HP IO manual

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enabling a total of two cards in a half-height server blade, and three cards in a full-height server blade and up to 6 in a double-high, double-wide server (BL680c).

The Gen8 adapter is provided in a c-Class Type B Mezzanine card form factor. It can only be installed in Type B mezzanine slots within the Gen 8 or later servers, enabling one IO Accelerator in a half-height Gen8 server.

The Type I mezz card and the Type B mezz card are distinguished by the mezzanine connector. The type B card is slightly larger than a Type I mezz card.

The amount of free RAM required by the driver depends on the size of the blocks used when writing to the drive. The smaller the blocks, the more RAM is required. The table below lists the guidelines for each 80GB of storage. For the latest information, see the QuickSpecs sheet to the HP IO Accelerator for HP BladeSystem c-Classat HP Customer Support (http://www.hp.com/support).

The Remote Power Cut Module for the c-Class blade mezzanine card provides a higher level of protection in the event of a catastrophic power loss (for example, a user accidentally pulls the wrong server blade out of the slot). The Remote Power Cut Module ensures in-flight writes are completed to NAND flash in these catastrophic scenarios. Without the Remote Power Cut Module, write performance is slower. Writes are not acknowledged until the data is written to the NAND module, thereby slowing performance. When the Remote Power Cut Module is installed, writes are acknowledged by the IO Accelerator controller to the driver. The IO Accelerator controller then completes the write to the NAND module.

The IO Accelerators (QK761A, QK762A, and QK763A) for Gen 8 BladeSystem c-Class have the power cut functionality embedded on the card. They offer the protection without requiring the remote power cut module.

NOTE: The Remote Power Cut Module is used only in the AJ878B and BK836A models. Without the Remote Power Cut Module, write performance is slower.

HP PCIe IO Accelerator minimum requirements

An open PCI-Express slot—The accelerator requires a minimum of one half-length, half-height slot with a x4 physical connector. All four lanes must be connected for full performance. HP PCIe IO Accelerator Duo requires a minimum of a full-height, half-length slot with an x8 physical connection. If your system is using PCI 1.1, all x8 signaling lanes must be connected for full performance. If your system is using PCI 2.0, for full performance you only have to connect x4 signaling lanes.

NOTE: For PCIe IO Accelerators, using PCIe slots greater than x4 does not improve performance.

NOTE: The power cut feature is built into PCIe IO Accelerators; therefore, no Remote Power Cut Module is necessary.

300 LFM of airflow at no greater than 50°C. To protect against thermal damage, the IO Accelerator also monitors the junction temperature of its controller. The temperature represents the internal temperature of the controller, and it is reported in fio-statusreport. The IO Accelerator begins throttling write performance when the junction temperature reaches 78°C. If the junction temperature continues to rise, the IO Accelerator shuts down when the temperature reaches 85°C.

NOTE: If you experience write performance throttling due to high temperatures, see your computer documentation for details on increasing airflow, including fan speeds.

Sufficient RAM to operate—The amount of RAM that the driver requires to manage the NAND flash varies according to the block size you select when formatting the device (filesystem format, not low-level format). For a virtual machine using an IO Accelerator directly (using PCI pass-through), consult the user guide for the installed operating system. The following table lists the amount of RAM required per

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Contents HP IO Accelerator Version 3.2.3 Windows User Guide Page Contents Maintenance Resources Contents summary About this guideOverview IntroductionProduct naming Performance attributes IO Accelerator capacity 320GB 640GB Models AJ878B BK836ASupported firmware revisions Required operating environmentSupported hardware Page Introduction Uninstalling a previously-installed driver Installation overviewWindows Server environments Installing software on a Windows operating system Using the Setup Wizard Windows Server environments Windows Server environments Windows Server environments Windows Server environments Upgrading device firmware from VSL 1.x.x or 2.x.x to Upgrading procedure Fio-bugreportManual installation on Windows Server Fio-update-iodrive iodriveversion.fffManually installing on Windows Server Performing the upgrade Upgrading the device firmware using WindowsManually installing on Windows Server 2008 Viewing the firmware versionUpgrading driver software using Windows Fio-detach /dev/fct0Windows Server environments Defragmentation Silent install optionOutdated firmware check Enabling PCIe power IO Accelerator namingWindows Server environments Fio-config -p Fiopreallocatememory 1072,4997,6710,10345 Creating a RAID configurationSetting up Snmp for Windows operating systems Snmp details for Windows operating systemsUsing test mode registry values Via garbage collectionSnmp MIB fields supporting Windows Server Snmp test registry entry DescriptionWindows Server environments Windows Installer logging options Using installation logsMsiexec /i C\MyPackage\Example.msi /L*V C\log\example.log Creating an uninstall log Creating an installation logCreating a patch install log Automated logging with the Windows Installer Logging Policy Troubleshooting event log messagesError ioDrivex Common maintenance tasks MaintenanceMaintenance tools Uninstalling the IO Accelerator driver packageUnmanaged shutdown issues Enabling PCIe power overrideEnabling Autoattach Enabling the override parameter Fio-config /dev/fctx -p PCIeGLOBALSLOTPOWERLIMIT Fio-config /dev/fct2 -p PCIeGLOBALSLOTPOWERLIMITUtilities reference UtilitiesFio-attach Fio-attach device options Fio-beaconFio-bugreport Fio-beacon device optionsFio-config device options Fio-configCompressing Fio-config options FioexternalpoweroverrideFio-detach Fio-detach device optionsFio-format Fio-format device options deviceFio-pci-check options Options Fio-pci-checkFio-status Fio-status device optionsFfield Geometry and capacity information not available. appears Fio-sure-erase Fio-sure-erase options deviceFio-trim-config Fio-trim-config options Options Fio-update-iodriveFio-update-iodrive iodriveversion.fff options Format domainbusslot.func Health metrics Monitoring IO Accelerator healthNand flash and component failure Health monitoring techniquesFlashback substitution events Software RAID and health monitoringMonitoring IO Accelerator health Introduction to Trim Using TrimTrim support Trim platformsEnabling Trim Starting and stopping TrimControlling Trim aggressiveness Trim configurations Introduction to Windows page files Using Windows page files with the IO AcceleratorConfiguring IO Accelerator paging support RAM consumptionFio-config -g Fiopreallocatememory Fio-config -p Fiopreallocatememory 1234,17834Fio-config -p Fiopreallocatememory Non-paged memory poolSetting up page files Windows page file managementSystem drive paging file configuration Guaranteeing minimum committable memoryVerifying page file operation Virtual Memory performanceDir c /ah Disabling Dvfs Performance and tuningIntroduction to performance and tuning Limiting Apci C-statesSetting Numa affinity Setting the interrupt handler affinityIntroduction to Numa architecture Numa configurationFio-config -p Fioaffinity 4,n1,0xf5,n07,g19,g2,0xff0 Fioaffinity parameterAdvanced configuration example Checking the log for errors Fio-config -p Fioaffinity 5,g0,0xf6,0xfResources Subscription serviceFor more information HP contact information Support and other resourcesBefore you contact HP Customer Self RepairRéparation par le client CSR Riparazione da parte del cliente Reparaciones del propio cliente Reparo feito pelo cliente Support and other resources Support and other resources Support and other resources Warranty information Safety and regulatory complianceRegulatory information Acronyms and abbreviations NumaSMI-S Documentation feedback Index Using the IO Accelerator as a swap