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E-5

About RAID

RAID 50

This dual-level RAID type is created by using two or more equal-
sized RAID 5 arrays to create a RAID 0. The top-level RAID 0
shares the load among the second-level RAID 5s, improving both
read and write performance. Parity, used in the second-level
RAID 5s, provides efficient redundancy.

Parity B0

Data 7

Data 11

Parity B3

Drive

Data 4 & Data 5

RAID 5

RAID 5

Data 3

Parity B1

Data 10

Data 15

Drive

Data 2

Data 6

Parity B2

Data 14

Drive

Parity A0

Data 5

Data 9

Parity A3

Drive

Data 1

Parity A1

Data 8

Data 13

Drive

Data 0

Data 4

Parity A2

Data 12

Drive

Data 0 & Data 1

Data 8 & Data 9

Data 12 & Data 13

Data 2 & Data 3

Data 6 & Data 7

Data 10 & Data 11

Data 14 & Data 15

Top-Level Arrays

Second-Level Arrays

RAID 50

RAID 0

RAID 0

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Содержание ICP9014RO

Страница 1: ...INSTALLATION AND USER S GUIDE ICP VORTEX RAID CONTROLLER ICP9014RO ICP9024RO...

Страница 2: ...f Microsoft Corporation in the US and other countries used under license All other trademarks are the property of their respective owners Changes The material in this document is for information only...

Страница 3: ...ort Options For support via Email or phone contact the ICP Technical Support Specialists at icp_support adaptec com 49 0 7132 9620 900 For sales information via Email or phone contact the ICP sales de...

Страница 4: ...nrad Zuse Str 9 D 74172 Neckarsulm Germany 49 7132 9620 0 5 THIS LIMITED WARRANTY DOES NOT EXTEND TO ANY PRODUCT WHICH HAS BEEN DAMAGED AS A RESULT OF ACCIDENT MISUSE ABUSE OR AS A RESULT OF UNAUTHORI...

Страница 5: ...levision technician for help Use a shielded and properly grounded I O cable and power cable to ensure compliance of this unit to the specified limits of the rules This device complies with part 15 of...

Страница 6: ...u R glement sur le mat riel brouilleur du Canada Japanese Compliance Voluntary Control Council Initiative This equipment complies to class B Information Technology equipment based on VCCI Voluntary Co...

Страница 7: ...ut the Documentation 1 9 Using the Installation CD 1 9 Booting from the CD With No Operating System 1 10 Using the CD Autorun in Windows 1 10 Browsing the CD 1 11 Installing the Adobe Acrobat Reader 1...

Страница 8: ...g the NetWare Driver 3 9 Installing the Driver When You Install NetWare 3 9 Installing the Driver in an Existing NetWare System 3 10 Loading NetWare Drivers During Server Restart 3 11 4 Installing and...

Страница 9: ...tializing Drives A 8 Rescanning Drives A 9 Using SCSISelect A 9 Controller Configuration Options A 10 SCSI Configuration Options A 12 Using Disk Utilities A 14 Viewing the Event Log A 15 B ACU for DOS...

Страница 10: ...oduction D 2 Installing ARCCONF D 2 Installing ARCCONF for Windows D 2 Installing ARCCONF for NetWare D 3 Installing ARCCONF for Linux D 4 Starting ARCCONF D 5 Using ARCCONF D 5 Status Functions D 6 R...

Страница 11: ...xi Contents G Controller Reset Procedures Mode 0 Flash G 2 Create a bootable floppy disk G 2 Mode 0 flash Procedures G 2 H Controller Illustrations LED Function H 2 I Specifications Glossary Index...

Страница 12: ...trate unprecedented performance and RAID flexibility For a description of features for your ICP controllers see Controller Features on page 1 4 Overview 1 1 Kit Contents 1 2 Overview of the Installati...

Страница 13: ...uild the bootable array as described in Creating a Bootable RAID 5 Array on page 2 4 b Install the driver at the beginning of the operating system installation as described in Chapter 3 c Install ICP...

Страница 14: ...ollowing list summarizes the hardware requirements Intel Pentium or equivalent processor A motherboard that meets the following compatibility requirements Complies with the PCI Local Bus Specification...

Страница 15: ...5 06a and 5 07 Novell NetWare 6 x Controller Features This section contains the following subsections Features Overview Features Summary Advanced Features Features Overview The ICP9014RO or ICP9024RO...

Страница 16: ...nagement across all ICP host based RAID products using ICP Storage Manager In addition to local console access ICP Storage Manager provides remote configuration and management of RAID subsystems throu...

Страница 17: ...ting down your system Online Capacity Expansion Array Level Migration ICP9014RO ICP9024RO Form factor Low profile Low profile PCI compatibility PCI PCI X PCI PCI X PCI bus width max 64 bit 64 bit PCI...

Страница 18: ...y without restarting the system For details refer to your Windows documentation Array Level Migration The ICP9014RO or ICP9024RO RAID controllers allow you to migrate from one array type to another Th...

Страница 19: ...the Alarm The alarm sounds under the following circumstances When the controller is running and a drive fails For example if a drive becomes unplugged the alarm sounds When restarting the system if an...

Страница 20: ...File Contains late breaking technical information Installation and User s Guide this book PDF file on the installation CD with complete information on how to install and configure your controller and...

Страница 21: ...matically read the CD you can prompt it to read the CD by clicking on autorun exe from the CD s root directory The CD presents the following options Install ICP Storage Manager Installs the management...

Страница 22: ...neral Public License GPL agreement Installing the Adobe Acrobat Reader Both Adobe Acrobat Reader and Viewer are provided on the installation CD These applications allow you to view PDF files Acrobat R...

Страница 23: ...hich the operating system has not yet been installed Also available as a DOS based executable see next bullet For details on using the ACU see Appendix A For details on using the DOS based ACU see App...

Страница 24: ...emoving and replacing components To prevent ESD damage Use an ESD wrist or ankle strap and ensure that it makes skin contact Connect the equipment end of the strap to an unpainted metal surface on the...

Страница 25: ...2 1 2 Installing the Controller and Drives In this Chapter Installing the Controller and Drives 2 2 Determining the Boot Controller 2 3 Creating a Bootable RAID 5 Array 2 4...

Страница 26: ...cabinet replace the original full height bracket with the low profile bracket 2 Turn off your computer 3 Unplug the power cord 4 Open the system cabinet 5 Remove the cover from an available 3 3V PCI o...

Страница 27: ...t installing SCSI drives see Appendix F About SCSI Determining the Boot Controller Note If your system will contain two or more bootable controllers read this section Otherwise skip this section The I...

Страница 28: ...ombination of performance and redundancy on a minimum of three drives Because RAID 5 uses parity it is the safest and most recoverable of all RAID levels What if I prefer a different RAID level That s...

Страница 29: ...ization all data is deleted from the disk Before proceeding back up any data you want to keep 8 Press Y The selected drives are initialized then the ACU Menu is displayed again 9 Highlight Create Arra...

Страница 30: ...l the driver as described in Chapter 3 Using the Installation CD Note You cannot create the RAID using a CD drive connected to the RAID controller To build a bootable RAID 5 array using the installati...

Страница 31: ...in your array Each drive you select is marked with a check 10 Click Next 11 Type the name you want to assign to the RAID 5 you are creating then click Apply The system creates the array The display re...

Страница 32: ...er In this Chapter Overview of the Driver Installation Process 3 2 Creating a Driver Disk 3 2 Installing the Windows Driver 3 3 Installing the Linux Module 3 5 Installing the Unix Driver 3 6 Installin...

Страница 33: ...during driver installation See Appendix E for a summary of the various RAID levels Note If you don t like your initial RAID level selection you can change it later using Array Level Migration See page...

Страница 34: ...emove and label the driver disk Now that you have created your driver disk proceed with the appropriate driver installation procedure Installing the Windows Driver This section contains the following...

Страница 35: ...en instructions to complete the installation Installing the Driver in an Existing Windows System To install the driver in an existing Windows system 1 Install and configure the controller and hard dis...

Страница 36: ...ler and hard disk drives as described on page 2 2 2 Create the bootable array as described on page 2 4 3 Create the driver disk as described on page 3 2 When finished remove the driver disk 4 Insert t...

Страница 37: ...nixWare and OpenUNIX OpenServer This section contains procedures for installing the driver in OpenServer systems Installing the Driver When You Install OpenServer To install the driver when installing...

Страница 38: ...Create the driver disk as described on page 3 2 When finished remove the driver disk 3 Boot the server 4 Insert the driver disk 5 To run the installpkg utility open a terminal window and type the inst...

Страница 39: ...on page 3 2 When finished remove the driver disk 4 Insert the Unix installation CD and start the operating system installation 5 When you see the prompt insert the driver disk select Install HBA disk...

Страница 40: ...etWare To install the driver when installing NetWare 1 Install and configure the controller and hard disk drives as described on page 2 2 2 Create the driver disk as described on page 3 2 When finishe...

Страница 41: ...ed drivers From the lower window menu select Continue then press Enter Note If the driver installation process fails the server console is displayed so you can see the cause of the failure Now that yo...

Страница 42: ...ompted to select an additional driver select No 17 Press Esc to exit the Nwconfig utility 18 Create arrays using the ICP RAID Configuration utility see Using the ACU on page A 2 or remotely using ICP...

Страница 43: ...cing commas between command line options is optional To modify the startup ncf file 1 At the server console prompt type load nwconfig and press Enter 2 Select the NCF File Options menu then press Ente...

Страница 44: ...the computer and use the BIOS utility Note You need administrator or root privileges to install ICP Storage Manager For details on verifying privileges refer to your operating system documentation Ins...

Страница 45: ...in your Windows Control Panel To install ICP Storage Manager 1 Insert the controller installation CD and wait for the Autorun executable to start the installation If this does not occur browse the CD...

Страница 46: ...ICP Storage Manager type the rpm erase StorMan command For the latest on ICP s support of Linux visit www icp vortex com To install ICP Storage Manager 1 Insert the controller installation CD 2 Mount...

Страница 47: ...escogroup com Release Supplement 5 06a is helpful but not required If a previous version of ICP Storage Manager is installed you must remove it before upgrading Any customization files you created whe...

Страница 48: ...load these visit www thescogroup com If a previous version of ICP Storage Manager is installed you must remove it before upgrading Any customization files you created when you used the previous versio...

Страница 49: ...ollowing line to the etc inittab and etc conf init d kernel files nfra 12346 once sh opt RaidMan RaidAgnt sh Installing ICP Storage Manager on NetWare Notes With NetWare ICP Storage Manager can be use...

Страница 50: ...tallation Starting ICP Storage Manager Note You need root privileges to run ICP Storage Manager To start ICP Storage Manager use the following procedures for your operating system Windows Operating Sy...

Страница 51: ...or the Administrator or an Administrative User on the system The Administrative User is any member of the local Administrators group which can in a Domain configuration include Domain Administrators U...

Страница 52: ...dministrator Logging in as an Administrator allows you to view and modify the RAID configuration You can create and delete logical drives verify logical drives perform migrations and add and remove ho...

Страница 53: ...press Enter sh RaidMan sh NetWare Operating System To start ICP Storage Manager on NetWare type the LOAD RAIDMAN command Logging into Remote Systems To log into a remote system 1 From the menu bar of...

Страница 54: ...anager 3 For Username enter admin 4 For Password enter ICP Note The username and password are case sensitive When you are logged in for the first time you can add new accounts and change account passw...

Страница 55: ...hange and manage arrays For more details on using ICP Storage Manager refer to its embedded online Help system Features You can use ICP Storage Manager to Create and delete arrays Verify arrays Migrat...

Страница 56: ...administer and monitor controllers that are installed locally or remotely in your servers or external storage Fine tune controller settings for optimal performance Note Some of these features may not...

Страница 57: ...r Indicators next to the controller name report status of the fan and temperature modules on SAF TE enclosure management devices and other devices that monitor these conditions The indicator colors ar...

Страница 58: ...capacity A small segment on each drive is reserved for the RAID signature this area is indicated by a gray cap at the end of each bar Note A drive shaded in light blue is not part of any disk group D...

Страница 59: ...click a logical device in the Logical devices view the physical drives that make up the logical device are highlighted in the Physical devices view and vice versa When you click a hotspare the logica...

Страница 60: ...scan drives Also available as a stand alone DOS utility as described in Appendix B ACU for DOS SCSISelect Used to change device and controller settings Disk Utilities Used to format or verify media To...

Страница 61: ...ther menu To return to the previous menu at any time press Esc The following sections detail each of the ICP RAID Configuration utility menu options Using the ACU The Array Configuration Utility ACU a...

Страница 62: ...for the new array then press Insert To deselect a disk highlight the disk then press Delete ACU displays the largest usable space available for each disk You can use available space from multiple dis...

Страница 63: ...and select MB megabytes GB gigabytes or TB terabytes from the drop down list If the available space from the selected partitions is greater than the size you specify the remaining space can be used in...

Страница 64: ...t Manage Arrays 2 From the List of Arrays dialog box select the array you want to view then press Enter To view properties related to the array s physical disks RAID 0 1 5 Single Level Arrays View the...

Страница 65: ...ld verify or rebuild process You may need to change the system BIOS to modify the boot order For more information refer to the system documentation You can make an array bootable so that the system bo...

Страница 66: ...hotspare The specified drive is displayed in the Assigned Hotspares drives list 4 Press Enter to save the hotspare assignment 5 If you are finished managing hotspares press Y for yes when prompted to...

Страница 67: ...ered array normally 00 in the List of Arrays dialog box For information on determining which disks are associated with a particular array see Viewing Array Properties on page A 5 To initialize drives...

Страница 68: ...pted to access the ICP RAID Configuration utility 2 If multiple controllers are installed select the controller you want to configure then press Enter 3 From the ICP RAID Configuration utility menu se...

Страница 69: ...roller to act as the boot device Automatic Failover Enabled All When Enabled the controller automatically rebuilds an array when the failed drive is replaced When disabled the array must be rebuilt ma...

Страница 70: ...Enabled attached physical devices are displayed during system POST Displaying the devices adds a few seconds to the overall POST time CD ROMBoot Support Enabled SCSI only When Enabled the system can...

Страница 71: ...ighest priority on the SCSI channel SCSI Parity Checking Enabled Determines whether the controller verifies the accuracy of data transfer on the SCSI channel You should only disable SCSI Parity Checki...

Страница 72: ...Initiate Wide Negotiation is set to Yes and 16 bit devices are attached Initiate Wide Negotiation has no effect with 8 bit devices Enable Disconnection Yes Determines whether the SCSI channel allows...

Страница 73: ...t Disk Utilities 4 Select the desired disk then press Enter Choose either Format Disk or Verify Disk Media Format Disk The functionality depends on the controller type as described below SATA Controll...

Страница 74: ...so the log is cleared when the system is restarted To access the event log 1 Restart the computer then press Ctrl A when prompted to access the ICP RAID Configuration utility 2 If multiple controllers...

Страница 75: ...the following procedure 1 To find the ACU executable acu exe browse to the folder on the controller installation CD that relates to your controller model 2 Insert a bootable floppy disk and copy acu...

Страница 76: ...ts to the DOS command line 3 Type ACU on the command line then press Enter To select ACU options highlight the options using the arrow keys and the Tab key then press Enter You can select from the fol...

Страница 77: ...he same configuration by running the ACU in playback mode P switch with the resulting script For more details see Record Mode on page B 4 Note The ACU exits with an error if you do not include either...

Страница 78: ...ingle HotspareDrives list for all hotspares assigned to the RAID 10 For details see the Method Keyword on page B 9 Record Mode There are two methods available for creating a script file Use Record Mod...

Страница 79: ...file When recording an array the ACU uses the default Wait setting equivalent to Wait Yes unless you edit the script file and include Wait No in the array s definition block For details see the Wait...

Страница 80: ...the hotspares to assign to the array See page B 8 InitializeAll No No Indicates whether to initialize all the drives connected to the controller See page B 8 Method Yes Build Indicates the method Buil...

Страница 81: ...value A drive is identified by its channel number ID target and LUN separated by colons for example 0 0 0 or 0 1 0 Separate multiple drive identifiers with commas Prior to creating any new arrays the...

Страница 82: ...e space on the specified hotspares is sufficient to serve as failover for the array When assigning hotspares to a multilevel array HotspareDrives assigns all the hotspares in the list to all arrays wi...

Страница 83: ...xamples Type Volume Type RAID1 Method Keyword Method is an optional keyword indicating which method to use when creating a redundant RAID 1 5 and 10 array Possible values are Build the default Perform...

Страница 84: ...an integer or a decimal number followed by the unit keyword MB megabytes GB gigabytes or TB terabytes Note A unit keyword is required with a numeric size value If no unit keyword is specified the ACU...

Страница 85: ...rwise the ACU waits by default Note If the host is powered off before the build verify or clear process completes and is then restarted the process resumes without any user intervention Examples Wait...

Страница 86: ...ou can include multiple channel definition blocks within a script file each beginning with a Channel keyword and value Example Channel 0 ControllerID Keyword ConrollerID is an optional keyword to chan...

Страница 87: ...page B 3 for the list of valid command line switches 5 Unable to read system configuration The ACU was unable to get the configuration information from the specified controller 6 No drives detected Th...

Страница 88: ...Create a 500MB volume labeled MySystem Array MySystem Type Volume Size 500MB Drives 0 0 0 End Create a 2GB mirror labeled MyMirror Array MyMirror Type RAID1 Size 2GB Use drives 1 and 2 Drives 0 1 0 0...

Страница 89: ...ee drive RAID 5 Create a maximum size RAID 5 labeled MyData Array MyData Type RAID5 Size Maximum Use the maximum stripe size StripeSize 64 Clear the array don t build verify it Method Clear Don t wait...

Страница 90: ...accidentally damaging the controller s flash contents Still you must be careful to use the IFU correctly otherwise you could render the controller inoperable Note If you are updating multiple control...

Страница 91: ...y Reads the contents of a controller s flash components and compares it to the contents of the specified UFI file Version Displays version information about a controller s flash components List Lists...

Страница 92: ...file you usually get the most recent version of IFU To create the firmware floppy disks 1 Create a bootable MS DOS floppy disk and copy the following files to this disk IFU exe AAxxx01 ufi where xxx...

Страница 93: ...DOS floppy disk or from a DOS partition on a bootable drive You can use the drive connected to the controller you are updating Note When updating the controller flash I O is not possible Before you ca...

Страница 94: ...command switches Examples The following are examples of commands you can use to display help information A IFU HELP A IFU LIST The LIST command displays the IFU supported controllers installed on you...

Страница 95: ...ault is 0 which means that if the computer has multiple controllers the IFU defaults to controller 0 unless you specify otherwise You can specify a single controller ID for example C 0 multiple IDs se...

Страница 96: ...he computer following an UPDATE command Command Syntax The command syntax for the UPDATE command is as follows IFU UPDATE C Controller ID D UFI File Path Command Switches For details on the C and D sw...

Страница 97: ...d D switches see the SAVE command on page C 6 Example The following example shows a typical system response after a verify command has been performed A IFU VERIFY C 0 ICP Flash Utility V4 0 0 B5749 c...

Страница 98: ...puter 3 Insert the bootable disk that contains the IFU utility 4 Turn on the computer 5 Enter the system setup utility and verify that your computer is set up to boot from the bootable disk 6 If you h...

Страница 99: ...te C 0 2 3 c Updating the Flash on All Controllers Simultaneously To flash the firmware on all controllers type ifu update C all Note The UFI file identifies the appropriate controllers so you do not...

Страница 100: ...D 1 D Installing and Using the Command Line Utility In this Appendix Introduction D 2 Installing ARCCONF D 2 Starting ARCCONF D 5 Using ARCCONF D 5...

Страница 101: ...settings Copy configurations from one computer to another Recover from a failed physical drive and rebuild an affected logical drive Isolate problems and determine their causes This utility is provid...

Страница 102: ...nstalling ARCCONF for NetWare Complete the following steps to install ARCCONF for NetWare 1 Start the computer 2 Exit to the console screen From the console prompt mount the CD drive Type the followin...

Страница 103: ...is the specific device file for the CD block device and mountpoint is the specific mount point on the Linux system 4 Copy ARCCONF to your hard disk Type the following command and press Enter cp mount...

Страница 104: ...if your command has failed When you run ARCCONF in batch mode you run a script At the end of your batch file you will either receive a zero return code indicating SUCCESS or a non zero return code in...

Страница 105: ...includes the type of operation status logical drive number logical drive size and percentage of the operation completed Note GETSTATUS reports currently active operations for both ARCCONF commands and...

Страница 106: ...opyback attempts to keep data in the original drive slots after a logical drive is rebuilt ARCCONF COPYBACK controller ON OFF where controller is the controller number ON enables and OFF disables the...

Страница 107: ...ZE indicates the logical drive stripe size in KB The default is 64KB size is one of the following values MAX indicates that you want to use all available space on the disk Desired size in MB raidlevel...

Страница 108: ...ive identifier NOPROMPT is an optional parameter to suppress user prompt Example ARCCONF DELETE 1 LOGICALDRIVE 1 NOPROMPT Return Values SUCCESS 0x00 Successful termination FAILURE 0x01 Bad arguments o...

Страница 109: ...a snaphot STOP logical drive Breaks the snapshot of a logical drive BACKUP logical drive logical drive Copies the entire first drive to the second logical drive After flashcopy is complete the backed...

Страница 110: ...driver and firmware versions Logical drive status RAID level and size Physical drive type device ID presence of PFA Physical drive state ARCCONF GETCONFIG controller type where controller is the cont...

Страница 111: ...roller is the controller number type is the type of log to retrieve DEVICE DEAD EVENT UART Example ARCCONF GETLOGS 1 DEVICE Return Values SUCCESS 0x00 Indicates the command completed successfully FAIL...

Страница 112: ...ted successfully FAILURE 0x01 Indicates the command failed romupdate Allows new firmware and BIOS to be flashed to the controller A reboot is required for the new firmware to take effect Note This fun...

Страница 113: ...essfully FAILURE 0x01 Indicates the command failed setstate Changes the state of a physical drive from its current state to the designated state Hotspare ARCCONF SETSTATE controller Channel Device HSP...

Страница 114: ...able below shows the number of drives needed and supported for your controller according to RAID level Note Select RAID drives of equal capacity and performance Otherwise the RAID is limited in capaci...

Страница 115: ...iping scheme creates no redundancy to protect the data However because the drives share load equally RAID 0 provides the best read and write performance of any RAID type An example of a RAID 0 array i...

Страница 116: ...controller generates parity every time data is written to the array which is distributed in stripes across all the drives The total parity occupies the equivalent of one drive In the event of a drive...

Страница 117: ...is good because the load is spread equally across all the drives RAID 10 This dual level RAID type is created by using two or more equal sized RAID 1 arrays to create a RAID 0 Both read and write perf...

Страница 118: ...el RAID 5s provides efficient redundancy Parity B0 Data 7 Data 11 Parity B3 Drive Data 4 Data 5 RAID 5 RAID 5 Data 3 Parity B1 Data 10 Data 15 Drive Data 2 Data 6 Parity B2 Data 14 Drive Parity A0 Dat...

Страница 119: ...educed ICP does not recommend using SCSI devices older than Ultra2 Caution HVD devices are not supported and will damage your controller See Mixing SE Devices with LVD Devices on page F 3 for more det...

Страница 120: ...losure requires it For details refer to the enclosure User s Guide The RAID controller ID can be changed to any ID from 0 through 7 using the ICP RAID Configuration utility Note Do not change the cont...

Страница 121: ...ces Support 4 Press Esc until the Reboot window appears 5 Restart the computer Mixing SE Devices with LVD Devices If you are mixing SE devices with LVD devices Ensure proper termination by using a cab...

Страница 122: ...G 1 G Controller Reset Procedures In this Appendix This Appendix describes the procedures that you can use to reset your controller in the event it becomes inoperable Mode 0 Flash G 2...

Страница 123: ...ee Appendix H Controller Illustrations Create a bootable floppy disk To create a bootable floppy disk to use when Mode 0 flashing your firmware 1 Download the firmware version currently installed on y...

Страница 124: ...Procedures 5 Insert the appropriate disk when prompted 6 When the flash is complete power off the computer and remove the jumper 7 Power on the computer and verify that the controller completes the bo...

Страница 125: ...ations This Appendix shows the ICP RAID controllers ICP9014RO SCSI RAID Component Layout Battery connector External VHDCI SCSI connector Mounting bracket Internal high density SCSI connector PCI X con...

Страница 126: ...ED Condition Indication At power up several blinks Controller is powering up After power up periodic blinking Controller is idle Solid yellow light Controller is sending or receiving data on the SCSI...

Страница 127: ...Requirements Current Requirements Ambient temperature without battery backup module 0 C to 50 C Relative humidity 10 to 90 noncondensing Altitude up to 3 000 meters Ripple and noise 50 mV peak to pea...

Страница 128: ...ncy or enhanced I O performance See also container volume spanned volume and RAID signature Also known as a container array initialization See initialize available space partition Unused space on an i...

Страница 129: ...that serves as intermediate storage for data that is read from or written to drives capacity Total usable space available in megabytes or gigabytes channel Any path or bus used for the transfer of dat...

Страница 130: ...iled The data is intact but redundancy has been compromised Any further failure would cause the array to fail and result in data loss dirty data Data that has been written to a cache but which has not...

Страница 131: ...d multiple drive failures A failed array is inaccessible and data is lost failed partition A partition that is no longer usable by an array because it is either logically bad and therefore no longer n...

Страница 132: ...as a replacement for one of the other drives in the array in the event of a failure I impacted An impacted array is one which has been created but for some reason the initial build operation did not c...

Страница 133: ...ystem as if it were a single storage unit low level format Process performed by the drive firmware that completely removes the file system from the disk M migration See reconfiguration mirrored array...

Страница 134: ...th no on going background controller activity All data written to an array that has been quick initialized is protected R RAID Redundant Array of Independent Disks alternative definition Redundant Arr...

Страница 135: ...lable segments A RAID segment is part of a logical device it can be used by only one logical device at a time Available segments can be used to define a new logical device If the disk is not part of a...

Страница 136: ...triped array striped array See RAID signature and RAID 5 on page E 3 T task An operation that occurs only on the RAID controller asynchronous to all other operations for example initializing a disk or...

Страница 137: ...s keyword B 8 Method keyword B 9 properties B 6 ReadCache keyword B 10 Size keyword B 10 StripeSize keyword B 6 Type keyword B 11 Wait keyword B 11 WriteCache keyword B 11 array level migration 1 7 Ar...

Страница 138: ...nition block B 7 initializing drives B 8 E ECC cache support 1 12 electrostatic discharge 1 13 Enable disconnection A 13 End property array definition block B 7 B 12 channel definition block B 12 envi...

Страница 139: ...n Win dows 4 2 Linux module 3 5 NetWare 3 9 OpenServer 3 6 OpenUnix 3 8 Unix driver 3 6 UnixWare 3 8 Windows driver 3 3 installing Adobe Acrobat Reader 1 11 installing controller and drives 2 2 K kit...

Страница 140: ...1 3 hardware 1 3 system 1 3 Ripple and Noise I 1 romupdate ARCCONF D 13 S safety information 1 13 SAVE command C 6 script files syntax B 5 comments in B 5 script mode B 3 SCSI device configuration A...

Страница 141: ...r 4 5 V VERIFY command C 8 Verify disk media A 14 VERSION command C 8 Voltage requirement I 1 W Wait property array definition block B 11 Wide negotiation A 13 Windows ARCCONF starting D 5 installing...

Страница 142: ...me GmbH Konrad Zuse Str 9 74172 Neckarsulm Germany 2005 ICP vortex All rights reserved ICP and the ICP logo are trademarks of ICP vortex which may be registered in some jurisdictions Part Number CDP 0...

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