HP (Hewlett-Packard) HP IO manual

HP IO A cceler ator V er si o n 3 .2 . 3 W indo w s Us er Gui de Abstract This document describes software r equirements for all relevant HP IO Accelerat ors using Microsoft Windows operating sy stems. This document is intended for system admini strators who plan to install and use HP IO Accelerators with a Microsoft Windows operating system. It is[...]

© Copyright 2011, 2013 He wlett- Packard Development Company, L.P. The information contained herei n is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanyin g such products and services. Nothing herein should b e construed as constituting an additional warra[...]

Contents 3 Con tents About this guide ........................................................................................................................... 6 Contents sum mary ..................................................................................................................................... 6 Introduction ...................[...]

Contents 4 Maintenance .............................................................................................................................. 37 Maintenanc e tools ................................................................................................................................... 37 Common main tenance tasks .................[...]

Contents 5 Introduction to perfo rmance and tuning ...................................................................................................... 65 Disabling DVFS ....................................................................................................................................... 65 Limiting A PCI C -states ..............[...]

About this guide 6 A bo ut this guide Contents summary • Instructions on d ownloading and insta lling the approved d river and utilities • Instructions on maintaining the IO Accelerator • Description of t he following IO Accelerat or models: o HP IO Accelerator for BladeSystem c - Class o HP PCIe IO Accelera tor o HP PCIe IO Accelerator Duo C[...]

Introduction 7 I ntr od ucti on O verview Designed around io Memory, a revolutionary st orage architecture, HP IO Accelerator is an advan ced NAND flash storage device . With performance comparable to DR AM and storage capacity on par w ith hard disks, the IO Accel erator increa ses perfor mance so that ev er y server can contain internal storage t[...]

Introduction 8 • QK762A: HP 785GB IO ML C Accelerator for BladeS ystem c- Class • QK763A: HP 1.2 TB IO MLC A ccelerator for BladeS ystem c - Class IMPORTANT: Generation 2 IO accelerators for BladeSystem c - Class are only compatible with Gen8 and later s erver blades. • 673642 - B21: H P 365GB Multi Level Cell G 2 PCIe ioDrive2 for ProLiant S[...]

Introductio n 9 NOTE: MSI was disabled to obtain the se statistics. R equired operating en vironment The IO Accelerator is supp orted for use in the following operating e nvironments: • Windows Serv er 2003 (x86_64 - bit only) S P2 (not supported on Gen 8 servers) • Windows Serv er 2008 (x86_64 - bit only) R1 with SP2 or high er • Windows Ser[...]

Introduction 10 enabling a total of two car ds in a half - height server blade, and thr ee cards in a full - height server blade and up to 6 in a double - high, double - w ide server (BL680c). The Gen8 adapter is provided in a c - Class Type B Mezzan ine card form factor. It can only be insta lled in Type B mezzanine slot s within the Gen 8 or late[...]

Introduction 11 100GB of storage spac e, using various bloc k sizes. The amount of R AM used in driver version 3.0 is significantly less than the amount used in version 1.2.x. Average block size (bytes) R AM usage for each 80 GB IO Accelerat or (Megabytes ) RAM usage for each 100 GB IO Accelerator (Megabytes ) Minimum system RAM requirement for 320[...]

Windows Server environments 12 W indo w s Ser v er e n v ir onmen ts Installati on overview CAUTION: The firmware for all I O Accelerator devices in a system running HP IO Accel erator VSL 3.1.x or later must be upgra ded to the latest version of th e firmware. CAUTION: If you have IO Accelerator d evices configu red for HP IO Accelerator VSL 2.x o[...]

Windows Server environments 13 recognizes those driv ers for the IO Accel erator. This situation ca uses issues with th e installation of Version 3.x. After the soft ware is uninst alled and the sy stem is rebooted , Windows op erating system s display a New Hardware Found message and normally do no t find a driver for the n ew device. If a driver [...]

Windows Server environments 14 U sing the Setup Wizar d 1. Download the IO Accelerator installat ion program. The Welc ome screen appea rs. 2. Click Next. The Installation Recommendations screen appea rs.[...]

Windows Server environments 15 3. If you have a previo us version of the IO Accel erator software in stalled, follow the d irections on the screen to u ninstall it. Otherwise, click Next. The Se lect Installation Folder screen appears. 4. If you want to use the default in stallation location (C: Program Fil es HP IO Accelerator), click Next. If[...]

Windows Server environments 16 CAUTION: Changing the default features might aff ect the performance or functionality of the IO Accelerator softwar e. The following feat ures are available: o Device Driver (requi red for the drive to be rec ognized in Windows® operating system) o HP IO Accelerator Ma nagement Tool (Jav a® Runtime Softwar e) o SNMP[...]

Windows Server environments 17 The Configure Shortcuts screen appears. 6. If you want to accep t the de fault program shortcuts, c lick Next. Otherwise, clear a ny options you do not want, and then click Next . The Ready to Install sc reen appears. 7. Click Install to begin installation. An installation status screen appears . When installation is [...]

Windows Server environments 18 8. Click Finish to exit the Wizard and launch the IO Accelerator software. The installation program performs the foll owing: • Creates a fold er for the IO Accelerator software comp onents (the default pa th is C: Program Files HP IO Accelerator).[...]

Windows Server envir onm ents 19 • Installs and loads the IO Accelera tor Windows® driver . (When complete, you will need to reboot the system. ) • Installs supp ort for SNMP (i f installed, a nd if Microsoft ® SNMP is installed and th e SNMP service i s running). When the installat ion program creates the IO Accelerator folder on th e drive,[...]

Windows Server environments 20 The – o overformat option is not suppo rted in the 3.x.x VSL softwa re. All upgraded HP IO Accelerator devices are formatted to the maximum advertised capac ity, regardless of whether the de vice was overformatted prior to the upgrade. U pgrading procedure Be sure to follow the upgra de path and make sure that all p[...]

Windows Server environments 21 d. To select a differ ent folder for the inst allation, browse t o the folder and click OK. Th e default fold er is C: Program Files HP IO Accelerator . The uninstaller file is placed in the root of the HP IO Accelerator (default install f older). e. Follow the onscreen prom pts to complete th e install. f. Choose[...]

Windows Server environments 22 M anually installing on Windows Server 2003 The W indows® Driver W izard automatica lly detects the new IO Accelerator and begins t o locate its driver after you rest art the system . First, Wind ows® promp ts you to locate t he software d river. 1. If you have not done so, downl oad and run the IO Accelerator Windo[...]

Windows Server environments 23 M anually installing on Windows Server 2008 and 2012 The Windows Driver W izard automatically detects th e new IO Accelerator and beg ins to locate its driver after you restart the system. First, the OS prompts yo u to locate the software driver. 1. Click Browse next to the path field. A file dia log box appears. 2. S[...]

Windows Server environments 24 CAUTION: Do not turn of f the power during a firmware upgrade , because this might cause device failure. If a UP S is not in place, consider addin g one to the sy stem before p erforming a firmware upgrade. NOTE: You might be required t o upgrade the IO Acceler ator driver if you upgrade the de vice firmware. For more[...]

Windows Server environments 25 CAUTION: Be sure to read the Release Not es document th at comes with each new releas e as well as these installa tion instruct ions to ensur e no loss of dat a when performin g upgrades. 2. Follow the steps in " Uninstalling the IO Accele rator driver" unin stall the existing driv er. 3. Download the latest[...]

Windows Server environments 26 Your Windows® operating system now detects the devices in the RA ID configuration with the upgraded software. D efragmentation The IO Accelerator doe s not need to be defragmented . However, some Win dows® versions a utomatically run defragmentation as a scheduled task. If necessary, turn off automatic defragmentati[...]

Windows Server environments 27 You can use the (optional ) HP IO Accelerator Man agement Tool GUI progra m to check for outda ted firmware. To check for ou tdated or old firmware: 1. Launch the IO Accelerat or Management Tool application an d look for any devices that have a warning symbol. 2. To ensure that the a lert is from outdated firm ware, c[...]

Windows Server env ironments 28 2. Expand HP Storage Works IO Accelerators, and then double - click HP S torageWorks IO Accelerator. The Properties dialog box appears . The Location field shows th e bus number for your devic e ( fct8 in the following example). NOTE: HP assigns bus numbers, which begin at 0. These numbers might or mi ght not reflect[...]

Windows Server environments 29 3. After the device i s initialized, you can ad d partitions or volume s. For more informat ion, see the Disk Management documentation. You can create dynamic volumes, which can be used in multi - disk RAID configurati ons (spanned, stripe d, or mirrored). For more information, see th e Disk Management doc umentation.[...]

Windows Server environments 30 NOTE: To use SN MP test mode, yo u must have instal led the SNMP option with your PCIe IO Accelerato r. U sing test mode registr y values The followi ng table show s the registry en tries includ ed for SNMP t est values. Entries mar ked by an asteri sk (*) generate SNMP traps when set to the indicated valu es, and the[...]

Windows Server environments 31 SNMP test re gistry entr y Description • formatting(8) • updating(9) • attach(10) • detach(11) • format(12) • update(13 ) cpqioDrvInfoW earoutIndicator* Boolean: True = device has surpassed the wearout threshold. cpqioDrvTestMod e Set test mode on or off cpqioDrvTestModeIndex Number i ndicating the selecte[...]

Windows Server environments 32 • cpqIoDimmInf oPCISlot • cpqIoDimmInfoWearoutIn dicator • cpqIoDimmInfoFlashback Indicator • cpqIoDimmInf oWritableIndica tor • cpqIoDimmInfoInternalT emp • cpqIoDimmInfoHealthPercentag e • cpqIoDimmInf oMinimalModeReason • cpqIoDimmInfoReducedWriteRe ason • cpqIoDimmInf oMilliVolts • cpqIoDimmInf[...]

Windows Server environments 33 • cpqIoDimmExtnBytesR eadL • cpqIoDimmExtnBytesWrittenU • cpqIoDimmExtnBytesWrittenL • cpqIoDimmExtnFormatte dBlockSize • cpqIoDimmExtnCurrentRAMUsag eU • cpqIoDimmExtnCurrentRAMUsag eL • cpqIoDimmExtnPeakRAM UsageU • cpqIoDimmExtnPeakRAM UsageL • cpqIoDimmWearoutTr ap • cpqIoDimmNonWritableT rap ?[...]

Windows Server environments 34 Option Description *x Extra debugging infor mation *+ Append to exis ting log file *! Flush each line to the log ** Log all informat ion except for v a nd x options C reating an installation log 1. Determin e the path of t he MSI file (for exa mple, C: MyPackage Example.exe ). 2. Decide the path of the log (for ex[...]

Windows Server environments 35 1. Open the Instal ler project of your installa tion package. 2. Go to the Media page and sel ect the Bootstrapper tab. 3. Select the Create EXE setup file option. 4. Set the MSI Command Lin e field to /L*V "C: package.log" . When the user launches the installatio n through the bootstrapper, a log of the i[...]

Windows Server environments 36 The following ta ble lists common Event Lo g error messages, along w ith suggested s olutions. Message Sugg ested solution Error: ioDrive(x) firmware is too old. The firmware must be updated. To update the firmware, see " Upgrading the device firmware using Windows (on page 23 )." Error: The ioDrive(x) initi[...]

Maintenance 37 Maint enance M aintenance tool s The IO Accelerator includes both software utilities t o maintain the device and external LED indicators to display the status. You can also install S NMP as a monitoring optio n. The following ar e the most common tasks for ma intaining your IO Accel erator. You can also us e the IO Accelerator Ma nag[...]

Maintenance 38 4. When you finish troubleshooting the driver iss ue, use the IO Accelerator Management Tool to attac h the IO Accelerators and mak e them available to Windo ws® operating system. E nabling Autoattach 1. Open the IO Accelerator Utilities folder. The default loc ation is C: Program Files HP IO Accelerator Utils . 2. Double - [...]

Maintenance 39 CAUTION: If the PCIe slot is not capabl e of providing the needed a mount of power, then enabling full power dra w from the PCIe slot might result in malfuncti on or even damage to server hardware. The user is resp onsible for an y damage to equip ment due to i mproper use of the override parameter . HP expressly disclaims any liabi [...]

Maintenance 40 fct2: SN:1149D0969 - 1121 fct3: SN:1149D0969 - 1111 In this example, 1149D 0969 is the adapter se rial number. If you have multip le IO Accelerato r devices inst alled on yo ur system, use the fio - beacon command to verify wh ere each device is physically l ocated. o Inspect the a dapter serial n umber label s on the IO Accelera tor[...]

Utilities 41 Utiliti es U tilities referen ce The IO Accelerator insta llation packages includ e various command l ine utilities, instal led by default to the C: Program Files HP IO Accelerator Utils folde r. Th ese utilities pr ovide a numb er of useful manners to access , test, and manipulate you r device. Utility Purpose fio -attach Makes [...]

Utilities 42 I f the IO Accelerator d evice is in minimal mode, then auto - attach is disabled until the cause of the device being in minimal mode is fixed. Syntax fio - attach <device> [options] where <device> is the nam e given to the IO Accelera tor during the insta llation p rocess. The sy ntax is /dev/fctx , where x indicates the P[...]

Utilities 43 This utility captures the current state of the device. When a performance or s tability problem occurs with the device, run the fio - bugreport utility and co ntact HP support ( h ttp://www.hp.c om/support ) for assistance in troubleshooting. fio - bugreport runs several inf ormation - gathering utilities and combines the r esulting da[...]

Utilities 44 Option Description -e Enumerates configuration parameter names and values. -g <name> Gets the configuration p arameter. -p <name> Set and persist the configuration parameter . -s <name> Set the configur ation parameter in m emory only. -V Print verbose in formation. -v Print version inf ormation. f io - config option [...]

Utilities 45 Option Defau lt (min/max) Description After the affinity is queried correctly, the driver sets the affinity of the a dap ter int errupt and assoc iated worker threads to the default operating system setting. This action has the effect of setting the affinity of the in terrupt and worke r threads to all processors on a single NUMA no de[...]

Utilities 46 IMPORTANT: Although the -f (force) opt ion causes th e IO Accelera tor device to detach, even in a RAID setup, it is strongly r ecommended to ta ke the drives/volume offline u sing the Windows® Disk Management plug - in and then perform the detach. Forcing the detach may result in loss o f data. Notes Attempting to detach an IO Accele[...]

Utilities 47 Option Description -y Auto - answer "y es" to all querie s from the appli cation (bypass pr ompts). f io - pci - check Description Checks for er rors on th e PCI bus tree, specifica lly for IO Ac celerators. This utility displays th e current statu s of each IO Accelerator. It also prints the standard PCI Express e rror infor[...]

Utilities 48 Option Description -a Report all ava ilable information for ea ch device. -e Show all errors and warnings for e ach device. This op tion is for dia gnosing issues, and it hides other informati on such as format size s. -c Count: Report o nly the number of io Memory devices install ed. -d Show basic information set plus the total amount[...]

Utilities 49 Data Volume Infor mation: If the -d option is used, then the following da ta volume information is reported in addition to the basic in formation: • Physical bytes written • Physical bytes read All Information : If the -a option is used, then all infor mation is printed, which includes the foll owing information in addition t o bas[...]

Utilities 50 f io -sure- erase CAUTION: Before using this utility, back up any impor tant data. IMPORTANT: As a best practice, do not use this utility if you have any IO Acceler ator devices installed in the system that you do not want to clear or purge. First remove any devices that you do not want to acciden tally erase. After t he data is remove[...]

Utilities 51 Option Description -p Purge instead of Clear: Perfo rms a write followed by an erase. Pur ging the device might take several hours to complete, depending on the size of the device. -y No confirmation: Does not require a yes/no response to execute the utility. -q Quiet: Do not d isplay the statu s bar. Clear support A Clear is the defau[...]

Utilities 52 Syntax fio - trim - config [options] Options Option Description -d Disable Trim on this computer. -e (Default) Enable Trim on this computer. f io -update- iodrive Description The fio - update - iodrive u tility updates the HP IO Accelerator firmware. This utility sc ans the PCI - Express bus for all HP IO Accelerators and updates the m[...]

Utilities 53 Option Description -f Force upgrade . Used primarily to d owngrade to an ea rlier firmware version . If the IO Accel erator driver is not loa ded, this option a lso requires the -d option. -l Lists firmware a vailable in the a rchive. -c Clears locks placed on a dev ice. -p Pretend. Shows wha t updates are done. T he firmware is not mo[...]

Monitoring IO A ccelerator health 54 M onit or ing IO Acce ler ator health N AND flas h and compo nent failure The IO Accelerator is a highly fault - tolerant storage subs ystem that provides many leve ls of protection agains t component failure a nd the loss nature of solid sta te storage. Howev er, as in all storage subsy stems, component failure[...]

Monitoring IO A ccelerator health 55 ... Media status: Healthy; R eserves: 100.00%, warn at 10.00%; D ata: 99.12% Lifetime data volumes: ...Physical bytes written: 6,423,563,326,064 ...Physical bytes read: 5,509,006,756,312 The following Health St atus messages are produced by th e fio - status utility: • Healthy • Low metadata • Read - only [...]

Monitoring IO A ccelerator health 56 mode is evi cted when wr ite I/Os are r eturned fro m the devi ce as failed. Catastrop hic failures a re detected and handled just as though they were on tr aditional storage devices.[...]

Trim support 57 T r im support Introduction to Trim Trim is used to addr ess a unique propert y of solid sta te drives. The issue occurs whe n a user delet es a file, an d then the drive that contains the file does not recognize that it can reclaim that space. Instead, the drive reads the data as valid until the system informs the drive it can over[...]

Trim support 58 S tarting and stopping Trim To start or stop the Trim service through the Windows® Services Manager: 1. Search for IO Accele rator Trim Service. 2. Click Start service or Stop service. Stopping the servic e only stops it for that session. Trim begin s runnin g again when t he computer i s restarted. E nabling Trim 1. Open a registr[...]

Trim support 59 T rim configurations Trim can be used with t he following configura tions and features: • RAID volumes (mirro red, spanned, or striped). NOTE: RAI D 5 (striped with parity) is not currently supported. • Simple volumes (no RAID). • Any combination of th e above RAID levels across multiple devices, s o long as there is at lea st[...]

Using Windows page files with the IO Accelerator 60 U sing W indo w s page f iles w ith the IO Acceler ator I ntroduction to Wind ows page files This section d escribes how to ef fectively use pagin g (swap) files on I O Accelerator d evices with Window s® operating sy stems. Using a page file with a traditional disk d rive places practical l imit[...]

Using Windows page files with the IO Accelerator 61 On Windows® operating s ystems, NTFS will gen erally use a cluster size of 4K, so f ormatting to 512 is not useful except for appl ications that are com patible only with 512 - byt e sector sizes (such as Windo ws® XP and Windows Server ® 2003). The indicated amount is nee ded per IO Accelerato[...]

Using Windows page files with the IO Accelerator 62 An alternate method to manage (e nable or disable) paging support is to use the IO Accelerator Mana gement Tool. NOTE: You must reload th e IO Accelerator dr iver for the new pr eallocation settin g to take effect. Typically this can be done by restarting the machine or using disable/enable wi thi[...]

Using Windows pa ge files with the IO Accelerator 63 S ystem drive pagin g file configuration By default, Windows® operating systems create and manage a page file on the system boot dri ve (typically a hard disk), which i s where the operatin g system is installed . Maintaining a regula r page file on the system hard disk is typic ally not optimal[...]

Using Windows page files with the IO Accelerator 64 V erifying page fil e operation To verify that a page file is acti vely placed on an IO Accelerato r, you can browse for hidden files at the drive root. For example, run the following comm and at a prompt: dir c: /ah In the output listing there should be a file called pagefile.sys . If no page fil[...]

Performance and tuning 65 P erf or mance and tuning I ntroductio n to perform ance and tuning HP IO Accelerator device s provide high bandwidth and high IOPS and are spec ifically designed to achieve low latency. As IO Accelerator de vices improve in IOPS and low la tency, the device perfor mance may be limited by operating system settings and BIOS[...]

Performance and tuning 66 S etting NUMA affinity Servers with a NUMA (Non - Uniform Memory Access) ar chitecture require special in stallation instruction s in order to maximize ioMe mory device performance. These ser vers include the HP ProLiant DL 580 and HP DL980 Servers. On servers wi th NUMA architect ure, durin g system boo t, the BIOS on som[...]

NUMA configuration 67 N UMA conf igur atio n Introduction to NUMA architecture Servers with NUMA (Non - Uniform M emory Access) archit ecture require special installation inst ructions in order to maximize IO A ccelerator device performan ce. These s ervers include the HP DL580 and the HP DL980 server. On servers with NU MA architecture, during sys[...]

NUMA configuration 68 A dvanced con figuratio n example This example server has four N UMA nodes with eight hyper - threaded cores per no de (16 logical processors per node, a total o f 64 log ical process ors in the syst em). This system also u ses the expa nsion config uration and has 11 PCIe expansion slo ts. During sy stem boot, th e system BIO[...]

NUMA configuration 69 processo rs in the specified nodes. To fine tune the configuration, you c an stipulate the hex mask in each <affinity specification> and specify the processo rs for each d evice. C hecking the log for errors If you enter a configuration that is not va lid, the settings will be disabled a nd an error will be display in th[...]

Resources 70 R esour ces S ubscription service HP recommends that you register your product at the Subscriber’s Choice for Business websi te ( http://www.hp.com/support ). After registe ring, you will re ceive e - mail notification of product enhancements, new driver versions, fir mware updates, and other product resources. F or more information [...]

Support and other resources 71 S uppo r t and other r es our ces B efore you contact HP Be sure to have the follo wing informatio n available before you call HP: • Active Health S ystem log (HP ProLiant Ge n8 or later products) Download and have av ailable an Active Healt h Sy stem log for 3 days before the fai lure was detected . For more infor [...]

Support and other resources 72 providers or service partners) identifies that the repair can be accomp lished by the use of a CSR part, HP will ship that part directly to you for re placement. There are two categories of CSR parts: • Mandatory — Parts for which customer self repa ir is mandatory. If you request HP to replace th ese parts, you w[...]

Support and oth er resources 73 Pour plus d'inform ations sur le program me CSR de HP, contact ez votre Maintene ur Agrée local. Pour pl us d'informat ions sur ce progra mme en Amériqu e du Nord, con sultez le site Web HP ( http://www.h p.com/go/selfrep air ). R ipar a zi one da parte del c li en te Per abbreviare i te mpi di riparazion[...]

Support and other resources 74 HINWEIS : Einige Teile sind n icht für Customer S elf Repai r ausgelegt. Um den Garanti eanspruch des Kunden zu erf üllen, muss d as Teil von ein em HP Servicepa rtner ersetzt werden. Im il lustrierten Teilekatalog sind diese Tei le mit „No“ b zw. „Nein“ ge kennzeichnet . CSR - Teile werden abhä ngig von de[...]

Support and other resources 75 sustit ucion es que lleve a cabo el cliente, HP se hará cargo d e todos los gasto s de envío y dev olución de componentes y esco gerá la empresa de transporte que se utilice para dicho se rvicio. Para obtener más i nformación acerca del programa de Reparaciones del prop io cl iente de HP, póngase en contacto co[...]

Support and other resources 76 Opcional – Peças cujo re paro feito pelo cliente é opcional. Es sas peças também são proj etadas para o reparo feito pelo clien te. No entanto, se desejar que a HP as substitua, pode haver ou não a cobrança de taxa adicional, depe ndendo do tipo de servi ço de garantia destinado ao produt o. OBSERVAÇÃ O: A[...]

Support and other resources 77[...]

Support and other resources 78[...]

Regulatory info rmation 79 R egulatory inf or matio n S afety and re gulatory com pliance For safety, environmental, and regulatory info rmation, see Safety and Compliance Informat ion for Server, Storage, Power, N etworking, and Rack P roducts , available at the HP website ( http://www.hp.com/support/Safety - Compliance -EnterpriseProducts ). Turk[...]

Acronyms and abbrevia tions 80 A c r on y ms and abbr e v i ati ons ACPI Advanced Configur ation and Power Interface DVFS dynamic voltage and f requency scaling FAT file allocation ta ble IOPS input/output operations per second LEB Logical Erase Block LFM linear feet per minute MIB management infor mation base MSI Message Sign aled Interr upt NAND [...]

Acronyms and abbrevia tions 81 SMI -S Storage Management Initiative Specification SSD solid - state drive VM Virtual Machine VSL virtual storage laye r[...]

Documentation feedback 82 D oc u men tati on fe edbac k HP is committed to pro viding documentation that meets your nee ds. To help us improve the documentation, send any erro rs, suggestion s, or comment s to Documentation Fee dback ( mailto:docsfeedback@hp.com ) . Include the document title and part number, vers ion number, or the URL when submit[...]

Index 83 A about this guide 6 Adding a file system 28 authorized r eseller 71 automated logging 35 B battery replacement notice 79 before you contact HP 71 C checking for outdated firmware 26 configuring IO Accel erator paging suppor t 60 configuring RAID 29 contact informa tion 71 contacting HP 71 contents summary 6 controlling Trim aggressive nes[...]

Index 84 man ual installation on W indows Server 21 monitoring IO Acc elerator health 54 N naming 27 NAND flash and component f ailure 54 non - paged memory pool 61 NUMA archite cture 67 NUMA configurat ion 67, 68 O operating environment 9 outdated firmware 26 overview 7 P page files, setting up 62 PCIe power o verride, enabl ing 38 PCIe power, ena[...]