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B-1

B

Supported RAID Types

RAID is an acronym for Redundant Array of Independent Disks.
The goal of RAID is to provide better performance and reliability
from combinations of disk drives than possible with the same total
storage space without RAID.

When creating RAIDs, select drives of equal capacity and
performance. Otherwise, the RAID tends to be limited in capacity
and performance to that of the smallest and slowest drive.

The Adaptec 1210SA supports up to two drives; therefore, only
RAID 0 and RAID 1 arrays are supported. These array types are
described below.

In addition to RAID capability, the Adaptec 1210SA supports a
simple volume configuration, which consists of a single drive that
is not part of an array. Such a drive is automatically configured as a
simple volume. The controller supports up to two simple volumes.

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Summary of Contents for 1210SA - Serial ATA RAID Controller

Page 1: ...USER S GUIDE ADAPTEC SERIAL ATA RAID 1210SA ...

Page 2: ...R Adaptec Serial ATA RAID 1210SA User s Guide ...

Page 3: ... countries used under license All other trademarks are the property of their respective owners Changes The material in this document is for information only and is subject to change without notice While reasonable efforts have been made in the preparation of this document to assure its accuracy Adaptec Inc assumes no liability resulting from errors or omissions in this document or from the use of ...

Page 4: ...t you 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 America Visit our Web site at www adaptec com For information about Adaptec s support options call 1 408 95...

Page 5: ... 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 For support via e mail submit your question to Adaptec s Technical Support Specialists at ask adaptec com You can order Adaptec cables online at www adaptec com buy cabl...

Page 6: ...io television 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 the FCC rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference ...

Page 7: ...du Règlement sur le matériel brouilleur du Canada Japanese Compliance Voluntary Control Council Initiative 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 thi...

Page 8: ... Management Software Overview 1 6 Safety Information 1 7 Notes and Cautions 1 7 Electrostatic Discharge 1 7 2 Installing the Controller Overview 2 1 Installing the Controller 2 2 Checking Your Controller and Devices 2 3 Determining the Boot Controller 2 3 3 Installing the Driver Installing the Driver in a New Windows System 3 2 Installing the Driver in an Existing Windows System 3 4 Installing Red...

Page 9: ...tec Storage Manager Browser Edition Overview 5 2 Architecture Overview 5 3 Logging In 5 4 Installing a Security Certificate 5 6 Registering Your Software 5 6 The Basics 5 7 Pop Up Tool Tips 5 8 Physical Devices 5 8 Logical Devices 5 10 Creating an Array 5 11 Advanced Options 5 12 Deleting Arrays 5 15 Modifying Arrays 5 15 User Interface Options 5 16 Viewing Events 5 17 Event Viewer 5 17 Event Noti...

Page 10: ... What is ARC A 1 Using the ACU A 2 Managing Arrays A 2 Creating Arrays A 4 Initializing Disk Drives A 6 Using SATASelect A 7 Starting and Exiting SATASelect A 7 Using the SATASelect Menus A 7 Using the CCU A 8 Using the SATA Configuration Utility A 9 Using the Disk Utilities A 10 B Supported RAID Types RAID 0 B 2 RAID 1 B 2 C Specifications Glossary ...

Page 11: ...D 1210SA controller This is a guide to the rest of the document providing a summary of the installation process Read this First 1 1 System Requirements 1 2 Kit Contents 1 3 About the Documentation 1 4 Controller Features 1 5 Overview of the Installation Process 1 5 Storage Management Software Overview 1 6 Safety Information 1 7 ...

Page 12: ... For the latest Linux compatibility information visit www adaptec com Storage Requirements Device drivers and storage management software require approximately 20 MB of disk space Motherboard Compatibility The controller can be installed in a universal PCI slot and requires a motherboard and BIOS that Complies with the PCI Local Bus Specification Revision 2 2 Provides large memory mapped address r...

Page 13: ...n CD Low profile bracket Two Serial ATA interface cables Warranty card Technical Support ID TSID label see page iii for details Adaptec 1210SA Controller The Adaptec 1210SA controller is shown below Note the position of the Serial ATA interface connectors necessary for attaching the Serial ATA hard drives Connector for Serial ATA drive 0 Connector for Serial ATA drive 1 ...

Page 14: ...ec com The documents available from the Web site may be more recent versions than those on the CD Check the revision letter on the back page of the guide Installing the Adobe Acrobat Reader The Adaptec installation CD contains Windows and Linux versions of Adobe Acrobat Reader You can also download the Reader free at www adobe com You need the Reader to view Portable Document Format PDF documents ...

Page 15: ... including messaging for alphanumeric pagers Overview of the Installation Process The following steps provide an overview of the process of installing setting up and configuring the controller 1 Read and understand this entire chapter 2 Install and configure the controller and hard drives according to the instructions in Chapter 2 Installing the Controller 3 In Chapter 3 Installing the Driver the ...

Page 16: ...oftware that provides all of the creation management and data logging needed to manage arrays Arrays may be set up and managed on systems using the following operating systems Windows 2000 and Windows XP Red Hat Linux 7 3 and 8 0 SuSE Linux 8 1 and 8 0 For details see Chapters 4 and 5 Adaptec RAID Configuration Utility ARC Part of the controller s built in BIOS code You start ARC by pressing Ctrl ...

Page 17: ...lectrostatic Discharge Electrostatic Discharge ESD is a natural by product of human activity ESD is produced by materials that accumulate and retain electrical charges which are transferred to people or other objects upon contact Caution ESD can damage electronic components when they are improperly handled and can result in total or intermittent failures Always follow ESD prevention procedures whe...

Page 18: ...voltages on clothing can still cause damage Handle your controller by 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 ...

Page 19: ...wing reasons There are no jumpers or switches to set on the controller or hard drives The cable ends are identical so you don t need to worry about which end to attach to the controller and which to the drive The interface cable connectors controller connectors and hard drive connectors are all keyed so that you can insert them in only one direction Overview 2 1 Installing the Controller 2 2 Check...

Page 20: ...CI slot and secure the controller bracket to the host system cabinet 6 If you have not already installed your Serial ATA hard drives do so now 7 Use the cables supplied with your kit to connect your controller to the Serial ATA hard drives The connectors at each end of a cable are the identical therefore it does not matter which end you connect to your controller or hard drive Also the connectors ...

Page 21: ...d check the connections 4 Select SATASelect to verify the hardware configuration of the controller and the drives Verify that all drives and controllers are shown If anything appears to be missing power down the computer and check the connections Determining the Boot Controller Your Adaptec 1210SA is a bootable controller If your computer already contains a bootable hard drive with an installed op...

Page 22: ... select from the following scenarios for installing the controller driver on Windows or Linux systems Installing the Driver in a New Windows System on page 3 2 Installing the Driver in an Existing Windows System on page 3 4 Installing Red Hat Linux 7 3 or 8 0 on page 3 6 Installing SuSE Linux 8 0 or 8 1 on page 3 9 Note Visit www adaptec com for the most recent driver downloads ...

Page 23: ... prompts as needed to boot and get to the Main Menu c From the Main Menu select Create Driver Disk s d Click on the appropriate driver disk option and then click OK e When prompted insert a floppy disk and click OK f The system formats the disk and writes the appropriate information to it g When prompted remove and label the driver disk Then click OK 3 Restart the computer 4 If creating an array p...

Page 24: ... array types see Appendix B Note Once the array is created and its properties are assigned you cannot change the array properties using the ACU Instead use Adaptec Storage Manager Browser Edition 11 Optional Type in a label for the array and press Enter 12 RAID 0 only Select the desired stripe size Available stripe sizes are 16 32 and 64 KB default Note Adaptec recommends that you do not change th...

Page 25: ...ollow the remaining on screen instructions Installing the Driver in an Existing Windows System In this scenario you are adding a controller to a system that already has a Windows operating system To install the driver 1 Install and configure your controller and hard disk drives according to the instructions in Chapter 2 Installing the Controller 2 Create a driver disk a Insert the Adaptec installa...

Page 26: ...rial ATA hard drives For more details about the ARC utility see Appendix A 11 From the ARC menu select Array Configuration Utility ACU 12 From the ACU menu select Create Array 13 Select the disks for the new array and press Insert Note If your drives are shown in gray and cannot be used they probably need to be initialized See Initializing Disk Drives on page A 6 for details 14 Press Enter when bo...

Page 27: ...p and use your computer during the build Caution Do not turn off the computer during the build If you do your drives may become unusable Installing Red Hat Linux 7 3 or 8 0 Installing the Red Hat Driver in a New Linux System In this scenario you are installing the controller in a new Linux system To install the driver 1 Install and configure the controller and hard disk drives according to the ins...

Page 28: ... 5 Press Ctrl A when prompted to enter the Adaptec RAID Configuration ARC utility You will use ARC to create the array and logical drive that you will use to install Linux For more details about the ARC utility see Appendix A 6 From the ARC menu select Array Configuration Utility ACU 7 From the ACU menu select Create Array 8 Select the drives for the new array and press Insert Note If your drives ...

Page 29: ... not change the default 13 Select between the different creation methods for RAID 0 or RAID 1 For more details about the creation methods see Appendix A RAID 0 Select No Init default or Migrate RAID 1 Select Build default Clear or Quick Init 14 When the array is finished building or if you are continuing from Step 4 insert the Red Hat CD Disk 1 in the CD ROM drive and restart the system 15 When th...

Page 30: ...ller 2 Create a driver disk a Enter system setup and verify that your system is set to boot from the CD ROM drive See your system documentation for details b Insert the Adaptec installation CD and restart your system from the CD Follow instructions and respond to prompts as needed to boot and get to the Main Menu c From the Main Menu select Create Driver Disk s d Click on the appropriate driver di...

Page 31: ...ves on page A 6 for details 9 Press Enter when both drives for the new array are selected The Array Properties menu is displayed 10 In the Array Properties menu select an array type and press Enter The available selections are RAID 0 and RAID 1 Each of these array types requires two drives For a description of these array types see Appendix B Note Once the array is created and its properties are a...

Page 32: ...ive and restart the system 15 When the SuSE Installation menu appears press the Alt key then select one option from the Menu and press Enter 16 When prompted insert the driver disk you created see Step 2 and press any key to continue 17 Follow the prompts to set up your preferred environment 18 Continue with the Linux installation according to the SuSE documentation Installing or Updating the Driv...

Page 33: ...e for installing Adaptec Storage Manager Browser Edition to enable remote and local management of arrays For instructions on using this application see Chapter 5 Overview 4 1 Supported Browsers 4 2 Custom and Compact Installations 4 2 Installing Adaptec Storage Manager on Windows 4 3 Installing Adaptec Storage Manager on Linux 4 7 ...

Page 34: ...s local and remote management however Adaptec SNMP is not included Custom For expert users who want to select and install specific components The following components are available Managed System Components If you choose this selection only the installation is the same as a Compact installation Adaptec Web Server Installs components allowing managed systems to communicate with Web browsers Adaptec...

Page 35: ... its terms click Yes If not click No and terminate the installation The Select a Setup Type window appears It provides three types of installations Typical Compact and Custom See Custom and Compact Installations on page 4 2 for details 6 Choose a setup type and click Next 7 When you see the Destination Folder click Next 8 When you see the Setup Information click Next The Setup Status window shows ...

Page 36: ...ur computer uses a proxy server you need to configure your browser to enable Adaptec Storage Manager to bypass the proxy server Also if you are managing remote systems you need to configure Adaptec Storage Manager to bypass the proxy server when communicating with these systems The following procedures are described in this section Configuring Internet Explorer for Local Management on page 4 5 Con...

Page 37: ...was removed from the Privacy tab There is no setting for blocking Intranet cookies If you are using a proxy server to access the Internet you must bypass the proxy server to access the Adaptec Storage Manager Web server To verify whether you are using a proxy server 1 From Internet Option window click the Connections tab 2 Click LAN Settings If the Use a proxy server box isn t checked exit by clic...

Page 38: ...or 1 Log in to your computer with administrator access 2 Select Edit Preferences 3 In the Preferences window click the right arrow on the Privacy and Security line Ensure that either of the Enable cookies selections is selected 4 Select the Advanced line Ensure that Enable Javascript for Navigator is checked 5 Exit Navigator then restart it This enables any settings you have modified 6 You are now...

Page 39: ...Next The License Agreement window appears 4 Read the license agreement If you agree to its terms click Accept If not click Cancel and terminate the installation The Choose Setup Type window appears It provides three types of installations Typical Compact and Custom See Custom and Compact Installations on page 4 2 for details 5 Choose a setup type and click Next The Start Copying window appears 6 C...

Page 40: ...tec Storage Manager in the System tab This shortcut launches Adaptec Storage Manager using Mozilla Unless the controller driver was installed as part of this installation you do not need to restart your computer 10 Remove the Adaptec installation CD Your computer must have a Web browser supporting JavaScript and cookies To use Adaptec Storage Manager you need to log on to your computer with root p...

Page 41: ... 3 Logging In 5 4 Installing a Security Certificate 5 6 Registering Your Software 5 6 The Basics 5 7 Creating an Array 5 11 Deleting Arrays 5 15 Modifying Arrays 5 15 User Interface Options 5 16 Viewing Events 5 17 Getting Help 5 19 Displaying and Modifying Properties 5 19 Viewing and Creating Tasks 5 24 ...

Page 42: ...has Windows or Linux and a supported browser Remotely manage any system containing a supported Adaptec RAID controller that has Managed System Components see Custom and Compact Installations on page 4 2 You can manage a remote system even if there is no RAID controller on the host system Also you can manage a remote system running Unix or Netware if it has the ARCPD agent installed These same Wind...

Page 43: ...rations described below all components must be installed on systems that have a TCP IP connection through which other components can be accessed Communication security is ensured because Secure HTTP S HTTP or SSL protocols are used to encrypt all transmitted data Connection over an Ethernet network a corporate WAN or VPN are supported Several remote management configurations are possible The remot...

Page 44: ...elow is presented 2 Enter the host name or IP address of the system you want to manage and the username and password you would use to log into that system 3 Click Login Notes When running Adaptec Storage Manager for the first time You need to install a security certificate if you chose not to during the installation process For instructions see Installing a Security Certificate on page 5 6 You are...

Page 45: ... connection to the remote system is established the System Login screen appears Note If you are using a proxy server to access the Internet you must bypass the proxy server to access the Adaptec Storage Manager Web server See Configuring Internet Browsers on Windows on page 4 4 for details 2 Enter the host name or IP address of the system you want to manage and the administrative username and pass...

Page 46: ...ts change 4 Accept the default Automatically select the certificate store and click Next 5 On the root Certificate Store window click Yes Another small Certificate Import wizard window appears 6 Click OK The Certificate window mentioned in Step 2 reappears 7 Click OK You are returned to the Security Alert window from Step 1 8 Click Yes to finish the creation and storage of the certificate Register...

Page 47: ...o rescan the configuration of the system Typically when a rescan is required it occurs automatically for example after an array is created It is possible for the system configuration to change without Adaptec Storage Manager being notified For example drives inserted removed from a non intelligent enclosure or an enclosure powered on after you logged in to Adaptec Storage Manager The remaining but...

Page 48: ...rmation about the function of the button while for devices they display additional information Physical Devices The Physical Devices view displays information about the drives and enclosures attached to the Adaptec RAID controller The devices are shown organized by the channel or port that they are connected to and shown in numerical order The display for each channel includes information on maxim...

Page 49: ...t of any devices where the condensed display prevents omits information An icon is always the first entry on each device line The icon is used to represent a hard disk drive If a symbol appears with the hard disk drive icon the drive is a hot spare Different icons are used to represent other devices View is the default display mode and when expanded will show the following information about each d...

Page 50: ...pacity available Although in normal operation this is not an issue it can be when assigning hot spares or replacing a failed drive If the controller used the maximum capacity of each drive and a hot spare or replacement drive was just a few megabytes smaller it would not be able to replace the failed drive By rounding drive capacities down to the nearest 2 MB this possibility is effectively elimin...

Page 51: ...cting an array by clicking on it will highlight the following in amber All the drives or segments that form the array in the Physical Devices view Any second level arrays that form a top level array in the Logical Devices view The Events Properties and Tasks buttons in the header frame Selecting any of these three buttons displays a new window with additional information and options specific to th...

Page 52: ...r choice The name you choose must be unique and can be up to 15 standard ASCII characters in length 6 Click Finish The system creates the new array 7 Windows 2000 only a When you add an array an Unsafe Removal pop up appears click OK b Open the Device Manager and do a rescan to view your new array Advanced Options Creating an array by clicking Advanced in the Create Array wizard follows the same b...

Page 53: ...ad accesses to this array to try to predict where future reads may occur If it detects a pattern the data that seems most likely to be read next is preloaded into the controller s cache memory Since reading data from memory on the controller is much faster than reading it from the drives this significantly improves performance The default is Enabled The Advanced area of the Create Array wizard may...

Page 54: ... maximum performance The disadvantages are that building takes some time for a large array possibly many hours and performance is impacted until the build completes Clear In this case the contents of all the drives are cleared The advantages of clearing an array are that the process is much faster than building and when completed the array operates at maximum performance The disadvantage is that t...

Page 55: ...ntrollers that support this feature Modify allows you to make the following changes to existing arrays Migrate an array from one RAID level to another Expand the capacity of an array Change the stripe size Some operating systems for example Windows 2000 and Windows XP support Online Capacity Expansion OCE That is on completion of an array expansion the additional capacity can be used without reboo...

Page 56: ...view You can choose to display second level arrays Background Update Frequency This option controls how frequently the Web server is polled for updated configuration information The default is 30 seconds Other choices are 15 seconds 1 minute and 5 minutes Highlight on Mouseover As you move the cursor you may notice that an amber box surrounds the controller channel device or array This effect can ...

Page 57: ...view either critical and warning level events only Warning or critical events only Critical At the bottom of the screen is a Clear Log button to clear the event log Event Notification A notifier service is included enabling controller events to be added to the system event log This service can display on screen popup alert messages as well as notify users through e mail of controller events The de...

Page 58: ...cation To configure event notification 1 Use the System Log pull down to select the level of events to be added to the system event log 2 Use the Popup Alerts pull down to select the level of events that trigger a popup message Or select the Sound On box to be notified by a system sound To configure e mail event notification 3 In SMTP Server type the address of SMTP mail server host name or IP add...

Page 59: ...s and an e mail address for Adaptec Sales as well as links to Adaptec s Online Store and Product Information Web sites Displaying and Modifying Properties Click Properties to see additional details about the components displayed on your screen To see properties about a particular controller channel device or array select that item before clicking Properties If Properties is amber clicking on it wi...

Page 60: ...etails This window lists details of some components for this controller Monitor Kernel BIOS versions These are the version numbers of the different software components loaded on the controller For some controllers not all three components are present Hardware version The revision level of the controller hardware Processor type and speed Not available for Adaptec 1210SA Channel or Port Properties T...

Page 61: ...number information stored on the device Data Rate The data transfer speed negotiated between the controller and this device SCSI ID LUN For devices on a SCSI channel the SCSI ID and LUN of the device are reported These do not apply for ATA and Serial ATA devices and will always return 0 Capacity The Capacity tab appears only for disk drives and when selected displays a summary view listing the res...

Page 62: ...se numbers in either hexadecimal or capacity S M A R T For hard disk drives that support S M A R T predictive failure reporting this additional tab will appear with the following entries Enabled indicates if S M A R T reporting is enabled on this device Predictive failure occurred indicates if this device has reported a predictive failure LED This tab appears on hard disk drives and has two button...

Page 63: ...re The Temperature tab contains a table listing all of the temperature sensors in the enclosure by number For each sensor the current temperature and status is displayed You can select whether temperatures are displayed in Fahrenheit or Celsius Devices The Devices tab contains a table listing the slots in the enclosure by number For each slot the SCSI ID of any device present is listed along with ...

Page 64: ...ize of the selected array Hot spare Indicates for redundant arrays if a hot spare protects the selected array Logical drive number A number assigned to the selected array by the controller This number is only used by the controller Viewing and Creating Tasks The Tasks button has a window which contain two tabs Task Viewer and New Task Task Viewer Displays details of current and scheduled tasks for...

Page 65: ...ray is compromised Array Verify Performs a test of the entire array to ensure that data is consistent Any inconsistency found is not repaired Verify with Fix Performs a test of the entire array to ensure that data is consistent Any inconsistency found is repaired Clear Erases all data on the array Any data previously on the array is not recoverable To create a task 1 Select the array or drive you ...

Page 66: ...erial ATA SATA device and controller settings Controller Configuration Utility CCU Allows you to modify controller BIOS boot and display options SATA Configuration Utility Enables you to modify the SATA channel interface definitions and SATA device configuration options Disk Utilities For formatting and verifying disks What is ARC A 1 Using the ACU A 2 Using SATASelect A 7 Using the CCU A 8 Using ...

Page 67: ...Using the ACU The Array Configuration Utility ACU enables you to create manage and delete arrays from the controller s BIOS and initialize drives Managing Arrays Use the Manage Arrays option to view array properties and members and delete arrays The following sections describe these operations in greater detail Viewing Array Properties To view the properties of an existing array 1 At the BIOS prom...

Page 68: ...mpted to access the ARC utility 2 From the ARC menu select Array Configuration Utility ACU 3 From the ACU menu select Manage Arrays 4 Select the array you wish to delete and press Delete 5 In the Array Properties dialog box select Delete and press Enter The following prompt is displayed Warning Do you want to delete the array Yes No 6 Press Yes to delete the array or No to return to the previous m...

Page 69: ...Enter when both disks for the new array are selected The Array Properties menu displays Assigning Array Properties Note Once the array is created and its properties are assigned you cannot change the array properties using the ACU Instead use Adaptec Storage Manager Browser Edition See Chapter 5 for details To assign properties to the new array 1 In the Array Properties menu select an array type a...

Page 70: ...warned about the risk of data loss Caution Do not interrupt the creation of a RAID 0 using the Migrate option If you do there is no way to restart and no way to recover the data that was on the source drive 5 When you are finished press Done RAID level Create via When appropriate RAID 0 No Init Creating a RAID 0 on new drives RAID 0 Migrate1 1 If you select Migrate for RAID 0 or Build for RAID 1 y...

Page 71: ...ay not be able to use the array again Do not initialize a disk that is part of a boot array To determine which disks are associated with a particular array see Viewing Array Properties on page A 2 To initialize drives 1 Turn on your computer and press Ctrl A when prompted to access the ARC utility 2 From the ARC menu select Array Configuration Utility ACU 3 Select Initialize Drives 4 Use the up an...

Page 72: ...led select the controller you want to configure and press Enter 3 From the ARC menu select SATASelect The Controller Configuration and SATA Configuration menu options are displayed To exit SATASelect press Esc until a message prompts you to exit If you changed any settings you are prompted to save the changes before you exit Choose Yes to exit and reboot the system Any changes you made take effect...

Page 73: ...s runtime BIOS The BIOS must be enabled if you want to boot from the controller If Runtime BIOS is enabled and the Array based BBS Support option is disabled the controller BIOS is enabled and will post the first array or drive attached to the controller as a bootable hard disk drive The default is Enabled Array Based BBS Support If Runtime BIOS and this option are enabled all devices array or dri...

Page 74: ...d Select the appropriate channel from this menu You can modify the following SATA Device Configuration options Write Cache Enables or disables write cache on the drive Write cache enabled provides maximum performance DMA Enables or disables the use of Direct Memory Access DMA mode for the drive Enabled provides maximum performance SMART Enables or disables the predictive failure feature of the dis...

Page 75: ... to configure and press Enter 3 From the ARC menu select Disk Utilities 4 Select the desired disk and press Enter You are offered the following options Format Disk Simulates a format of the hard drive by writing zeros to the entire disk Serial ATA drives are formatted at the factory and do not need to be formatted again Caution Formatting destroys all data on the drive Be sure to back up your data...

Page 76: ...mance Otherwise the RAID tends to be limited in capacity and performance to that of the smallest and slowest drive The Adaptec 1210SA supports up to two drives therefore only RAID 0 and RAID 1 arrays are supported These array types are described below In addition to RAID capability the Adaptec 1210SA supports a simple volume configuration which consists of a single drive that is not part of an arr...

Page 77: ...pying or mirroring all data from one drive onto a second drive This mirroring provides redundancy ensuring that if one drive fails no data is lost Redundancy also means that only half of the total capacity is available RAID 1 offers no write performance advantage over a simple volume configuration However because the drives share read load equally RAID 1 provides improved read performance RAID 0 D...

Page 78: ...nvironmental Specifications Note Forced airflow is recommended but not required Voltage 5 V 10 Ripple and noise 50 mV peak to peak maximum Adaptec 1210SA 1 A maximum Ambient temperature 0 C to 50 C Relative humidity 10 to 90 noncondensing Altitude up to 3 000 meters ...

Page 79: ...O performance See also container segment volume spanned volume RAID 0 RAID 1 Also known as a container array initialization See initialize ATA AT Bus Attachment Standard parallel interface to IDE hard disks typically used in desktop computers and some entry level servers Serial ATA SATA is a successor to parallel ATA which is sometimes referred to as PATA available space segment Unused space on an...

Page 80: ...n of a redundant array The array is accessible throughout RAID 1 copies the contents of the primary drive to a secondary drive See also clear bus See channel C cache Fast access memory on the controller 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 ...

Page 81: ...ainer See array D dead partition See failed dedicated hot spare Component that can take the place of a failed component only on the fault tolerant array to which it is explicitly assigned degraded A redundant for example a RAID 1 array in which one or more members have failed The data is intact but redundancy has been compromised Any further failure would cause the array to fail and result in data...

Page 82: ...rrors event notification Process for transmitting events F failed State of a non redundant array that has suffered a single drive failure or a redundant array that has suffered multiple drive failures A failed array is inaccessible and data is lost failed segment A segment that is no longer usable by an array because it is either logically bad and therefore no longer needed or physically damaged f...

Page 83: ...is one which has been created but for some reason the initial build operation did not complete All member drives are present and operational and all data written to the array is protected To optimize the array run a Verify with Fix Task initialize Process of preparing a disk for use by the controller When a disk is initialized the controller records the RAID signature on the disk initialized array...

Page 84: ... disk M migration See reconfiguration mirrored array mirroring See RAID 1 monitoring Process of receiving displaying and logging system events O offline array Array that can no longer be accessed optimal The state of an array when it is fully operational For redundant arrays the entire array is protected P partition See segment phantom object Object that represents a component that cannot be confi...

Page 85: ...oss its respective drives in equal sized sections called stripes RAID 0 arrays are not redundant RAID 1 Single level array consisting of two equal segments residing on two different drives Provides redundancy by storing identical copies on two drives See also mirrored array mirroring RAID signature The area on each disk reserved for use by the RAID controller RAID volume Concatenates two or more a...

Page 86: ...In other words when the software creates an array it automatically converts space into segments A segment is always part of a logical device and cannot be used by more than one logical device at a time Serial ATA SATA A successor to ATA that uses a serial instead of parallel interface simple volume A volume made up of disk space from a single disk It can consist of a single region on a disk or con...

Page 87: ...ions for example initializing a disk or verifying an array Some tasks can take an extended period of time particularly if the RAID controller is also performing intensive data I O while the task is running V verify Low level check that a drive logical device or hot spare is good In a RAID 1 verify is a low level check that contents of both members segments are consistent and optionally corrects er...

Page 88: ...th Milpitas Boulevard Milpitas CA 95035 USA 2003 Adaptec Inc All rights reserved Adaptec and the Adaptec logo are trademarks of Adaptec Inc which may be registered in some jurisdictions Part Number 513587 06 Ver AB JG 05 03 ...

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