Adaptec 2020SA User Guide
Adaptec 2020SA - Serial ATA RAID Storage Controller Manual
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- Adaptec 2020SA | User Guide - Page 1
INSTALLATION AND USER'S GUIDE ADAPTEC SATA AND SCSI RAID CONTROLLERS - Adaptec 2020SA | User Guide - Page 2
, Inc., 691 South Milpitas Blvd., Milpitas, CA 95035. Trademarks Adaptec, the Adaptec logo, and Adaptec Storage Manager are trademarks of Adaptec, Inc., which may be registered in some jurisdictions. Windows 2000 and Windows XP are trademarks of Microsoft Corporation in the US and other countries - Adaptec 2020SA | User Guide - Page 3
don't lose it. Support Options ■ Search the Adaptec Support Knowledgebase (ASK) at ask.adaptec.com for articles, troubleshooting tips, and frequently asked questions for your product. ■ For support via Email, submit your question to Adaptec's Technical Support Specialists at ask.adaptec.com. North - Adaptec 2020SA | User Guide - Page 4
, call +49 89 43 66 55 33, Monday to Friday, 9:00 to 17:00, CET. For support via e-mail, submit your question to Adaptec's Technical Support Specialists at ask-fr.adaptec.com. ■ English: To speak with a Technical Support Specialist, call +49 89 43 66 55 44, Monday to Friday, 9:00 to 17:00, GMT - Adaptec 2020SA | User Guide - Page 5
, provided it is delivered at the purchaser's expense to an authorized Adaptec service facility or to Adaptec. 2. Repair or replacement parts or products will be furnished on an TO YOU. 8. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. - Adaptec 2020SA | User Guide - Page 6
if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. However, undesired operation. Adaptec, Inc. ASR-2020ZCR/ASR-2025ZCR/ASR-2120S/ ASR-2130SLP/ASR-2200S/ASR-2230SLP/ AAR-2020SA/AAR-2025SA/AAR Spectrum Management Agency. vi - Adaptec 2020SA | User Guide - Page 7
) This equipment complies to class B Information Technology equipment based on VCCI (Voluntary Control Council for Interface). This equipment is designed for home use but it may causes radio frequency interference problem if used too near to a television or radio. Please handle it correctly per - Adaptec 2020SA | User Guide - Page 8
Electrostatic Discharge 1-16 2 Installing the Controller and Drives SATA Drives and Cables 2-2 SCSI Drives and Cables 2-2 Installing the Controller and Drives 2-3 Determining the Boot Controller 2-4 Creating a Bootable RAID 5 Array 2-5 Using the Adaptec RAID Configuration (ARC) Utility 2-6 Using the - Adaptec 2020SA | User Guide - Page 9
Loading NetWare Drivers During Server Restart 3-11 4 Installing and Starting Adaptec Storage Manager Installing Adaptec Storage Manager on Windows 4-2 Installing Adaptec Storage Manager on Linux 4-3 Installing Adaptec Storage Manager on OpenServer 4-4 Installing Adaptec Storage Manager on UnixWare - Adaptec 2020SA | User Guide - Page 10
Adaptec RAID Configuration Utility (ARC) Overview A-1 Using the ACU A-2 Creating Arrays A-2 Managing Arrays A-4 Initializing Drives A-7 Rescanning Drives A-8 Using SATASelect and SCSISelect A-9 Controller Configuration Options A-10 SATA the Script File Manually B-5 Array Definition Block Keywords - Adaptec 2020SA | User Guide - Page 11
and Closing a Controller D-5 Managing Failover Options and Hotspares D-8 Displaying Controller Information D-9 Displaying Disk Information D-11 Displaying Array Information D-12 CLI Command Dictionary D-15 General Control Commands D-15 Container (Array) Commands D-16 Controller Commands D-25 Disk - Adaptec 2020SA | User Guide - Page 12
Volume E-2 RAID 0 E-2 RAID 1 E-2 RAID 5 E-3 RAID 10 E-4 RAID 50 E-5 F About SCSI SCSI Device Support F-1 Setting SCSI IDs F-2 Changing SCSI Termination on the Controller F-2 Enabling CD Drive Support F-2 Mixing SE Devices with LVD Devices F-3 G Controller Illustrations H Specifications Glossary xii - Adaptec 2020SA | User Guide - Page 13
Chapter... Kit Contents Overview of the Installation Process System Requirements and Compatibility Controller Features About the Documentation Using the Adaptec Installation CD Installing the Adobe Acrobat Reader Software Tools Overview Safety Information 1 1-2 1-3 1-3 1-5 1-11 1-12 1-14 1-15 1-15 - Adaptec 2020SA | User Guide - Page 14
controller model: Adaptec Model Cables Supplied 2020ZCR/2020SA 2025ZCR/2025SA 2120S/2200S/2130SLP/ 2230SLP 2410SA 2810SA 21610SA None None 1 internal LVD SCSI cable1 4 SATA cables 8 SATA cables 16 SATA cables 1. Features a multimode terminator. All these SCSI RAID controllers support multimode - Adaptec 2020SA | User Guide - Page 15
Bootable RAID 5 Array on page 2-5. b Install the controller driver at the beginning of the operating system installation, as described in Chapter 3. c Install Adaptec Storage Manager as described in Chapter 4. d View, manage, and build additional arrays, as needed, using Adaptec Storage Manager. For - Adaptec 2020SA | User Guide - Page 16
the PCI Local Bus Specification, Revision 2.2 and higher. - Supports multifunction devices where one of the devices is a PCI bridge. - Provides large memory-mapped address ranges. Refer to the Readme file on the Adaptec installation CD for additional motherboard compatibility information. ■ At least - Adaptec 2020SA | User Guide - Page 17
on Adaptec's support of Linux, or to download driver sources, visit www.adaptec.com. ■ SCO- - UnixWare 7.1.x/OpenUNIX 8 (Base and Business Editions) - OpenServer 5.06 and 5.07 ■ Novell-NetWare 6.x Controller Features This section contains the following subsections: ■ Features Overview ■ SATA RAID - Adaptec 2020SA | User Guide - Page 18
messaging for alphanumeric pagers. ■ All except Adaptec 2020SA/2020ZCR-Optional battery backup module available. For details, see page 1-9. SATA RAID Controller Features Summary The following tables summarizes the features of the Adaptec SATA RAID controllers Form factor PCI compatibility PCI bus - Adaptec 2020SA | User Guide - Page 19
tables summarizes the features of the Adaptec SCSI RAID controllers. For more on SCSI, see RAID levels Simple volume Spanned volume Hotspares Automatic failover Audible alarm Battery module option4 Adaptec 2020ZCR Lowprofile PCI/ PCI-X 64-bit Adaptec 2025ZCR ZCR SO-DIMM PCI/ PCI-X 64-bit Adaptec - Adaptec 2020SA | User Guide - Page 20
Online Capacity Expansion These Adaptec RAID controllers support Online Capacity Expansion (OCE) of existing arrays for all operating systems. With OCE, you can add new members to increase the capacity of an array without losing any data. For details, refer to the Adaptec Storage Manager online Help - Adaptec 2020SA | User Guide - Page 21
from one array type to another, refer to the Adaptec Storage Manager online Help. Drive Enclosures - SCSI only Adaptec SCSI RAID controllers support drive enclosures that include SAF-TE enclosure management hardware per the SAF-TE specification. Hotspares Adaptec RAID controllers support hotspares - Adaptec 2020SA | User Guide - Page 22
alarm is silenced using SATASelect or SCSISelect. For details, see the Alarm Control option on page A-11 or Adaptec Storage Manager online Help. Automatic Failover Adaptec RAID controllers can automatically rebuild an array when a failed drive is replaced with a new drive. This feature applies only - Adaptec 2020SA | User Guide - Page 23
the Adaptec RAID controllers includes: ■ Quick Installation Guide-Printed guide that provides summarized instructions on how to install and create a bootable array. ■ Readme text file-Contains additional technical information about device compatibility, operating system support, and drivers. (For - Adaptec 2020SA | User Guide - Page 24
Reader on page 1-14. For details on using the installation CD, see Using the Adaptec Installation CD on page 1-12. Using the Adaptec Installation CD The Adaptec RAID Installation CD contains software, device drivers, and documentation. You can use the CD the following ways: ■ Booting from the CD - Adaptec 2020SA | User Guide - Page 25
options: ■ Install Adaptec Storage Manager-Installs the management software. For details, see Adaptec RAID products and software. ■ View Documentation-Provides quick access to the PDF files listed in the table on page 1-12. ■ Create Driver Diskette-Allows you to create a driver disk for any supported - Adaptec 2020SA | User Guide - Page 26
on the root to enter. ■ Linux-Acrobat Reader is located on the Adaptec installation CD at mount-point/packages/Linux/RedHat/apps/adobe. Be sure is located on the installation CD at mount-point/Acrobat_Reader. Note: To download Java Virtual Machine (JVM), visit java.sun.com. ■ NetWare-Acrobat Reader - Adaptec 2020SA | User Guide - Page 27
Introduction Software Tools Overview The Adaptec RAID controller includes the following tools to configure and manage your storage devices: ■ Adaptec Storage Manager-Storage management application with a graphical user interface. Used to create, configure, and manage arrays. For details, see - Adaptec 2020SA | User Guide - Page 28
its bracket or edges only. Avoid touching the printed circuit board or the connectors. ■ When you need to put your controller down, use an antistatic surface such as the bag supplied in your kit. ■ If you plan to return the controller to Adaptec, put it back in its antistatic bag immediately. 1-16 - Adaptec 2020SA | User Guide - Page 29
2 Installing the Controller and Drives In this Chapter... SATA Drives and Cables 2-2 SCSI Drives and Cables 2-2 Installing the Controller and Drives 2-3 Determining the Boot Controller 2-4 Creating a Bootable RAID 5 Array 2-5 2-1 - Adaptec 2020SA | User Guide - Page 30
end to attach to the controller and which end to the drive. ■ All connectors are keyed so that you can insert them in only one direction. ■ Adaptec 2020SA/2025SA only-When connecting SATA cables to the motherboard connectors, make sure that you use the Zero Channel RAID (ZCR) enabled connectors. For - Adaptec 2020SA | User Guide - Page 31
bracket supplied in Adaptec RAID controller kit. To verify the form factor of your controller model, see Controller Features on page specific motherboards. Refer to your motherboard documentation for more information on ZCR support. - Adaptec 2130SLP/2230SLP-Use only a 3.3-V slot. These controllers - Adaptec 2020SA | User Guide - Page 32
in the PCI slot and secure the controller bracket to the chassis. For Adaptec 2020SA/2020ZCR/2025SA/2025ZCR-Insert these controllers in the supported ZCR enabled slot on the motherboard and gently press down until they click into place. They may also be secured using other means available from - Adaptec 2020SA | User Guide - Page 33
to the top of the list. Creating a Bootable RAID 5 Array Note: If you want to install an operating system on a drive or array connected to your Adaptec RAID controller, read this section. Otherwise, skip to installing the driver in your existing operating system, as described in Chapter 3. This - Adaptec 2020SA | User Guide - Page 34
and Drives Using the Adaptec RAID Configuration (ARC) Utility To build a bootable RAID 5 array using ARC: 1 Install the controller and drives, as described in Installing the Controller and Drives on page 2-3. Note: For a RAID 5, you need at least 3 drives. 2 Turn on the computer, then press - Adaptec 2020SA | User Guide - Page 35
restarts. 17 Install the driver as described in Chapter 3. Using the Adaptec Installation CD Note: SCSI only-You cannot create the RAID using a CD drive connected to the RAID controller. To build a bootable RAID 5 array using the Adaptec installation CD: 1 Install the controller and drives, as - Adaptec 2020SA | User Guide - Page 36
Installing the Controller and Drives 3 Insert the Adaptec installation Adaptec Storage Manager. The Adaptec Storage Manager screen appears. 6 Click Create. 7 In the configuration wizard, select Custom. 8 Click the RAID 5 button, then click Next. 9 Click at least three drives to be used in your array - Adaptec 2020SA | User Guide - Page 37
Installing the Controller and Drives 12 When you are ready to continue, close all windows. The Main Menu is active. 13 Click Reboot to restart your system. 14 Remove the Adaptec installation CD. 15 If you want to make the array bootable, do so now. For details, see page A-5. 2-9 - Adaptec 2020SA | User Guide - Page 38
3 Installing the Driver In this Chapter... Overview of the Driver Installation Process 3-2 Creating the Driver Disk 3-2 Installing the Windows Driver 3-3 Installing the Linux Module 3-5 Installing the Unix Driver 3-6 Installing the NetWare Driver 3-9 3-1 - Adaptec 2020SA | User Guide - Page 39
it later using Array Level Migration. For details, see page 1-9 and the Adaptec Storage Manager online Help for details. 4 Read and understand the entire installation procedure. 5 Proceed with the installation. Creating the Driver Disk Note: If you are adding the controller to a Linux system that - Adaptec 2020SA | User Guide - Page 40
Driver 4 Click Create Driver Disk, then select the appropriate operating system. 5 If you selected Linux, controller and hard drives, as described in page 2-3. 2 Create the bootable array, as described on page 2-5. 3 Create the driver disk, as described on page 3-2. When finished, remove the driver - Adaptec 2020SA | User Guide - Page 41
reads the disk. 7 When the Adaptec driver is found, press Enter. Respond to the on-screen instructions to complete the installation. Installing the Driver in an Existing Windows System To install the driver in an existing operating system: 1 Install and configure the controller and hard drives, as - Adaptec 2020SA | User Guide - Page 42
Adaptec's support of Linux, visit www.adaptec.com. Installing the Module When You Install Red Hat To install the module with the operating system during a fresh install: 1 Install and configure the controller and hard drives, as described in page 2-3. 2 Create the bootable array the driver disk, - Adaptec 2020SA | User Guide - Page 43
System To install the module in an existing Red Hat or SuSE Linux system: 1 Insert and mount the Adaptec installation CD. 2 Install the module RPM by typing: rpm -Uvh mount-point/linux/arc/driver/aac1.1.4-2322.rpm 3 Run fdisk, mkfs, and create mount points for any new drives. Installing the Unix - Adaptec 2020SA | User Guide - Page 44
devices created on the RAID controller to the operating system. For details, refer to your OpenServer documentation. 10 Insert and mount the Adaptec installation CD. 11 To enable RAID management software and utilities, type the following commands: cd mount-point/openserv/arc/driver/aacraid/reloc/tmp - Adaptec 2020SA | User Guide - Page 45
during a fresh install: 1 Install and configure the controller and hard drives, as described in page 2-3. 2 Create the bootable array, as described on page 2-5. 3 Create the driver disk, as described on page 3-2. When finished, remove the driver disk. 4 Insert the Unix installation CD and start - Adaptec 2020SA | User Guide - Page 46
press Ctrl+A when prompted to access the ARC utility. Use ARC to create the RAID. For details, see Using the Adaptec RAID Configuration (ARC) Utility on page 2-6. 5 Install and configure a secondary controller, if any. 6 Create the driver disk, as described on page 3-2. When finished, remove the - Adaptec 2020SA | User Guide - Page 47
operating system: 1 Upgrade your NetWare server to the minimum patch level specified by Novell. 2 Make a backup copy of the driver. 3 Create the driver disk, as described on page 3-2. When finished, remove the driver disk. 4 Shutdown the server. 5 Install and configure the Adaptec RAID controller as - Adaptec 2020SA | User Guide - Page 48
on page A-2) or remotely using Adaptec Storage Manager (refer the online Help). Alternatively, you can create arrays using the Command Line Interface (CLI). Refer to the Adaptec Command Line Interface Reference Guide. Now that you have installed the drivers, refer to your NetWare documentation to - Adaptec 2020SA | User Guide - Page 49
is: load [pathname]aacraid.ham slot=number [options] For example, the command to load the driver from the c:\nwserver directory, with the verbose= option ON is: load c:\nwserver\aacraid.ham slot=2 verbose=y Notes: ■ Command line options are not case sensitive. ■ Placing - Adaptec 2020SA | User Guide - Page 50
After you have installed your Adaptec RAID controller and driver, you are ready to install and use Adaptec Storage Manager-a userfriendly graphical user interface that makes it easy for you to create and manage arrays without having to restart the computer and use the BIOS utility. Note: You need - Adaptec 2020SA | User Guide - Page 51
supports up to 16 Adaptec RAID controllers. To install Adaptec Storage Manager: 1 Insert the Adaptec installation CD and wait for the Autorun executable to start the installation. If this does not occur, browse the CD and click Autorun. 2 When the installation wizard starts, follow the instructions - Adaptec 2020SA | User Guide - Page 52
Adaptec Storage Manager on Linux Notes: ■ With Linux, Adaptec Storage Manager supports up to 12 Adaptec RAID controllers. ■ Adaptec Storage Manager includes the Java Runtime Environment (JRE). ■ If a previous version of Adaptec Storage Manager is installed, you must remove it before upgrading - Adaptec 2020SA | User Guide - Page 53
Adaptec Storage Manager Installing Adaptec Storage Manager on OpenServer Notes: ■ With OpenServer, Adaptec Storage Manager supports up to 12 Adaptec RAID controllers. ■ You need either the Java Development Kit (JDK) for SCO or the Java Runtime Environment (JRE) for SCO, version 1.3.1. To download - Adaptec 2020SA | User Guide - Page 54
UnixWare and OpenUNIX, Adaptec Storage Manager supports up to 12 Adaptec RAID controllers. ■ You need root privileges to install Adaptec Storage Manager. ■ You need either the Java Development Kit (JDK) for SCO or the Java Runtime Environment (JRE) for SCO, version 1.3.1. To download these, visit - Adaptec 2020SA | User Guide - Page 55
and /etc/conf/init.d/kernel files: nfra:12346:once:sh /opt/RaidMan/RaidAgnt.sh Installing Adaptec Storage Manager on NetWare Notes: ■ With NetWare, Adaptec Storage Manager supports up to 16 Adaptec RAID controllers. ■ You need the latest Support Pack for your operating system so you can run the - Adaptec 2020SA | User Guide - Page 56
adptcd_v2_01 The installation program starts. 4 Follow the instructions on the screen to complete the installation. Starting Adaptec Storage Manager Note: You need root privileges to run Adaptec Storage Manager. To start Adaptec Storage Manager, use the following procedures for your operating system - Adaptec 2020SA | User Guide - Page 57
Installing and Starting Adaptec Storage Manager Notes: Your Adaptec Storage Manager permissions will vary according to your OS permisssions: ■ Administrator: The Administrator log in allows you to view and modify the RAID configuration. You can create and delete logical drives, verify logical drives - Adaptec 2020SA | User Guide - Page 58
Adaptec Storage Manager Linux Operating Systems 1 Change to the Adaptec Storage Manager installation directory by typing: cd /usr/StorMan. 2 Type the following command and press Enter: sh StorMan.sh 3 First the application flash screen will appear briefly , and then the Adaptec Storage Manager - Adaptec 2020SA | User Guide - Page 59
operating system, type the LOAD RAIDMAN command. Logging into Remote Systems To log into a remote system: 1 Click Remote > Add Remote System. Adaptec Storage Manager displays the login screen, as shown below. 2 Type the IP address. The default System startup port number, 34571, is supplied for you - Adaptec 2020SA | User Guide - Page 60
Installing and Starting Adaptec Storage Manager 3 For Username, type admin 4 For Password, type adaptec Note: The username and password are case sensitive. Once you are logged in for the first time, you can add new accounts and change account passwords. For details, refer to the online Help. 4-11 - Adaptec 2020SA | User Guide - Page 61
that you use to easily create and manage arrays. For more details on using Adaptec Storage Manager to set up and manage arrays, refer to the online Help. Features You can use Adaptec Storage Manager to: ■ Create and delete arrays ■ Verify arrays ■ Migrate arrays ■ Add and remove hotspares 5-1 - Adaptec 2020SA | User Guide - Page 62
, product documentation, or online Help for supported features. Overview Adaptec Storage Manager provides an expandable tree view of the systems and controllers you are managing. You can perform most configuration and management tasks by selecting a controller from the tree and working with related - Adaptec 2020SA | User Guide - Page 63
Understanding Adaptec Storage Manager Using the buttons in enclosures, and other physical devices attached to the controller. The devices are organized numerically. The display for physical devices, including the number of logical devices, the RAID level of each device, and whether a logical device is - Adaptec 2020SA | User Guide - Page 64
each drive, regardless of 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 or expanded view of the system configuration. Initially, Adaptec Storage Manager displays a collapsed textual view of the configuration - Adaptec 2020SA | User Guide - Page 65
Understanding Adaptec Storage Manager Component Views When you click a physical or logical device in the device views, the related components highlighted. ■ In the graphical views, if the logical device uses only part of the available storage, only those segments are highlighted (in dark blue). 5-5 - Adaptec 2020SA | User Guide - Page 66
the Event Log A-1 A-2 A-9 A-14 A-15 Overview The Adaptec RAID Configuration (ARC) utility is part of the controller BIOS. The utility includes: ■ Array Configuration Utility (ACU)-Used to create, configure, and manage arrays, and make arrays bootable. Also used to initialize and rescan drives - Adaptec 2020SA | User Guide - Page 67
Adaptec RAID Configuration Utility (ARC) The Adaptec RAID Controller menu presents the following options: ■ Array Configuration Utility ■ SATASelect Creating Arrays ■ Managing Arrays ■ Initializing Drives ■ Rescanning Drives Creating Arrays To create an array: 1 For systems with RAID enclosures- - Adaptec 2020SA | User Guide - Page 68
Adaptec Storage Manager to assign properties. To assign properties to the new array: 1 In the Array Properties menu, select an array type, then press Enter. The display shows only the array types available for the number of drives selected. The supported array types (RAID levels) for your controller - Adaptec 2020SA | User Guide - Page 69
Adaptec RAID Configuration Utility (ARC) 3 Enter the desired array size. The maximum array size available based on the partitions you selected is displayed automatically. If you want to designate a different array size, type the desired array size and select MB (megabytes), GB (gigabytes), or TB ( - Adaptec 2020SA | User Guide - Page 70
disabling the BIOS may be helpful. ■ The controller always uses the lowest numbered array as its bootable array. If you delete Array 00, the next lowest numbered array becomes the bootable array. ■ You cannot make a non-00 array bootable while the array is in a build/verify or rebuild process. ■ You - Adaptec 2020SA | User Guide - Page 71
Adaptec RAID Configuration Utility (ARC) You can make an array bootable so that the system boots from the array instead of from a stand-alone (single) disk. To make an array bootable: 1 From the ACU main menu, select Manage Arrays. 2 Select the array you want to make bootable, then press Ctrl+B. - Adaptec 2020SA | User Guide - Page 72
Adaptec RAID Configuration Utility (ARC) 3 Select a drive, then press Insert to assign the drive as a 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 for creating a new array, or it appears - Adaptec 2020SA | User Guide - Page 73
Adaptec RAID Configuration Utility (ARC) To initialize drives: 1 Restart the computer, then press Ctrl+A when prompted to access the ARC utility. 2 From the ARC menu, select Array Drives To rescan the drives connected to the controller: 1 Restart the computer, then press Ctrl+A when prompted to - Adaptec 2020SA | User Guide - Page 74
Adaptec RAID Configuration Utility (ARC) Using SATASelect and SCSISelect The SATASelect and SCSISelect utilities allow you to change controller and device settings without opening the computer cabinet or handling the controller. To access these utilities: 1 Restart the computer, then press Ctrl+A - Adaptec 2020SA | User Guide - Page 75
Adaptec RAID Configuration Utility (ARC) Controller Configuration Options The Controller Configuration options are described in the table below. Option Drives Write Cache Runtime BIOS Automatic Failover Array Background Consistency Check BBS Support Default Drive's Default Enabled Enabled - Adaptec 2020SA | User Guide - Page 76
Adaptec RAID Configuration Utility (ARC) Option Default Models Affected Description Array-based BBS Support Disabled All When Enabled in systems that support BBS, the controller presents attached bootable devices up to the host system's BIOS for boot device selection. This is relevant for - Adaptec 2020SA | User Guide - Page 77
Adaptec RAID Configuration Utility (ARC) SATA Configuration Options The SATA Configuration options are described in the table below. Option Default Write Cache Yes Models Affected All SATA controllers Description When Enabled, write cache is enabled, providing maximum performance. Caution-When - Adaptec 2020SA | User Guide - Page 78
Adaptec RAID Configuration Utility (ARC) SCSI Device Configuration Options The SCSI device settings allow you to configure certain parameters for each device on the SCSI channel. To configure settings for a specific transfer rate that the SCSI channel supports. The maximum effective data transfer - Adaptec 2020SA | User Guide - Page 79
Adaptec RAID Configuration Utility (ARC) Using the Disk Utilities The disk utilities allow you to low-level format or verify the media of the hard drives. To access the disk utilities: 1 Restart the computer, then press Ctrl+A when prompted to access the ARC utility. 2 If multiple controllers are - Adaptec 2020SA | User Guide - Page 80
Adaptec RAID Configuration Utility (ARC) Viewing the Event Log The BIOS-based event log stores all firmware events (configuration changes, array creation, boot activity, and so on). The event log has a fixed size. Once full, old events are deleted as new events are stored. Also, the - Adaptec 2020SA | User Guide - Page 81
to your controller model. Adaptec Model 2020ZCR 2020SA 2025ZCR 2025SA 2130SLP 2120S 21610SA Path packages/firmware/adp2020ZCR packages/firmware/adp2020SA packages/firmware/adp2025ZCR packages/firmware/adp2025SA packages/firmware/adp2130SLP packages/firmware/adp2120S packages/firmware/adp21610SA - Adaptec 2020SA | User Guide - Page 82
Adaptec Model 2200S 2230SLP 2410SA 2810SA Path packages/firmware/adp2200S packages/firmware/adp2230SLP packages/firmware/adp2410SA packages/firmware the Enter key to select from the following tasks: ■ Creating Arrays ■ Managing Arrays ■ Initializing Drives ■ Rescanning Drives Note: To return to the - Adaptec 2020SA | User Guide - Page 83
the ACU command, specify a script file (see Creating the Script File Manually on page B-5), and specify one (but not both) of the required switches not both). /R Required Record Mode-The ACU writes a controller's existing array configuration to a specified script file, enabling you to create the - Adaptec 2020SA | User Guide - Page 84
HotspareDrives list for all hotspares assigned to the RAID 10. For details, see the Method Keyword on manually. (See page B-5.) Regardless of which method you use to create the script, you need to use Playback Mode (/P) to use the script. In Record Mode, the ACU writes a controller's existing array - Adaptec 2020SA | User Guide - Page 85
controllers, record them separately using separate script files. ■ Because the ACU supports only a subset of array types available, it cannot record all the possible array configurations. If the ACU encounters an array Manually Script files contain the following structures, or blocks: ■ Array - Adaptec 2020SA | User Guide - Page 86
whether to initialize all the drives connected to the controller. See page B-8). Indicates the method (Build/ Verify, Clear, or Quick Init) to use when creating a redundant array (see page B-9. Indicates whether read caching is enabled for this array (see page B-10). Specifies the size of the - Adaptec 2020SA | User Guide - Page 87
Separate multiple drive identifiers with commas. Prior to creating any new arrays, the ACU initializes any drives specified by the Drives keyword. If a drive is specified in more than one array definition block in a script, it is initialized only once. ! Caution - Adaptec 2020SA | User Guide - Page 88
Example HotspareDrives=0:0:0,0:1:0 InitializeAll Keyword If you want the ACU to initialize all drives connected to the controller and delete any existing arrays before any new arrays are created, even those that are not specified in any Drives keyword definition, specify InitializeAll=yes. Otherwise - Adaptec 2020SA | User Guide - Page 89
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 a build/verify process on the array. Takes longer than Clear, but allows you to begin using the - Adaptec 2020SA | User Guide - Page 90
is specified, the ACU exits with an error. Examples Size=2.5GB Size=300MB Size=Maximum StripeSize Keyword Note: This keyword does not support RAID 50 arrays because RAID 50 arrays support only a stripe size of 64 KB. The StripeSize keyword specifies the stripe size (in MB) written to each member of - Adaptec 2020SA | User Guide - Page 91
is no default value. The Type keyword values are: ■ Volume ■ RAID5 ■ RAID0 ■ RAID10 ■ RAID1 ■ RAID50 Note: For information about which array types your controller supports, see Controller Features on page 1-5. Wait Keyword Wait is an optional keyword that you can use to tell the ACU to allow - Adaptec 2020SA | User Guide - Page 92
ID 7 on each of its channels. You can specify any ID value between 0 and 7. ! Caution: Do not change the SCSI ID of the controller unless directed to do so by Adaptec Technical Support. Example ControllerID=7 End Keyword End is a required keyword, indicating the end of the block. Example End B-12 - Adaptec 2020SA | User Guide - Page 93
-The device you specified does not exist on the selected controller. Specified array size too small-You specified an array size that is smaller than the minimum size allowed for this array. Specified array size too big-You specified an array size that is larger than the maximum size allowed for - Adaptec 2020SA | User Guide - Page 94
you must restart the computer. Example - Running the ACU with a Script The following MS-DOS command invokes the ACU and creates arrays on controller 1 based on the array keywords defined in the script file A:\RAID.ACU. It also configures Channel 0 and saves a log of the operation in the log file - Adaptec 2020SA | User Guide - Page 95
ACU for DOS The following sample script file creates a maximum-size threedrive 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 for clear to - Adaptec 2020SA | User Guide - Page 96
C-3 Running the AFU from the GUI C-4 Running the AFU from the Command Line C-5 Introduction The Adaptec Flash Utility (AFU) is a DOS utility used to update, save, or verify the RAID controller's firmware BIOS, and NVRAM. ! Caution: The AFU is easy to use and contains safeguards to prevent you - Adaptec 2020SA | User Guide - Page 97
Version-Displays version information about a controller's flash components. ■ List-Lists all supported controllers detected in your system. System Requirements Supports HIMEM.SYS; compatible with other DOS drivers running under HIMEM.SYS (for example, SMARTDRV.SYS and SETVER.SYS). ■ Does not support - Adaptec 2020SA | User Guide - Page 98
/packages/firmware/adp21610SA /packages/firmware/adp2230SLP /packages/firmware/adp2200S /packages/firmware/adp2410SA /packages/firmware/adp2810SA ■ From the Adaptec Web site-When you download a new firmware file, you usually get the most recent version of AFU. To create a controller firmware kit - Adaptec 2020SA | User Guide - Page 99
1 Create the firmware floppy disks, as described in Creating the Firmware Floppy Disks on page controller you are updating.) Note: When updating the controller flash, I/O is not possible. Before you can use the controller Choose Select Controllers and select the Adaptec RAID controllers to be - Adaptec 2020SA | User Guide - Page 100
AFU HELP A:\> AFU /? LIST The LIST command displays the AFU-supported controllers installed on your computer. Use this command to see which controllers are installed, or to identify the ID numbers assigned to each physical controller. You do not have to restart the computer after completing this - Adaptec 2020SA | User Guide - Page 101
Adaptec Flash Utility (AFU) SAVE The SAVE command saves the contents of a controller's flash in a UFI file. The name of the UFI file is based on the controller type and cannot be changed. You must restart the computer following a SAVE command. Command Syntax The command syntax for the SAVE command - Adaptec 2020SA | User Guide - Page 102
update has been performed. A:\> AFU UPDATE /C 0 Adaptec Flash Utility V4.0-0 B5749 (c)Adaptec Inc. 1999-2002. All Rights Reserved. Updating Controller 0 (Adaptec 2410) Reading flash image file (Build 5749) AFU is about to update firmware on controllers Adaptec 2410 ***PLEASE DO NOT REBOOT THE SYSTEM - Adaptec 2020SA | User Guide - Page 103
Use this command to determine whether a controller's flash components are up-to-date when compared to a specific UFI file. After using the VERIFY 0 Adaptec Flash Utility V4.0-0 B5749 (c)Adaptec Inc. 1999-2002. All Rights Reserved. Reading flash image file (Build 5748) Controller #0: Adaptec 2410 ROM - Adaptec 2020SA | User Guide - Page 104
for Controller #0 (Adaptec 2410) ROM: Build 5748 [VALID] Fri Sep 27 13:28:40 EDT 2002 A:\> AFU VERSION /C ALL AFU Command Line - Step-by-Step This section provides step-by step instructions for updating your the flash. To update the flash using the AFU command line: 1 Create the firmware floppy - Adaptec 2020SA | User Guide - Page 105
> is the number of one of the Adaptec RAID controllers whose firmware you are updating. To upgrade controllers 0, 2, and 3 for example, type: afu update /C 0, 2, 3 c Updating the Flash on All Controllers Simultaneously-To flash the firmware on all controllers, type: afu update /C all Note: The UFI - Adaptec 2020SA | User Guide - Page 106
D Command Line Interface In this Appendix... Introduction Terminology Accessing the CLI Using the CLI General Control Commands Container (Array) Commands Controller Commands Disk Commands Logfile Commands Task Commands Enclosure Commands Using Automated Command Scripts D-2 D-2 D-4 D-5 D-15 D-16 - Adaptec 2020SA | User Guide - Page 107
allows you to configure and manage controller components. The CLI contains most of the functionality offered by Adaptec Storage Manager, plus some additional functionality not offered by Adaptec Storage Manager. CLI commands allow you to automate testing or array creation in a production environment - Adaptec 2020SA | User Guide - Page 108
1:4:0. All Controllers The following terms are used in discussing the CLI: ■ Array, container-A across all the disks in an array. A striped array distributes data evenly across all members an array. ■ Hotspare, failover disk-A hard drive, an array member, that is not used in day-to-day data storage, - Adaptec 2020SA | User Guide - Page 109
in Windows: Note: The following procedure assumes that you accepted the default location for the software during installation. 1 Click the Start button. 2 Click Programs. 3 Browse to Adaptec Storage Manager. The Adaptec program group is displayed. 4 Click CLI. Note: In Windows, when the CLI executes - Adaptec 2020SA | User Guide - Page 110
CLI> open AAC0 The prompt changes to reflect the open controller, as shown in the next example. When you have finished with the controller, close it by typing: AAC0> close Displaying Information about Your Disks Before creating any array, use the disk show space command to display information about - Adaptec 2020SA | User Guide - Page 111
the stripe size later using the container reconfigure command. To create a RAID 0, use the container create stripe command. In the following example, the Array 0 is created on device 0:01:0 from 100 MB of available space. The array's cache is enabled, and the label is Mars. AAC0> container create - Adaptec 2020SA | User Guide - Page 112
the background, and the disks are available immediately. Linux/UNIX only: The /scrub switch is not available in Linux. For Linux, the RAID 5 is always created by building. The stripe verify that the array was deleted. In the following example, no arrays are found on the controller. AAC0> container - Adaptec 2020SA | User Guide - Page 113
prior to a drive failure so that the array contains the resources it needs to survive a failure. Alternatively, you can use the automatic failover commands that allow you to remove a failed drive and add a hotspare in its place. The controller automatically assigns the new hotspare to replace the - Adaptec 2020SA | User Guide - Page 114
failed disk with a replacement disk. Displaying Controller Information Controllers exhibit a number of attributes that you can display or manage using the following CLI commands: ■ Controller List ■ Controller Details Controller List The controller list attributes are defined as follows: ■ Adapter - Adaptec 2020SA | User Guide - Page 115
Memory: 64 Mbytes Battery State: Not Present Component Revisions CLI: 3.0-0 (Build #5478) API: 3.0-0 (Build #5478) Miniport Driver: 3.0-0 (Build #5478) Controller Software: 3.0-0 (Build #5478) Controller BIOS: 3.0-0 (Build #5478) Controller Firmware: (Build #5478) Controller Hardware: 3.3 D-10 - Adaptec 2020SA | User Guide - Page 116
Command Line Interface Displaying Disk Information The CLI allows you to monitor or manage disk attributes, prepare a disk for use by a controller, and detect defects using the following commands: ■ Disk List ■ Disk Show Defects ■ Disk Verify Disk List The disk list attributes are defined as - Adaptec 2020SA | User Guide - Page 117
during manufacturing) ■ Total number and location of grown defects (defects that originate after manufacturing) Displaying Array Information The CLI allows you to display and manage array attributes using the following commands: ■ Container List ■ Container Show Cache Container List The container - Adaptec 2020SA | User Guide - Page 118
-There is an unknown file system on the array. ■ Unmapped Containers-The array is unusable and cannot be mounted. ■ Phantom Container-The RAID controller software cannot configure the array or the array is offline. ■ Valid Container-The OS recognized the array and there has been a query (such as - Adaptec 2020SA | User Guide - Page 119
being used as a copy (hidden) array (Copy). ■ Reconfiguration Destination Container-An array is being used as a destination (hidden) array (Dest). ■ Reconfiguration RAID 5 Set-An array is being used as a RAID 5 (hidden array). ■ Reconfiguration Source Container-An array is being used as a source - Adaptec 2020SA | User Guide - Page 120
Control Commands ■ Container (Array) Commands ■ Controller Commands ■ Disk Commands ■ Logfile Commands ■ Task Commands ■ Enclosure Commands General Control Commands close Closes the currently opened controller. exit Closes the opened controller . history_size {buffer_size} Linux/Unix only-Sets the - Adaptec 2020SA | User Guide - Page 121
. reset_window Linux/Unix only-Resets the window. Container (Array) Commands Before working with arrays, you must have previously opened the controller. In addition, you must have initialized your disks to prepare for array operations. Use the Container commands to display, create, and manage arrays - Adaptec 2020SA | User Guide - Page 122
array of RAID 1 arrays from a multilevel array of single entry volumes. Parameters {container}-ID number of the array whose underlying volumes the command converts to RAID 1 arrays. {device_ID}-ID for the device whose available space to be used to create the multilevel array of RAID 1 arrays - Adaptec 2020SA | User Guide - Page 123
0 (stripe). Parameters {container}-ID number of the array from which to create the multilevel RAID 0. Switches /stripe_size-Stripe size for the RAID 0 array. /label-Label for the RAID 0 array. container create mvolume {container} [{container}...] Creates a multilevel volume. Parameters {container - Adaptec 2020SA | User Guide - Page 124
or more devices whose available space to be used to create the array. Switches /cache-Specifies whether to enable the array's cache. /stripe_size-Stripe size for the RAID 5 array. /clear-Specifies whether to clear the entire array during initialization. /label-Label to assign to the newly created - Adaptec 2020SA | User Guide - Page 125
Line Interface Switches /cache-Specifies whether to enable caching on the array. /stripe_size-Stripe size for the RAID 0. The default is 64 KB. /label-Label to assign to the new RAID 0. container create volume [/cache={boolean}] [/label={string}] {device_ID}, {free_space}, {device_ID}, [{free_space - Adaptec 2020SA | User Guide - Page 126
information about the arrays on the controller. Parameters {container}-ID number of the array containing information to RAID 0 or a single entry volume. Parameters {container}-ID number of the array to promote to a multilevel array. container readonly {container} Sets the protection on the array - Adaptec 2020SA | User Guide - Page 127
/partition_size-Size of a partition. /raid5-Reconfigure the array as a RAID 5. /raid10-Reconfigure the array as a RAID 10 (stripe of mirrors). /restart-Restart reconfiguring the array. /stripe-Reconfigure the array as a RAID 1. /volume-Reconfigure the array as a volume. /wait- If FALSE (the default - Adaptec 2020SA | User Guide - Page 128
the RAID 5 to restore. container scrub [/io_delay={integer}] [/no_repair={boolean}] [/wait={boolean}] {container} Checks and repairs the consistency of a redundant array. Parameters {container}-ID number of the redundant array to build. Switches /io_delay-Number of milliseconds the controller waits - Adaptec 2020SA | User Guide - Page 129
unprotected={boolean}] [/write_cache_enable={boolean}] {container} Sets cache parameters for a specific array. Useful only if a native OS's file system resides on the array. Parameters {container}-ID number of the array on which to set cache parameters. Switches /read_cache_enable-Specifies whether - Adaptec 2020SA | User Guide - Page 130
container}-ID number of the array whose assigned failover disks to display. container unmirror {container} Changes the RAID 1 (mirror) to a volume and frees the redundant space. Parameters {container}-ID number of the RAID 1 to unmirror. Controller Commands Use the Controller commands to display the - Adaptec 2020SA | User Guide - Page 131
controller and software. controller firmware compare [/C{controller}] [{controller}...] [/D{UFI_file_path}] Compares the contents of each of the flash components on a controller supported in Linux. controller firmware update [/C{controller}] [{controller}...] [/D{UFI_file_path}] Updates a controller - Adaptec 2020SA | User Guide - Page 132
Parameters {integer}-Time in seconds to cause the controller to wait before resuming I/O. controller rescan Rescans the channels and updates all underlying structures. controller reset_channel {integer} Resets a specific channel on the open controller. Parameters {integer}-Channel on which to reset - Adaptec 2020SA | User Guide - Page 133
show container_verify Displays the status of the container verify status. Disk Commands Use the disk commands to manage disks connected to a RAID controller. The CLI allows you to monitor disk characteristics and parameters, prepare a disk for use, and detect defects. disk blink {device_ID - Adaptec 2020SA | User Guide - Page 134
The default is FALSE. /unconditional-Specifies whether to initialize the disk even if arrays on the disk have open files. The default is FALSE. disk list [/all={ display information. Switches /all-List of all devices on the controller. /full-Detailed information for devices. The default is FALSE. - Adaptec 2020SA | User Guide - Page 135
boolean}] {device_ID} Shows the number of defects and the defect list for a specific drive. Parameters {device_ID}-ID number of the device. Switches /full-Specifies whether all partitions on the disks attached to the currently opened controller. disk show smart [/all={boolean}] [/full={boolean}] [/ - Adaptec 2020SA | User Guide - Page 136
Command Line Interface Parameters {device_ID}-ID number of the device for which to display SMART information. Switches /all-Specifies whether to display SMART configurations for all disks. /full-Specifies whether to display detailed SMART configuration information for one or all disks. / - Adaptec 2020SA | User Guide - Page 137
Task Commands Use the CLI commands to display and manage tasks. A task is an operation that occurs only on the controller, asynchronous to all other operations. Examples of tasks are clearing a disk and creating a RAID 1. Once a task is running on the controller, the CLI allows you to display, stop - Adaptec 2020SA | User Guide - Page 138
task to resume. Switches /all-Specifies whether to resume all suspended tasks. task stop [/all={boolean}] [{integer}] Stops one or all tasks on the controller. Parameters {integer}-Task ID for the task to stop. Switches /all-Specifies whether to stop all suspended tasks. task suspend [/all={boolean - Adaptec 2020SA | User Guide - Page 139
the enclosure commands only with enclosures that support Version 1.0 of the SAF-TE specification. enclosure activate slot {enclosure} {slot} Activates a device in a slot in the SAF-TE enclosure. Parameters {enclosure}-ID number of the enclosure management device on which to activate a device. {slot - Adaptec 2020SA | User Guide - Page 140
to turn the audible alarm on or off. enclosure set fan [/off={boolean}] {enclosure} {fan} [{speed}] Sets the speed of a specific fan. Parameters {enclosure}-ID number of the enclosure management device on which to set the speed of a fan. {fan}-Unit number of the fan. {speed}-Speed at which to set - Adaptec 2020SA | User Guide - Page 141
}-Temperature (in degrees Fahrenheit from 0 to 255). enclosure show fan [{enclosure}] [{fan}] Displays the status of a specific fan. Parameters {enclosure}-ID number of the enclosure management device for which to display fan status. {fan}-Unit number of the fan. enclosure show power [{enclosure - Adaptec 2020SA | User Guide - Page 142
Unit number of the power supply. enclosure show slot [{enclosure}] [{slot}] Displays the status of a specific device slot on a specific enclosure. Parameters {enclosure}-ID number of the enclosure management device for which to display device slot status. {slot}-Unit number of the device slot whose - Adaptec 2020SA | User Guide - Page 143
ends with a line feed inserted by pressing Enter. Example open AAC0 controller details close AAC0 exit The above CLI command script: 1 Opens controller AAC0 by invoking the CLI command open. 2 Invokes controller details. 3 Closes controller AAC0 by invoking the CLI command close. 4 Exits the script - Adaptec 2020SA | User Guide - Page 144
the same total storage space without RAID. This Appendix describes the various RAID levels supported by Adaptec RAID controllers. The table below shows the number of drives needed and supported for your controller according to RAID level. Array Type RAID 0 RAID 1 RAID 5 RAID 10 RAID 50 Maximum - Adaptec 2020SA | User Guide - Page 145
0 provides the best read and write performance of any RAID type. An example of a RAID 0 array is shown below. RAID 0 Drive Data 0 Data 2 Data 4 Data 6 Drive Data 1 Data 3 Data 5 Data 7 RAID 1 A RAID 1 array is created by copying, or mirroring, all data from one drive onto a second drive. This - Adaptec 2020SA | User Guide - Page 146
type requires at least three drives. Like RAID 0, data is striped across the drives. However, in RAID 5, parity is stored separately from data, and occupies the equivalent of one drive. The controller generates parity every time data is written to the array, and it is distributed in stripes across - Adaptec 2020SA | User Guide - Page 147
, which is the worst case, uses only one-third of the total capacity for redundancy. In larger arrays, the storage cost of redundancy decreases proportionately RAID 5 write performance is limited by the need to generate parity data for every write. Read performance is good because the load is spread - Adaptec 2020SA | User Guide - Page 148
Arrays RAID 5 Data 2 & Data 3 Data 6 & Data 7 Data 10 & Data 11 Data 14 & Data 15 RAID 0 Drive Parity A0 Data 5 Data 9 Parity A3 Drive Data 2 Data 6 Parity B2 Data 14 Drive Data 3 Parity B1 Data 10 Data 15 Drive Parity B0 Data 7 Data 11 Parity B3 Note: Adaptec 2410SA does not support RAID - Adaptec 2020SA | User Guide - Page 149
SE Devices with LVD Devices F-3 SCSI Device Support The SCSI RAID controller is designed to work with Ultra320 SCSI hard drives. Although the controller also works with Ultra2 or higher SCSI drives and peripherals, performance is reduced. Adaptec does not recommend using SCSI devices older than - Adaptec 2020SA | User Guide - Page 150
User's Guide. The RAID controller ID can be changed to any controllers support multimode SCSI termination. Enabling CD Drive Support Note: Adaptec SCSI RAID controllers do not support CD drives in Linux systems. If you attached a CD drive to the controller, you need to configure the controller BIOS - Adaptec 2020SA | User Guide - Page 151
About SCSI 2 Select SCSISelect Utility, then select Controller Configuration. 3 Using the arrow keys, enable CD-ROM Boot Support and Removable Media Devices 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 - Adaptec 2020SA | User Guide - Page 152
G Controller Illustrations This Appendix shows the Adaptec RAID controllers. PCI/PCI-X connector Low-profile bracket Adaptec 2020SA/2020ZCR Component Layout G-1 - Adaptec 2020SA | User Guide - Page 153
Controller Illustrations SO-DIMM Connector Adaptec 2025SA/2025ZCR Component Layout Internal high-density SCSI connector Battery connector External VHDCI SCSI Connector Adaptec PCI connector Low-profile bracket Adaptec SCSI RAID 2120S Component Layout G-2 - Adaptec 2020SA | User Guide - Page 154
Controller Illustrations Internal high-density SCSI connector Battery connector External VHDCI SCSI connector Adaptec Low-profile bracket PCI-X connector Adaptec SCSI RAID 2130SLP Component Layout Internal high-density SCSI connectors Battery connector External VHDCI SCSI connectors - Adaptec 2020SA | User Guide - Page 155
Controller Illustrations Internal high-density SCSI connectors Battery connector External VHDCI SCSI connectors Adaptec Low-profile bracket PCI-X connector Adaptec SCSI RAID 2230SLP Component Layout G-4 - Adaptec 2020SA | User Guide - Page 156
SATA ports Controller Illustrations PCI connector Full-height bracket Adaptec SATA RAID 2410SA Component Layout 0 1 2 3 Adaptec SATA RAID 2410SA Port Numbers G-5 - Adaptec 2020SA | User Guide - Page 157
SATA ports Battery connector Controller Illustrations PCI connector Full-height bracket Adaptec SATA RAID 2810SA Component Layout 1 346 02 57 Adaptec SATA RAID 2810SA Port Numbers G-6 - Adaptec 2020SA | User Guide - Page 158
SATA ports Controller Illustrations Battery connector SATA ports PCI connector Full-height bracket Adaptec SATA RAID 21610SA Component Layout 1 346 9 11 12 14 8 10 13 15 02 57 Adaptec SATA RAID 21610SA Port Numbers G-7 - Adaptec 2020SA | User Guide - Page 159
Specifications Ambient temperature without battery backup module Relative humidity Altitude 0 °C to 50 ° C 10% to 90%, noncondensing up to 3,000 meters Note: Forced airflow is recommended, but not required. DC Power Requirements Ripple and noise DC Voltage Current Requirements Adaptec - Adaptec 2020SA | User Guide - Page 160
A activity See task. ACU Array Configuration Utility. Used to create, configure, and manage arrays from the controller's BIOS or MS-DOS. array A logical disk created from available space and made up of one or more partitions on one or more physical disks. Arrays are typically used to provide data - Adaptec 2020SA | User Guide - Page 161
path, or bus, used for the transfer of data between storage devices and a RAID controller. chunk See stripe. clear Foreground initialization of a fault-tolerant array. A clear operation zeros all blocks of the array. The array is not accessible until the clear task is complete. concatenation Joining - Adaptec 2020SA | User Guide - Page 162
Glossary consistency check command The controller continuously performs a verification on a redundant array to data integrity. In the case of RAID 1 or 10, consistency checks assure that the data between like blocks match. In the case of a RAID 5, consistency checks assure that data in the stripe - Adaptec 2020SA | User Guide - Page 163
failover drive See hotspare. fault-tolerant array Refers to an array that can continue to function after a disk drive failure without loss of data. See also redundant. foreign disk Disk that has previously been initialized on another Adaptec RAID controller. The RAID signature on the disk allows the - Adaptec 2020SA | User Guide - Page 164
disk, hard drive Basic unit of nonvolatile, nonremovable, magnetic storage media. See also drive. hot swap To remove a component controller. When a disk is initialized, the controller records the RAID signature on the disk. initialized array An array that is ready for data reads and writes. Arrays - Adaptec 2020SA | User Guide - Page 165
the operating system 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/mirroring See RAID 1 on page E-2. monitoring Process of receiving, displaying, and - Adaptec 2020SA | User Guide - Page 166
management software; for example, a missing drive. Q quick init An array initialized using the Quick Init option is available immediately, with 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 - Adaptec 2020SA | User Guide - Page 167
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 any logical device, the entire disk is an available segment. Serial ATA (SATA) A successor to ATA that - Adaptec 2020SA | User Guide - Page 168
sections called stripes. stripe size The amount of data in each section of a striped 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 verifying an - Adaptec 2020SA | User Guide - Page 169
R Adaptec, Inc. 691 South Milpitas Boulevard Milpitas, CA 95035 USA ©2004 Adaptec, Inc. All rights reserved. Adaptec and the Adaptec logo are trademarks of Adaptec, Inc. which may be registered in some jurisdictions. Part Number: 513977-06, Ver. AA 09/04 JG
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