HP D3604-90004 manual Power Cycling, Continuous Operation

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1Introduction

2.Release the reset switch when the desired number displays. The unit identification number displayed is stored in the EEPROM. The unit identification number does not change even if the storage system is power- cycled (unless this procedure is repeated).

NOTE The power supply does not reset when the unit identification number is changed.

Power Cycling

On an active network, switching the storage system power on or off while the host system is operating may affect server operation. Always make sure it is safe to cycle the power before doing so. Alert network users that the mass storage will be unavailable while the power is off.

For example, if you are using the HP DAC Write Cache, power cycling could result in data loss. When using the Write Cache, use the JetSet utility (provided with HP NetServers) to flush the cache before you cycle power. Wait until the disk drives are idle and the Write Cache (if used) has been flushed before switching off power. This avoids corrupting any data transfer that may be in progress between the host system and a disk.

The status lights on the front of each disk indicate activity. The lights flash when the host system is transferring data. If no lights are flashing, the bus is idle and it is safe to switch off the power.

Continuous Operation

The storage system power should remain on whenever the host system is operating. The disk drives are not harmed by continuous operation; avoid cycling power unnecessarily.

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Contents HP NetServer Storage System/6 User Guide Audience Assumptions Contents Contents Regulatory Information Page Introduction Basic Installation IntroductionContents of the NetServer Storage System/6 Package Unpacking the NetServer Storage System/6Identifying Parts of the NetServer Storage System/6 Front View of the Storage SystemNglish Scsi General Operating Instructions Reset SwitchPower Supply Reset Self-TestPower Cycling Continuous OperationTemperature Control PlacementSpin Up Using an Uninterruptible Power SupplyHot-Swap Disk Module Care and Relocation Cabling Storage Devices and Setting Scsi Addresses Opening the Door Removing the Bezel and Opening the Door Setting Scsi Addresses Storage System Switch LocationSwitch Functions SettingsUpper Cage Cabling ConfigurationsExternal Cabling Lower CageSystem or Meter Cable Accessory Scsi Port Number Meter Cable Number Part Cabling Diagram LabelStorage System Layout Description NumberC20 Default Cabling Configuration Non-DuplexC11 C14Duplex Configuration Duplex ConfigurationAlternate Non-Duplex Configuration C11 C14Alternate Duplex Configuration Alternate Duplex ConfigurationPage Unpacking a Hot-Swap Disk Module Installing Hardware AccessoriesInstalling Hot-Swap Storage Devices Installing a New Hot-Swap Disk Module Installing Hardware AccessoriesInstalling the Hot-Swap Disk Module Removing a Hot-Swap Disk ModuleRemoving the Hot-Swap Disk Module Installing a Scsi Device in a Scsi Device Shelf Installing Hardware Accessories Troubleshooting Troubleshooting ProceduresIf The System Will Not Power On TroubleshootingIf the LED Readout Shows a Power Supply Fault PF If the LED Readout Shows a Fan Fault FFIf the LED Readout Shows a Line Fault LF If the Scsi Devices Fail to Spin UpIf the Host Cannot Communicate With the Storage System If the Hot-Swap Disk Power LEDs are Flashing Error Messages Troubleshooting ToolsNglish Page System Design, Integration and Support Service and SupportService Information and Support When You Need It Service and SupportHP NetServer Information Assistant HP Support Assistant CD-ROM CompuServe Discussion Forum and LibraryAutomated Fax World Wide Web and Internet FTPBulletin Board System HP NetServer Support News Telephone SupportObtaining HP Repair and Telephone Support Ordering HP Cables, Drive Trays and Manuals Ordering System DocumentationOrdering HP Cables, Drive Trays and Technical Publications North America and AsiaContacting HP Regional Headquarters Joining CompuServeCompuServe CompuServe Europe Page Three Year On-Site Limited Hardware Warranty Warranty and Software LicenseNetServer Storage System/6 On-Site Limited Warranty Limitation of WarrantyLimitation of Liability and Remedies Warranty and Software LicenseObtaining Warranty Service Nglish Customer Responsibilities Ninety-Day Limited Software Warranty Software Product Limited WarrantyObtaining Return Warranty Service Removable Media if suppliedWarranty and Software License Notice of Warranty Claims Power Supply Specifications SpecificationsWeight and Dimensions EnvironmentPage Regulatory Information Class B Product StatementCountry Notices Regulatory InformationDeclaration of Conformity Regulatory Information Mexico Hardware Warranty Statement Póliza de GarantíaNotas Bios IndexIndex Nglish