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HP StorageWorks Modular Smart Array
500 Generation 2 Storage System
Maintenance and Service Guide
April 2004 (First Edition)
Part Number 354903-001
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© Copyright 2004 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. Microsoft, Windows, and Windows NT are U.S. registered trademar
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3 Contents Illustrated Parts Catalog 5 Mechanical and System Components ..................................................................................................5 Removal and Replacement Procedures 7 Safety Considerations ..........................................................................................................................7 Preventing Electrostatic Discharge...........................................................................................7 Warni
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4 HP MSA 500 G2 Storage System Maintenance and Service Guide Rear Panel Components.....................................................................................................................31 Power Supply/Blower Assembly LEDs .............................................................................................32 Shared Storage Module with Integrated Environmental Monitoring Unit .........................................32 2-Port Shared Storage Module Components..........
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5 Illustrated Parts Catalog In This Section Mechanical and System Components.............................................................................................5 Mechanical and System Components
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6 HP MSA 500 G2 Storage System Maintenance and Service Guide 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 MSA500 G2 storage system 343826-001 7 MSA500 G2 controller 343827-001 8 Power button/LED assembly 229201-001 9 Cache module, DIMM, S
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7 Removal and Replacement Procedures In This Section Safety Considerations.....................................................................................................................7 Power Down the Storage System ...................................................................................................9 Hard Drive Blank .........................................................................................................................10 Hot-Plug SCSI Hard Drive..
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8 HP MSA 500 G2 Storage System Maintenance and Service Guide • Place parts on a grounded surface before removing them from their containers. • Avoid touching pins, leads, or circuitry. • Always be properly grounded when touching a static-sensitive component or assembly. Warnings Before installing a storage system, be sure that you understand the following warnings and cautions. WARNING: To reduce the risk of electric shock or damage to the equipment: • Do not disable the power
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Removal and Replacement Procedures 9 WARNING: To reduce the risk of personal injury or damage to the equipment, observe local occupational health and safety requirements and guidelines for manual material handling. WARNING: To reduce the risk of personal injury or damage to the equipment, be sure that: The leveling jacks are extended to the floor. The full weight of the rack rests on the leveling jacks. The stabilizing feet are attached to the rack if it is a single-rack ins
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10 HP MSA 500 G2 Storage System Maintenance and Service Guide CAUTION: In systems that use external data storage, be sure that the server is the first unit to be powered down and the last to be powered back up. Taking this precaution ensures that the system does not erroneously mark the drives as failed when the server is powered up. IMPORTANT: If installing a hot-plug device, it is not necessary to power down the storage system. 1. Power down any attached servers. Refer to the ser
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Removal and Replacement Procedures 11 To replace the blank, slide the blank into the bay until it locks into place. Hot-Plug SCSI Hard Drive You can replace hard drives without powering down the system. However, before replacing a degraded drive: • Open HP SIM and inspect the Error Counter window for each physical drive in the same array to confirm that no other drives have any errors. (For details, refer to the HP SIM documentation on the Management CD.) • Be sure that the array h
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12 HP MSA 500 G2 Storage System Maintenance and Service Guide − In RAID 1+0 configurations, any drives that are not mirrored to other removed or failed drives can be simultaneously replaced offline without data loss. To remove the component: CAUTION: To prevent improper cooling and thermal damage, do not operate the storage system unless all bays are populated with either a component or a blank. 1. Determine the status of the hard drive from the hot-plug hard drive LEDs ("Hot-Plu
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Removal and Replacement Procedures 13 Bezel Blank To remove the component: CAUTION: To prevent improper cooling and thermal damage, do not operate the storage system unless all bays are populated with either a component or a blank. To replace the bezel blank: 1. Slide the bezel blank into the bay until it locks into place. 2. Close the lever. Modular Smart Array 500 Generation 2 Controller When the controller in a single-controller storage system fails, HP recommends that
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14 HP MSA 500 G2 Storage System Maintenance and Service Guide To remove the component: CAUTION: To prevent improper cooling and thermal damage, do not operate the storage system unless all bays are populated with either a component or a blank. 1. Power down the storage system (on page 9). 2. Remove the controller. To restore the data: 1. Remove the cache modules from the failed controller. 2. Install the cache modules in the new controller. 3. Install the new controller and all
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Removal and Replacement Procedures 15 Battery-Backed Cache Module To remove the component: 1. Determine if the controller configuration supports hot-plug cache replacement: − If the storage system is equipped with a single controller, power down the storage system (on page 9). − If the system has redundant controllers and the replacement cache is a different capacity than the failed cache, power down the storage system (on page 9). − If the system has redundant controllers and the r
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16 HP MSA 500 G2 Storage System Maintenance and Service Guide 2. Close the slot latches. 3. Close the controller. 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. To replace the blower: 1. Align the g
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Removal and Replacement Procedures 17 − The blower begins operating immediately. − The power supply/blower assembly LED is green. Hot-Plug Power Supply Observe the following conditions for AC power supplies: CAUTION: Removing a power supply significantly changes the airflow within the chassis. The storage 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 n
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18 HP MSA 500 G2 Storage System Maintenance and Service Guide 3. Remove the power supply. To replace the power supply: 1. Lift the locking latch. 2. Slide the power supply into the bay until it locks into place. 3. Install the blower on the power supply. 4. Connect the power cord to the power supply. 2-Port or 4-Port Shared Storage Module To remove the component: 1. Power down the storage system (on page 9). 2. Disconnect the SCSI cabling connected to the 2-Port Shared Storage M
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Removal and Replacement Procedures 19 3. Remove the module. To replace the component, reverse the removal procedure. If you are replacing a failed 2-Port Shared Storage Module with a 4-Port Shared Storage Module, refer to the 4-Port Shared Storage Module Installation Instructions that ship with the option.
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20 HP MSA 500 G2 Storage System Maintenance and Service Guide Interconnect Blank To remove the component: CAUTION: To prevent improper cooling and thermal damage, do not operate the storage system unless all bays are populated with either a component or a blank. To replace the component, reverse the removal procedure. Power Button/LED Assembly To remove the component: 1. Power down the storage system (on page 9). 2. Remove the hot-plug SCSI hard drives in bays 10 through 14 (
