM Update Utility Safety Considerations Before performing service procedures, review all the safety information. Preventing Electrostatic Discharge To prevent damaging the system, be aware of the precautions you need to follow when setting up the system or handling parts. A discharge of static el
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Removal and Replacement Procedures Rack Warnings and Cautions WARNING: Because the rack allows stacking of computer components on a vertical rather than horizontal plane, be sure that precautions have been taken to provide for rack stability and safety. It is important to follow these precautions providing for rack stability and safety, and to protect both personnel and property. Heed all cautions and warnings throughout the installation instructions provided with the device. WARN
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Removal and Replacement Procedures WARNING: Be sure that the AC power supply branch circuit that provides power to the rack is not overloaded. Not overloading AC power to the rack power supply circuit reduces the risk of personal injury, fire, or damage to the equipment. The total rack load should not exceed 80 percent of the branch circuit rating. Consult the electrical authority having jurisdiction over your facility wiring and installation requirements. WARNING: To reduce the ri
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Removal and Replacement Procedures System Power Down WARNING: To reduce the risk of personal injury, electric shock, or damage to the equipment, remove the power cord to remove power from the system. The front panel Power On/Standby button does not completely shut off system power. Portions of the power supply and some internal circuitry remain active until AC power is removed. IMPORTANT: If installing a hot-plug device, it is not necessary to power down the system. To power down
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Removal and Replacement Procedures Hot-Plug SCSI Hard Drive CAUTION: If you must replace a hot-plug drive, follow the guidelines in this section. Failure to do so can result in data loss and can void the warranty. RAID 0 is not a fault-tolerant configuration. Never remove a drive from a RAID 0 array unless it has failed. Drive failure is indicated by an amber drive failure LED. In a RAID 0 configuration, removal of an operating drive results in data loss. To remove a drive without lo
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Removal and Replacement Procedures To remove the component: 1. Be sure that the online and activity LEDs on the failed drive are both off. CAUTION: To prevent improper cooling and thermal damage, do not operate the system unless all bays are populated with either a component or a blank. 2. Remove the failed drive. 3 2 1 To replace a hot-plug SCSI hard drive: 1. Slide the drive into the bay until it locks into place. 2. Close the lever. CAUTION: Data loss can occur if the drive
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Removal and Replacement Procedures Universal Hot-Plug Tape Drive To remove the component: CAUTION: To prevent improper cooling and thermal damage, do not operate the system unless all bays are populated with either a component or a blank. CAUTION: Installation of the tape drive height converter is permanent. Attempting to remove the converter after installation voids the tape drive warranty. 1 2 To replace the Universal Hot-Plug Tape drive: 1. Install a new tape drive height
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Removal and Replacement Procedures Bezel Blank To remove the component: CAUTION: Always populate bays with either a component or blank. Proper airflow can only be maintained when the bays are populated. Operating the system with unpopulated bays can lead to improper cooling and thermal damage. 1 2 3 To replace the bezel blank: 1. Slide the bezel blank into the bay until it locks into place. 2. Close the lever. 2-8 HP StorageWorks Modular Smart Array 500 System Maintenance and Ser
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Removal and Replacement Procedures HP StorageWorks Modular Smart Array 500 Controller When the MSA500 controller in a single-controller system fails, HP recommends that you migrate the cache module to a new controller. Battery-backed cached data in a failed controller can remain intact for up to 3 days with 256-MB modules or up to 4 days with 128-MB modules. CAUTION: Failure to migrate the cache to a new controller and flush the data can result in loss of the data that is written in th
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Removal and Replacement Procedures Battery-Backed Cache Module CAUTION: To prevent data loss or equipment damage, follow the instructions in this procedure. To remove the component: 1. Determine if the controller configuration supports hot-plug cache replacement: — If the system is equipped with a single controller, power down the system before performing step 2. Refer to “System Power Down” in this chapter. — If the system has redundant controllers and the replacement cache is a di
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Removal and Replacement Procedures Blower To remove the component: WARNING: The blower blades rotate at a high speed. Avoid touching the rotating blades when removing the blower. NOTE: The power supply is designed so that removing a blower does not adversely affect system performance. However, do not remove a blower until the replacement blower is available. 1 2 1 To replace the blower: 1. Align the guidepost on the blower with the connector on the power supply. CAUTION: Do
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Removal and Replacement Procedures Hot-Plug Power Supply Observe the following cautions for AC power supplies: CAUTION: Removing a power supply significantly changes the airflow within the enclosure. The system will shut down to prevent overheating unless the power supply is replaced within 5 minutes. CAUTION: Handle the blower carefully to avoid damaging the housing. • Do not press on the center section of the blower because this action can damage the blades. Press only on the
