HP 600 manual Recognizing hard drive failure, Effects of a hard drive failure

Page 30

Status code

Action

 

 

9 = Standby heartbeat

Replace the I/O module that has an amber LED. If no I/O module has an amber LED,

failure

replace one I/O module then wait 30 seconds. If the GSI LED is still amber, replace the

 

other I/O module. AC power cycle the MDS600. If replacing the I/O modules does

 

not resolve the issue, replace the drawer.

 

 

10 = Remote I/O

Replace the I/O module that has an amber LED. If no I/O module has an amber LED,

module heartbeat

replace one I/O module then wait 30 seconds. If the GSI LED is still amber, replace the

failure

other I/O module. AC power cycle the MDS600. If replacing the I/O modules does

 

not resolve the issue, replace the drawer.

* I/O module Firmware and Power Block Firmware are delivered through the MDS600_FW download process.

Recognizing hard drive failure

In an HP MDS600, a steadily glowing Fault LED indicates that the drive has failed.

Other indications of failed hard drives:

•ACU represents failed drives with a distinctive icon.

•HP SIM can detect failed drives remotely across a network. (For more information about HP SIM, refer to the documentation on the Management CD.)

•ADU lists all failed drives.

•CPQONLIN identifies failed drives in a NetWare environment.

For additional information about diagnosing hard drive problems, see the HP ProLiant Servers Troubleshooting Guide.

CAUTION: Sometimes, a drive that has previously failed may seem to be operational after the system is power-cycled or (for a hot-pluggable drive) after the drive has been removed and reinserted. However, continued use of such marginal drives may eventually result in data loss. Replace the marginal drive as soon as possible.

Effects of a hard drive failure

When a hard drive fails, all logical drives that are in the same array are affected. Each logical drive in an array may be using a different fault-tolerance method, so each logical drive can be affected differently.

•RAID 0 configurations cannot tolerate drive failure. If any physical drive in the array fails, all non-fault-tolerant (RAID 0) logical drives in the same array will also fail.

•RAID 1+0 configurations can tolerate multiple drive failures as long as no failed drives are mirrored to one another (with no spares assigned).

•RAID 5 configurations can tolerate one drive failure (with no spares assigned).

•RAID 6 with ADG configurations can tolerate simultaneous failure of two drives (with no spares assigned).

Compromised fault tolerance

Troubleshooting 30

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Contents HP StorageWorks 600 Modular Disk System User Guide Page Contents Electrostatic discharge Component identification Front panel componentsFront panel LEDs and button Description StatusRear panel components GSI LEDRear panel LEDs and buttons Blue flashing = System is in hard drive Device bay ID numbers SAS and Sata hard drive LEDs SAS and Sata hard drive LED combinations Firmware update Power upOperations Power down Setup Temperature requirementsSpace and airflow requirements Power requirements Electrical grounding requirementsThird-party racks Installing the enclosureRack warnings Site planning considerationsSetup Hard drive overview SAS and Sata hard drive guidelinesInstalling the hard drives Remove the hard drive blank Prepare the hard drive Installing the I/O module Cabling the MDS600 SAS cabling guidelinesPower cords Array Configuration Utility Configuration and utilitiesConfiguration tools Option ROM Configuration for ArraysDiagnostic tools Management toolsArray Diagnostic Utility Remote support and analysis toolsHP Insight Remote Support software Keeping the system current Change control and proactive notificationCare Pack Troubleshooting When the MDS600 does not power upLED behavior Segment display status codes and actions = System FanCompromised fault tolerance Recognizing hard drive failureEffects of a hard drive failure Recovering from compromised fault tolerance Factors to consider before replacing hard drivesAutomatic data recovery rebuild Time required for a rebuildFailure of another drive during rebuild Federal Communications Commission notice Regulatory compliance noticesRegulatory compliance identification numbers FCC rating labelClass B equipment Canadian notice Avis Canadien ModificationsCables European Union regulatory noticeRegulatory compliance notices Japanese notice Bsmi notice Korean notice Ukraine notice Power cord statement for Japan Chinese noticeVietnam compliance marking notice Electrostatic discharge Preventing electrostatic dischargeGrounding methods to prevent electrostatic discharge Specifications Environmental specificationsStorage array specifications HP contact information Technical supportBefore you contact HP Customer Self RepairRéparation par le client CSR Riparazione da parte del cliente Reparaciones del propio cliente Reparo feito pelo cliente Technical support Technical support Technical support Acronyms and abbreviations Index LED, UID
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600 specifications

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