HP 9470m User's Manual
Contents
1. Initiate RAID migration 15 4 Once the Create Volume button is clicked you are informed that the array has been created Click the OK button The array migration continues to run in the background The computer can be used normally while the migration continues 5 When you are notified that the array migration is complete close all open programs and then reboot the computer 6 When the computer boots up the operating system detects the newly created array and requests a reboot Reboot the computer when prompted After the final reboot the RAID migration is complete Migrating to Flexible data protection Recovery Recovery offers more control over how data is copied from the primary drive to the recovery drive When the secondary hard drive is in the SATA swappable bay of the HP Advanced Docking Station or connected to the eSATA port of the computer select models only Recovery is the only RAID option available 16 Chapter5 RAID volume setup Ey NOTE Flexible data protection is not available using the eSATA port on the docking station on select models On models unable to access flexible data protection on the eSATA port on the docking station connect using the eSATA port on the notebook 1 Click Create click Flexible data protection Recovery and then click Next 2 Create a volume name or use the suggested name The two hard drives to use for the Recovery array are already selected Click Next Initi2. P performance 5 primary drive 2 R RAIDO 3 RAID1 3 RAID array 2 5 RAID migration 2 6 12 14 RAID terminology fault tolerance 2 hard drive 2 option ROM 2 primary drive 2 RAID array 2 RAID migration 2 RAID volume 2 recovery drive 2 reliability 2 stripe 2 striping 2 RAID volume 2 6 12 27 recovery drive 2 11 16 25 27 reliability 2 resetting RAID drives to non RAID 25 S SATA drives 6 simplified migration 11 stripe 2 3 striping 2 5 supported devices 6 supported operating systems 6 supported RAID modes 2
3. RAID 0 offers no fault tolerance which means that if one drive fails the entire array fails RAID 1 RAID 1 copies or mirrors identical data on two hard drives If one hard drive fails RAID 1 allows data to be recovered from the other hard drive RAID 5 RAID 5 distributes data across three hard drives If one hard drive fails RAID 5 allows data to be recovered from the other two hard drives Flexible data protection Recovery Flexible data protection Recovery is a feature of Intel Rapid Storage Technology software Recovery enhances RAID 1 functionality with several features that make it easier for users to mirror data to a designated recovery drive For example Recovery allows users to determine how the recovery volume is updated either continuously the default or on request Recovery also enables docking and undocking of the computer if the second drive is in the docking station s bay RAID mode summary The following table describes the functions applications and advantages and disadvantages of the supported RAID modes RAID levels Function Applications Advantages Disadvantages RAID 0 Function Advantages P E n unites Data is distributed across Read performance is both disk drives higher than that of a non RAID hard drive Applications Total storage capacity is e Image editing doubled e Video production Disadvantages e Pre press applicationS The entire array fails if one drive fails da
4. already enabled and in RAID mode from the factory and no further user configuration is required Intel Smart Response Technology SRT is an Intel Rapid Storage Technology RST caching feature that significantly improves computer system performance It allows a user to configure computer systems with an SSD mSATA module used as cache memory between the hard disk drive and system memory This configuration provides the advantage of having a hard disk drive or a RAID volume for maximum storage capacity while simultaneously delivering an enhanced system performance experience Ey NOTE Intel Smart Response Technology caching is implemented as a single drive letter solution No additional drive letter is required for the SSD device used as a cache Typically SRT is enabled from the factory and no further user configuration is required SRT is not supported when used with SSD or SED drives Advanced Host Controller Interface 9 Ey NOTE If you add a hard drive and intend to set a RAID volume you must temporarily disable SRT RAID volumes i e RAID 0 RAID 1 etc cannot be created if SRT is enabled Disable SRT to create the desired RAID volume After temporarily disabling SRT you must reenable SRT If you intend to reinstall the software image SRT must first be disabled You must select Set to Available before reinstalling the operating system and associated software To temporarily disable SRT 1 From the Start scre
5. in this guide and describes the RAID technologies supported by select HP Business computers RAID terminology Some of the terms in the following table have a broader meaning but they are defined in relation to the RAID implementation described in this guide Term Fault tolerance Definition The ability of the computer to continue to operate if one drive fails Fault tolerance is often used interchangeably with reliability but the two terms are different HDD One physical hard disk drive in the RAID array Option ROM A software module inside the system s BIOS that provides extended support for a particular piece of hardware The RAID option ROM provides boot support for RAID volumes as well as a user interface for managing and configuring the system s RAID volumes Primary drive RAID array RAID migration The main internal hard drive in the computer The physical drives that appear as one logical drive to the operating system The change of data from a non RAID to RAID configuration RAID level migration or the change of data from one RAID level to another is not supported RAID volume A fixed amount of space across a RAID array that appears as a single hard drive to the operating system Recovery drive The hard drive that is the designated mirror copy of the primary drive in a RAID 1 and Recovery volume Reliability Stripe Striping The likelihood over a period of tim
6. request data in the same order that it was written to the platter long delays latency would result if the drive head had to locate data in the exact order that the hard drive receives read requests Native Command Queuing NCQ allows SATA hard drives to accept multiple commands and change their execution order to improve performance This is analogous to the way an elevator reorders floor requests to minimize travel time and mechanical wear Similarly NCQ reduces the latency and unnecessary drive head movement required to execute multiple outstanding read write requests resulting in increased performance and reliability NCQ requires support from the Computer Setup BIOS SATA controller and controller driver Hot plug capability Hot plug capability allows the SATA recovery hard drive to be removed or inserted while the computer is running Hot plug capability is supported when the recovery hard drive is connected to the eSATA port or located in the docking station s SATA swappable bay For example the recovery hard drive in the docking station s SATA swappable bay can be removed while the computer is running if you need to temporarily insert an optical drive in the bay Hot plug capability also allows you to dock and undock the computer at any time Intel Smart Response Technology select models only EY NOTE Intel Smart Response Technology requires that the SATA controller be set to RAID mode in Computer Setup BIOS Typically SRT is
7. write performance may be slower However data can be read from both hard drives so the read performance can be higher than that of a single non RAID hard drive e RAID 5 performs at a level between RAID 0 and RAID 1 RAID modes supported 5 3 Operating systems and devices supported Operating systems supported HP RAID supports the Windows 8 operating system Devices supported This section describes the devices supported for RAID migration including the SATA drives computers and docking station Device support is summarized in the following table and then explained in more detail below the table External USB SATA drives connected to the computer or docking station cannot be used for migrating to RAID Primary and Upgrade Bay Primary and secondary Docking station hard drive SATA hard drives in the bay SATA hard drives in or eSATA hard drive computer the computer attached to computer RAID 0 Yes Yes No RAID 1 Yes Yes No Recovery Yes Yes Yes RAID 5 No Yes No HP SATA drive option kits HP offers SATA drive option kits for the computer Upgrade Bay and the docking station s SATA swappable bay to support RAID migration For optimal RAID performance it is recommended that both drives have the same speed However supported HP Business computers allow drives with different speeds to be used in a RAID volume Drives of different capacities are also supported for RAID migration as long as the capacity of the secondary r
8. D mode to enhance the system s performance You must first disable SRT and then select Set to Available in order for the computer to boot in AHCI mode What is the maximum number of hard drives that can be connected to the system during boot when the storage controller is in RAID mode f10 Computer Setup This limitation does not apply when the storage controller is in AHCI mode Once the storage controller is changed to RAID mode only 3 hard drives can be connected to the unit during boot up After the notebook is booted up additional hard drives can be connected This does not apply to attached USB hard drives Can more than one RAID volume be installed on a computer 27 Index A Advanced Host Controller Interface 9 automatic hard drive switching and rapid recovery 11 D devices supported 6 E enabling RAID 12 eSATA hard drives 6 F fault tolerance 2 3 4 5 Flexible data protection 3 frequently asked questions 27 H hard drive 2 hot plug 9 HP Advanced Docking Station 8 HP Business computers 7 HP SATA drive option kits 6 l initiating RAID migration 14 Intel Rapid Recover Technology 9 11 Intel Rapid Storage Technology Console Recovery features 23 Intel Smart Response Technology 9 M migrating to RAID O 19 migrating to RAID 1 14 migrating to Recovery 16 mirror update policies 11 mirroring 5 modes 2 N Native Command Queuing 9 28 Index O operating systems supported 6 option ROM 2 25
9. GY RAID User Guide Copyright 2011 Hewlett Packard Development Company L P Intel is a trademark of Intel Corporation in the U S and other countries Microsoft and Windows are U S registered trademarks of Microsoft Corporation 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 October 2012 Document Part Number 707990 001 Product notice This user guide describes features that are common to most models Some features may not be available on your computer Table of contents MERE E EGY e a E E E T A E E EEE EE E E E E A T 1 2 RAID technology OVI W sirrcna EEA NENEN eevee 2 RAID terminology ercana ni i N ETR A T 2 RAID modes supported ccceeeeeeeeeeeecee cee ee eect eect rnnt teeta cea aaaaaaecaeeeeeeeeeeeeeeeseetdeeecccciesaeeeeeeeeeeeeeeeeeeeees 2 3 Operating systems and devices supported cccceeeceeee eee eeeeeeeeeeeeeeeeessseasneaneaeeeeceeseeeeeeeeeeeeeeeseeeeeseeeseeeenes 6 Operating systems SUPPOFted nsaria anaidia aad aaa aaa aaa a aai daaa 6 Devices SUP PONE 5 5 sccuddesccecccssvandeuanaanndaaddebassanuensanasnaddnndanecadsbaraddeansdbnnsdeacedsaadedvensnaieawdatanecvesteaac
10. at allow you to switch between AHCI and RAID modes without reinstalling the operating system If you use a different hard drive image you may need to reinstall the operating system Ey NOTE Below SATA Device Mode there is a check box for Ctrl Prompt If this is selected the Intel option ROM screen is visible during the computer bootup time 5 Select File gt Save Changes and Exit Then click Yes to save the changes If you do not want to apply your changes select Ignore Changes and Exit C ET E Z CAUTION Do NOT turn the computer power off while the ROM is saving the f10 Computer Setup changes because the Complementary Metal Oxide Semiconductor CMOS could become corrupted Turn the computer off only after exiting the f10 Setup screen 6 After the operating system boots you can begin the RAID migration procedure Enable RAID using the Computer Setup BIOS f10 13 Initiate RAID migration A Open the Intel Rapid Storage Technology Console From the Start screen type Intel and then select Intel Rapid Storage Technology Follow the on screen instructions Migrating to RAID 1 1 Click Create click Real time data protection RAID 1 and then click Next 14 Chapter 5 RAID volume setup 2 Create a volume name or use the suggested name select the two hard drives to use for the RAID 1 array and then click Next 3 Click Create Volume to begin the migration process as Erh roiie aaa apja va
11. ate RAID migration 17 3 4 5 Click Create Volume to begin the migration process ea ee ek Bw Sr UU REE rey f m ry rg Once the Create Volume button is clicked you are informed that the array has been created Click the OK button The array migration continues to run in the background The computer can be used normally while the migration continues ee eat oe oria ere SE erage ages Te ti oe a When you are notified that the array migration has completed close all open programs and then reboot the computer When the computer reboots the operating system detects the newly created array and requests another reboot Reboot the computer when prompted After the final reboot the RAID migration is complete NOTE Itis possible that during a rebuild of the RAID volume the Intel Rapid Storage Technology screen will display 0 GB to indicate the available storage space However the RAID volume storage space size will return to its original state after completion of the rebuild operation The rebuild operation may take several hours depending on the size of the hard drives 18 Chapter 5 RAID volume setup Migrating to RAID 0 2 NOTE When using an HP supplied image migrating to RAID 0 requires you to perform additional advanced steps including copying data to an additional external USB hard drive Please read the entire RAID 0 migration procedure before you begin 1 Click Create cl
12. deaadeaeys 27 Can SRT be enabled in AHCI mode 1 00 2 cccccccscccecceeeceeeeeeeeeeeee cesta caaeeaaaeeaaaesaeaaaeeaecaeeeeeeeeeeeeeeneeess 27 What is the maximum number of hard drives that can be connected to the system during boot when the storage controller is in RAID mode f10 Computer Setup ccccccccceeeeeeeeseeeteeeeeeeeeees 27 a E A E A E E E A N A A A T 28 Introduction Until recently there were limited options for most computer users who wanted to protect their data from loss in the event of a hard drive failure These options were manually copying files to a backup drive or using cumbersome backup software If users failed to perform one of these mundane tasks prior to a hard drive failure they had to spend considerable time and money to recover even a portion of the data on the drive Server and desktop computer users have long enjoyed the security and benefits of RAID Redundant Array of Independent Disks technology to recover data in the event of drive failure HP now offers a simple RAID solution for notebook computer users who need to protect data ona Serial ATA SATA disk drive in case of drive failure or virus attacks HP s RAID solution also benefits computer users who frequently work with large files and want to improve the storage performance of their computer Ey NOTE The illustrations in this guide are provided in English only 2 2 RAID technology overview This chapter defines the terms used
13. divdnss 6 4 Intel Rapid Storage Technology saahcscss cesedecssierasedecnesceasedenneserasesspneserssesssiniees tesnsuusseseabsinseetesncesesnveinnesesennne 9 Advanced Host Controller Interface ccccecceceeceecceceeeeeneecaaecaeeceeeeeeeeeeeeeeeeeeeeeeeetceteceiecsecssiceeeeeeees 9 Intel Rapid Recover Technology saxice2sscveceacedeeecs Sebccdanede va deeded dees taeda E EE 11 5 RAD y lume SOUP niassa aaa aaia Oaa sana aaa Eaa 12 Enable RAID using the Computer Setup BIOS f10 asessssssessessseessirresrrsernrsssrrrrssrrrnrtensssrrnnssrnn 12 Initiate RAID Migration js sicedsevcecavetend inia EERE ede ened ea icedde eed 14 Using Intel Rapid Storage Technology Recovery Console features eeeeeeeeeeeeeeeeeenteeeeeees 23 6 Resetting RAID drives CO non RAID saiciciscenscsanscniasccmascctdaasscestendaasceanaentaaccesaseniaaascaanentecdscbaaassteraddatenaasnusds 25 T PreQuently asked GUIGSUGINS sisiisccssaccccsuseadictiiavnsacsesiaianieadsssauaveeasassadde tusiedeiaddavededeitaasvvaddbasduaedabseaiavbiaeayiaaay 27 Can more than one RAID volume be installed on a computer eee eeeeecseeceeeceeeceeeeeeeeeeeeeeeeeeetenes 27 Is RAID supported to allow both RAID 0 and RAID 1 on a single RAID volume sosesc 27 Can the computer be undocked if the recovery hard drive is in the docking station SATA SWappPable bay cscasdeeaveas Hesiveendsvs value sede n E oc vueaaad dun aueedeal cucniceiagdeaadvanseeeiugesdesdieaieiecetea
14. e that a hard drive can be expected to operate without failure also known as mean time before failure MTBF The set of data on a single hard drive in a RAID volume The distribution of data over multiple disk drives to improve read write performance SSD solid state drive A solid state drive is a flash based or DRAM based hard drive with no rotating media SED self encrypting drive mSATA module A self encrypting drive is a hard drive that uses hardware encryption to protect the data on the drive An mSATA module is a flash memory module with an mSATA connector RAID modes supported The RAID modes supported by HP Business computers include RAID 0 RAID 1 RAID 5 and Flexible data protection Recovery as described below RAID modes 0 1 and Recovery require two SATA hard drives RAID mode 5 requires three SATA hard drives This can be accomplished by inserting a third SATA hard drive into the upgrade bay of specially equipped computers RAID 10 is not supported Chapter 2 RAID technology overview Ey NOTE When the SATA controller is in RAID mode it will only support up to 4 SATA port devices Enabling a fifth SATA port device causes the computer to freeze Removing the fifth SATA port device restores normal operation RAID 0 RAID 0 stripes or distributes data across both drives This allows data especially large files to be read faster because data is read simultaneously from both drives However
15. e Mode link and then clicking Yes 24 Chapter5 RAID volume setup Resetting RAID drives to non RAID You can reset a RAID 1 or Recovery volume to two non RAID drives using the following instructions to access the Intel Option ROM and reset both drives to non RAID status You must also reset both drives to non RAID status if you need to move the RAID recovery drive from the computer s upgrade bay to the docking station s bay Ey NOTE A RAID 0 or RAID 5 volume cannot be migrated to a RAID 1 volume or to a non RAID primary hard drive because the size of the RAID 0 or RAID 5 volume may be greater than the capacity of the primary hard drive If you wish to return the primary hard drive in a RAID 0 or RAID 5 volume to non RAID status you must first back up all data to an external drive with sufficient capacity Next follow the steps below to reset the RAID 0 or RAID 5 drives to non RAID status After you complete the procedure you must reinstall the operating system on the primary drive 1 Power on or restart the computer When the Option ROM window displays press ctrl to enter the configuration utility Ey NOTE The OPTION ROM ctrl feature must be enabled in the Computer Setup BIOS in computers with Windows 7 and Windows 8 operating systems For computers with Windows 8 operating systems you must also switch from UEFI Native mode to UEFI Hybrid mode in the system BIOS 2 Inthe Main Menu use the up or down arrow k
16. e docking station s recovery drive all new or revised data on the primary hard drive is automatically copied to the recovery hard drive when the notebook is redocked This policy also allows for an unfinished mirroring operation to be completed if it was interrupted when you undocked the notebook When using the update on request policy data on the primary hard drive is copied to the mirror hard drive only when you request it by selecting Update Recovery Volume in Recovery After the request only the new or updated files on the primary drive are copied to the mirror hard drive Prior to updating the mirror hard drive the on request policy allows a file to be recovered if the corresponding file on the primary hard drive is corrupted The on request policy can also protect data on the mirror hard drive if the primary hard drive is attacked by a virus provided you do not update the mirror hard drive after the virus attack Ef NOTE You can change the mirror update policy at any time by right clicking Modify Volume Update Policy Automatic hard drive switching and rapid recovery If the primary hard drive fails Recovery automatically switches to the mirrored drive without user intervention Recovery displays a message to notify you of the primary hard drive failure In the meantime the computer can boot from the mirrored hard drive When a new primary hard drive is installed and the computer is booted Recovery s rapid recovery feature copie
17. ecovery drive is equal to or greater than that of the primary drive For example if the primary drive is 200 GB then at least a 200 GB drive is required in the Upgrade Bay to create a RAID volume If the capacity of the secondary drive is larger than that of the primary drive the excess capacity of the secondary or third drive will not be accessible If for example the primary drive is 160 GB and the secondary drive is 250 GB only 160 GB of the secondary drive will be usable in a RAID configuration Therefore for optimal use it is recommended that both drives have the same capacity eSATA hard drives select models only External SATA or eSATA is an external interface that allows a SATA drive to achieve data transfer speeds up to 6 times that of a SATA drive using a standard USB 2 0 interface The following illustration shows a supported computer with a primary hard drive 1 and an eSATA drive 2 connected to the eSATA port select models only to allow Recovery Regarding the capacity of the Chapter 3 Operating systems and devices supported eSATA drive the same recommendations apply as stated for secondary drives in the computer Upgrade Bay HP Business computers Select HP Business computers support RAID using Intel Rapid Storage Technology software v10 and higher and a second SATA drive in the Upgrade Bay The following illustration shows a supported computer with the primary hard drive 1 and a secondary hard drive i
18. en type Intel and then select Intel Rapid Storage Technology 2 Click the Acceleration link and then click the Disable Acceleration link 3 Select Disable Acceleration 4 Click the Reset to Available link Wait for the Acceleration Mode to complete iy IMPORTANT You must temporarily disable SRT when changing RAID modes Make the change and then re enable SRT Failure to temporarily disable this feature will prevent you from creating or changing RAID volumes Ey NOTE HP does not support SRT with self encrypting drives SEDs To enable SRT 1 Select Start gt All Programs gt Intel gt Rapid Storage Technology 2 Click the Accelerate icon and then click Select device 3 Select the SSD size to be allocated for the cache memory Ey NOTE It is recommended to use the maximum size Any remaining space on the SSD may be used for data storage using the simple data single disk 4 Select the hard drive or RAID volume to be accelerated Ey NOTE It is highly recommended to accelerate the system volume or system disk for maximum performance 5 Select the acceleration mode and then click OK The recommended setting is Maximized mode which is acceleration optimized for input output performance The page refreshes and reports the new acceleration configuration in the Acceleration View Ey NOTE Before replacing or reimaging a hard drive you must disable SRT Ey NOTE When replacing or reimaging a hard drive y
19. ey to select 3 Reset Disks to Non RAID and then press enter The Reset RAID Data window is displayed 25 3 Press the space bar to select the first drive and then press the down arrow key and the space bar to select the second drive a ee ae 4 Press enter and then press Y to confirm the selection Ey NOTE The Option ROM menu automatically appears during bootup when an issue is detected within the RAID environment After the issue has been resolved the Option ROM menu only appears when it is selected from within the Computer Setup BIOS menu 5 Use the down arrow key to select Exit and then press enter and Y to boot the system 26 Chapter6 Resetting RAID drives to non RAID 7 Frequently asked questions Can more than one RAID volume be installed on a computer No there can only be one RAID volume on a computer Is RAID supported to allow both RAID 0 and RAID 1 ona single RAID volume No Can the computer be undocked if the recovery hard drive is in the docking station SATA swappable bay Yes If the Continuous update policy is selected data is automatically copied to the docking station s recovery drive when the computer is re docked If the Update on request policy is selected you must follow the normal procedure to copy data to the recovery hard drive when the computer is re docked Can SRT be enabled in AHCI mode No Smart Response Technology requires that the SATA mode is set to RAI
20. hree hard drives If one hard drive fails RAID 5 allows data to be recovered from the other two hard drives Applications A good choice for large amounts of critical data Advantages Data redundancy Improved performance and capacity High fault tolerance and read performance Disadvantages During a RAID rebuild after a hard drive fails system performance can be decreased Fault tolerance Fault tolerance is the ability of a RAID array to withstand and recover from a drive failure Fault tolerance is provided by redundancy Therefore RAID 0 has no fault tolerance because it does not copy data to another hard drive With RAID 1 and Recovery one drive can fail without causing the array to fail With Recovery however the restoration of a single file or an entire hard drive is much simpler than with RAID 1 alone With RAID 5 one of the three hard drives can fail without causing the array to fail Performance Performance is easy to understand but it is difficult to measure because it involves several factors some of which are beyond the scope of this document Overall storage performance is determined by write performance and read performance both of which vary based on the RAID technology selected e RAID 0 striping improves overall storage performance because data can be written and read simultaneously across two hard drives e Recovery and RAID 1 mirroring writes the same data to both hard drives therefore
21. ick Optimized disk performance and then click Next f f f f f f f _ 2 Create a volume name or use the suggested name select the two hard disk drives to use for the RAID 0 array and then click Next 3 Click Create Volume to begin the migration process Initiate RAID migration 19 4 A message displays notifying you that the array has been created Click the OK button EY NOTE The array migration continues to run in the background The computer can be used normally while the migration continues i 5 When you are notified that the array migration has completed close all open programs and then restart the computer When the computer is restarted the operating system detects the newly created array and prompts you to restart the computer a second time 6 After you have restarted the computer a second time the RAID migration is complete Ey NOTE Although the total capacity of the RAID 0 volume appears in the Console the extra capacity created with the addition of the secondary hard drive appears to the system as unallocated space After the system reboots you must allocate the unallocated space Windows 8 contains additional capabilities that allow you to create a single RAID 0 volume Migrating to RAID 5 select models only NOTE When using an HP supplied image migrating to RAID 5 requires you to perform additional steps including copying data to an additional e
22. n the Upgrade Bay 2 that allows RAID 0 RAID 1 and Recovery The following illustration shows a supported computer with the primary hard drive 1 and secondary hard drive 2 with the third drive in the Upgrade Bay 3 that allows RAID 5 Devices supported 7 Tr HP Advanced Docking Station Recovery supports docking and undocking It can be used to implement mirroring between the primary hard drive 1 and an optional hard drive in the SATA swappable bay of the HP Advanced Docking station 2 The following illustration shows an HP Advanced Docking Station with the recovery hard drive in the SATA swappable bay that allows Recovery 8 Chapter 3 Operating systems and devices supported 4 Intel Rapid Storage Technology Intel Rapid Storage Technology supports the following Recovery features Advanced Host Controller Interface The Advanced Host Controller Interface AHCI is a specification that allows the storage driver to enable advanced SATA features such as Native Command Queuing and hot plug capability AHCI must be enabled in the Computer Setup BIOS for these features to apply see Enable RAID using the Computer Setup BIOS f10 on page 12 AHCI is enabled by default on supported HP Business computers Native Command Queuing A read write drive head writes data to a hard drive platter in concentric circles tracks based on the order in which the write request was received Because applications rarely
23. on through the operating system is to create and format a separate volume Windows 8 contains additional capabilities that allow you to create a single RAID 5 volume Ey NOTE Due to the complexity of the RAID 5 volume it will take longer for the computer to enter Hlbernation than it does for other operations After entering Hibernation ensure that all computer activity has ceased and that all the lights are turned off before storing the computer in an enclosed space such as a computer carrying case 22 Chapter5 RAID volume setup Using Intel Rapid Storage Technology Recovery Console features When using the Recovery Console you can select how often the recovery hard drive is updated continuously or on request Continuous Updates is the default update policy see Mirror update policies on page 11 The steps to change the update policy to on request are as follows 1 Click Manage and then click the Recovery Volume to select it e 2 Click the Advanced link in the left pane Gate etna seen Using Intel Rapid Storage Technology Recovery Console features 23 3 Update mode displays the current setting To change the current setting click the Change Mode link and then click Yes When using the on request update policy you can manually update the recovery volume by selecting the Update Data link A el Nar ed Fk ta ype ee 4 You can restore the continuous update policy at any time by selecting the Chang
24. ou must clear the cache to prevent a data conflict with information stored in cache memory To clear the cache from the Start screen type Intel and then select Intel Rapid Storage Technology Next click the Acceleration link select Disable Acceleration and then click the Reset to Available link to clear the cache To configure SATA mode in Computer Setup BIOS 1 Turn on or restart the computer and then press esc while the Press the ESC key for Startup Menu message is displayed at the bottom of the screen 2 Press f10 to enter Computer Setup BIOS 3 Use a pointing device or the arrow keys to select System Configuration gt Device Configurations 4 In SATA Device Mode change the value to RAID 5 Use the arrow keys to select File gt Save Changes and Exit and then press enter 10 Chapter 4 Intel Rapid Storage Technology For more information on Intel Smart Response Technology see http www intel com support chipsets sb CS 032826 htm wapkw Smart 20Response 20Technology Intel Rapid Recover Technology Intel Rapid Storage Technology supports the following recovery features Mirror update policies With Recovery you can determine how often the mirror hard drive is updated continuously or on request When using the continuous update policy data on the primary drive is simultaneously copied to the mirror drive as long as both drives are connected to the system If you undock the computer while using th
25. s all mirrored data to the primary hard drive Ey NOTE If using the update on request policy and the primary hard drive fails or a file on the primary hard drive becomes corrupted all unmirrored data is lost Simplified migration from RAID to non RAID Users can migrate from a RAID 1 or Recovery volume to two non RAID hard drives called breaking the array by following the instructions in Resetting RAID drives to non RAID on page 25 Migration from RAID 1 to Recovery is also supported However migration from RAID 0 to RAID 1 or from RAID 0 to a non RAID primary hard drive is not supported Intel Rapid Recover Technology 11 5 RAID volume setup 2z NOTE If your system has Intel Smart Response Technology please see Intel Rapid Storage Technology on page 9 before setting up RAID volumes The following instructions assume that a supported hard drive is installed in the computer Upgrade Bay in the SATA swappable bay of the docking station or connected to the eSATA port of the computer see Devices supported on page 6 The basic RAID migration steps are as follows e Enable RAID through the Computer Setup BIOS e Initiate RAID migration using Intel Rapid Storage Technology Console CAUTION Make sure that the computer is connected to AC power before initiating the following procedures The loss of power during RAID migration can result in the loss of data Enable RAID using the Computer Se
26. ta cannot be recovered Storage space may be wasted if the capacities of the primary and recovery hard drives are different see HP SATA drive option kits on page 6 RAID modes supported 3 4 RAID levels RAID Recovery Function Applications Function Identical mirrored data is stored on two drives Applications e Accounting e Payroll e Financial Function Identical mirrored data is stored on two drives Boosts the functionality of RAID 1 with valuable features Applications Any application that requires a simple data protection method Advantages Disadvantages Advantages Provides high fault tolerance Disadvantages Only half of the total drive capacity can be used for storage Storage space may be wasted if the capacities of the primary and recovery hard drives are different see HP SATA drive option kits on page 6 Advantages Provides high fault tolerance Users can choose to mirror data continuously or on request Data recovery is quick and easy Allows hot plugging of mirrored drive with eSATA or docking station hard drive Enables easy migration to non RAID Disadvantages Only half of the total drive capacity can be used for storage Storage space may be wasted if the capacities of the primary and recovery hard drives are different Chapter 2 RAID technology overview Function Distributes data across t
27. tup BIOS f10 Ey NOTE The following procedures assume that you are using the hard drive image that shipped with your computer If a different image is installed on your computer you must first enable RAID through the Computer Setup BIOS f10 and then install the operating system and all required drivers including the Intel Rapid Storage Technology driver Next follow the steps in Initiate RAID migration on page 14 RAID volumes are created primarily between the primary hard drive and an internally connected secondary hard drive RAID volumes are not allowed to be created between a primary hard drive and an externally connected hard drive Creating a RAID volume between two externally connected hard drives is possible although there is little benefit in doing so 1 Turn on the computer or restart it 2 Press f10 as soon as the computer boots Ey NOTE If you do not press f10 at the appropriate time you must restart the computer and then press f10 again to access the utility 3 Inthe Computer Setup BIOS select System Configuration gt Device Configurations 12 Chapter5 RAID volume setup 4 Inthe Device Configurations window select RAID under SATA Device Mode Click Confirm The following message is displayed Changing this setting may require reinstallation of your operating system Are you sure you want to proceed Ey NOTE The hard drive image supplied with your computer contains drivers th
28. xternal USB hard drive Please read the entire RAID 5 migration procedure before you begin Ey NOTE RAID 5 requires 3 hard drives in the computer the primary hard drive the secondary hard drive and the upgrade bay hard drive Click Create select Efficient data hosting and protection RAID 5 and then click Next 1 20 Chapter 5 RAID volume setup 2 Create a volume name or use the suggested name select the three hard drives to use for the RAID 5 array and then click Next 3 Click Create Volume to begin the migration process Initiate RAID migration 21 4 Once Create Volume is selected you are informed that the array has been created Click the OK button The array migration continues to run in the background The computer can be used normally while the migration continues 5 When you are notified that the array migration has completed close all open programs and then restart the computer When the computer is restarted the operating system detects the newly created array and prompts you to restart the computer a second time 6 After you have restarted the computer a second time the RAID migration is complete NOTE Although the total capacity of the RAID 5 volume appears in the Console the extra capacity created with the addition of the three hard drives appears to the system as unallocated space After the system reboots you must allocate the unallocated space For Windows XP the only opti
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