HP StorageWorks Modular Smart Array 500 Generation 2 Storage System Maintenance and Service Guide April 2004 (First Edition) Part Number 354903-001
© 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.
Contents Illustrated Parts Catalog 5 Mechanical and System Components .................................................................................................. 5 Removal and Replacement Procedures 7 Safety Considerations .......................................................................................................................... 7 Preventing Electrostatic Discharge........................................................................................... 7 Warnings.............
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.......................
Illustrated Parts Catalog In This Section Mechanical and System Components.............................................................................................
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, SDRAM, 128
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 ....................
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 cord grounding plug.
Removal and Replacement Procedures 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 installation.
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 server documentation. 2.
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.
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.
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.
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.
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).
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.
Removal and Replacement Procedures − 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.
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 Module.
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.
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 ("SCSI IDs" on page 40).
Removal and Replacement Procedures 21 3. Remove the power button/LED assembly. To replace the component, slide the power button/LED assembly into the bay until it locks into place. Storage System Chassis and Backplane If the backplane board fails or the chassis sustains significant damage, you must order a replacement chassis. To replace the chassis and backplane: 1. Power down the storage system (on page 9). 2. Remove all hard drive blanks ("Hard Drive Blank" on page 10). 3.
HP MSA 500 G2 Storage System Maintenance and Service Guide 8. Remove the interconnect blanks ("Interconnect Blank" on page 20). 9. Remove the power button/LED assembly ("Power Button/LED Assembly" on page 20). 10. Handwrite the serial number of the original chassis on the label of the replacement chassis. IMPORTANT: Always keep the serial number of the original chassis for warranty validation purposes. After chassis replacement, HP SIM only recognizes the new serial number. 11.
Diagnostic Tools In This Section Server Utilities..............................................................................................................................23 ROM Functions and Utilities........................................................................................................24 Array Configuration Utility ..........................................................................................................26 Array Diagnostic Utility ..................................
HP MSA 500 G2 Storage System Maintenance and Service Guide Management Agents Management Agents provide the information to enable fault, performance, and configuration management. The agents allow easy manageability of the server through HP Systems Insight Manager software, and third-party SNMP management platforms. Management Agents are installed with every SmartStart assisted installation or can be installed through the HP PSP.
Diagnostic Tools 25 Smart Components for ROM Flash To update the firmware on the server, controller, or hard drives, use Smart Components. These components are available on the Firmware Maintenance CD. A more recent version of a particular component might be available on the support page of the HP website (http://www.hp.com/support). Components for controller and hard drive firmware updates are also available from the software and drivers page for storage products (http://www.hp.
HP MSA 500 G2 Storage System Maintenance and Service Guide If 60 seconds elapse with no user input, one of the following actions occurs: • In a non-hot-plug environment, the controller with the most recent firmware disables the controller with the older firmware and continues the power-up sequence. This method prevents automatic loss of a previous version of firmware.
Diagnostic Tools 27 • Runs as a local application or remote service • Supports online array capacity expansion, logical drive extension, assignment of online spares, and RAID or stripe size migration • Suggests the optimum configuration for an unconfigured system • Provides different operating modes, enabling faster configuration or greater control over the configuration options • Remains available any time that the server is on • Displays on-screen tips for individual steps of a configuration
HP MSA 500 G2 Storage System Maintenance and Service Guide NetWare Online Array Configuration Utility (CPQONLIN) The NetWare Online Array Configuration Utility, also called CPQONLIN, is an NLM for configuring drive arrays without shutting down the storage system. CPQONLIN also provides information about the status of drives attached to the MSA500 G2 controller. It indicates drive failure, expansion, or waiting for expansion or rebuild (queued). Before loading CPQONLIN.
Component Identification In This Section Front Panel Components ..............................................................................................................29 Enclosure LEDs............................................................................................................................30 Rear Panel Components................................................................................................................31 Power Supply/Blower Assembly LEDs.....................
HP MSA 500 G2 Storage System Maintenance and Service Guide Item Description 4 Controller display 5 Power On/Standby button 6 Enclosure LEDs 7 Hot-plug SCSI hard drive bays with blanks Enclosure LEDs Item Description Status 1 EMU heartbeat Green flashing = Shared storage module is operating normally. Green/Off = Shared storage module is not operating normally. 2 System power Green = System power is On. Off = System is in standby mode or power is removed from the system.
Component Identification Rear Panel Components Item Description 1 Interconnect blanks (required for proper airflow) 2 Power supply/blower assemblies 3 AC power connectors 4 2-Port Shared Storage Module 31
HP MSA 500 G2 Storage System Maintenance and Service Guide Power Supply/Blower Assembly LEDs The power supply/blower assembly LEDs have two functions: • Green—The power supply is receiving power, and the blower is operating normally. • Off—No power is present; the power supply or the blower has failed. Shared Storage Module with Integrated Environmental Monitoring Unit The storage system supports multipath two-node clustering and up to four-node shared storage with Ultra320 SCSI I/O hardware.
Component Identification − Blowers − Drive presence 33 • Detects and reports component changes in the enclosure (identifies hot-plug addition and removal) • Controls drive and enclosure LEDs 2-Port Shared Storage Module Components Item Description Bus 1 SCSI port connector A 2 SCSI port connector B
HP MSA 500 G2 Storage System Maintenance and Service Guide 2-Port Shared Storage Module LEDs Item LED Description Status 1 Power Flashing green = Power on Off = Power off 2 SCSI host port A Flashing green = On/Activity Off = Off 3 SCSI host port B Flashing green = On/Activity Off = Off
Component Identification 4-Port Shared Storage Module Components Item Description Bus 1 SCSI port connector A1 A 2 SCSI port connector A2 A 3 SCSI port connector B1 B 4 SCSI port connector B2 B 35
HP MSA 500 G2 Storage System Maintenance and Service Guide 4-Port Shared Storage Module LEDs Item LED Description Status 1 Power Flashing green = Power on Off = Power off 2 3 SCSI host port A connectors 1 and 2 Flashing green = On/Activity SCSI host port B connectors 1 and 2 Flashing green = On/Activity Off = Off Off = Off Controller Components Controller Display (on page 37) Controller LEDs (on page 38) Battery-Backed Write Cache Enabler Overview (on page 39)
Component Identification Controller Display Each controller LCD provides informational and error messages.
HP MSA 500 G2 Storage System Maintenance and Service Guide Controller LEDs Item LED Description Status 0-2 Busy status Green = Controller is idle. Off = Controller is operating at full capacity. 3-5 No function — 6 Host port A notification Green = Notify On Event command is active. Off = No Notify On Event command is active. 7 Host port B notification Green = Notify On Event command is active. Off = No Notify On Event command is active.
Component Identification Item LED Description Status 11 Logical I/O activity Green = System is currently processing logical requests from the host adapter. 39 Off = System is not processing any logical requests. 12 SCSI bus 0 activity Green = Outstanding requests exist on the SCSI bus. Off = No outstanding requests exist. 13 SCSI bus 1 activity Green = Outstanding requests exist on the SCSI bus. Off = No outstanding requests exist. 14 Cache activity Green = Cache activity is present.
HP MSA 500 G2 Storage System Maintenance and Service Guide NOTE: The data protection and the time limit also apply if a power outage occurs. When power is restored to the system, an initialization process writes the preserved data to the hard drives. To enable faster data access from disk storage, the battery module performs two types of caching: • Posted-write caching—the controller writes user data in the cache memory on the module rather than directly to the drives.
Component Identification Bay SCSI ID Bus Port 5 4 0 6 5 0 7 8 0 8 0 1 9 1 1 10 2 1 11 3 1 12 4 1 13 5 1 14 8 1 Hot-Plug SCSI Hard Drive LEDs Item LED Description Status 1 Activity status On = Drive activity Flashing = High activity on the drive or drive is being configured as part of an array.
HP MSA 500 G2 Storage System Maintenance and Service Guide Item LED Description Status 2 Online status On = Drive is part of an array and is currently working. Flashing = Drive is actively online. Off = Drive is offline.
Component Identification Activity LED (1) Online LED (2) Fault LED Interpretation (3) Off Off Off 43 Either (1) the drive is not configured as part of an array; (2) the drive is configured as part of an array, but it is a replacement drive that is not being accessed or being rebuilt yet; or (3) the drive is configured as an online spare. If the drive is connected to an array controller, you may replace the drive online.
Specifications In This Section Environmental Specifications.......................................................................................................45 Dimensions and Weight................................................................................................................45 Power Specifications ....................................................................................................................
HP MSA 500 G2 Storage System Maintenance and Service Guide Parameter Value Weight (no drives installed) 22.7 kg (50 lb) Power Specifications Parameter Value Rated input voltage 100 VAC to 240 VAC Rated input frequency 50 Hz to 60 Hz Rated input current 7.35 A Max Rated input power 641 W * BTUs per hour 2187 * Rated steady-state power 377 W Maximum peak power 681 W Acoustic noise (LWAdc bels and LpAm dBA) Idle <6.9 and 53 Fixed disk (random writes) <7.
Acronyms and Abbreviations ACU Array Configuration Utility ADG Advanced Data Guarding ADU Array Diagnostics Utility ASIC application specific integrated circuit ASR Automatic Server Recovery CPQONLIN NetWare Online Array Configuration Utility DDR double data rate DMA direct memory access
HP MSA 500 G2 Storage System Maintenance and Service Guide ECC error checking and correcting EMU environmental monitoring unit HBA host bus adapter I2C inter-integrated circuit IEC International Electrotechnical Commission KVM keyboard, video, and mouse LCD liquid crystal display LED light-emitting diode LVD low-voltage differential NEMA National Electrical Manufacturers Association
Acronyms and Abbreviations NFPA National Fire Protection Association NIC network interface controller NLM NetWare Loadable Module NVRAM non-volatile memory ORCA Option ROM Configuration for Arrays PDU power distribution unit POST Power-On Self-Test RIS reserve information sector ROM read-only memory SA Smart Array 49
HP MSA 500 G2 Storage System Maintenance and Service Guide SE single-ended SIM Systems Insight Manager SMART self-monitoring analysis and reporting technology SSP selective storage presentation TMRA recommended ambient operating temperature UPS uninterruptible power system VHDCI very high density cable interconnect
Index drive failure LED 38 drive LEDs 38, 41 E 2 2-Port Shared Storage Module 18, 33, 34 4 electrostatic discharge 7 EMU heartbeat LED 30 enclosure LEDs 30 environmental requirements 45 environmental specifications 45 4-Port Shared Storage Module 18, 35, 36 F A fans 31 fault LED 38 firmware upgrades 24 front panel components 29 front panel LEDs 30 active redundancy LED 38 active/standby LED 38 ACU (Array Configuration Utility) 26 ADU (Array Diagnostics Utility) 27 Array Configuration Utility (A
HP MSA 500 G2 Storage System Maintenance and Service Guide M T Management Agents 24 management tools 23 temperature requirements 45 tools 23 O U Online ROM Flash Component Utility 25 updating 24 utilities 23, 24, 25, 26, 27 P part numbers 5 physical specifications 45 power button/LED board 20 power connectors, external 31 Power On/Standby button 9, 29 power supplies 17 power supply LEDs 32 power supply output 46 powering down 9 R RAID configuration 26 rear panel LEDs 32 removal and replacement
