Dell PERC 4/DC Manual do Utilizador

Dell™PowerEdge™ExpandableRAIDController4/SC,4/DC,and4e/DCUser's Guide Overview RAID Controller Features Hardware Installation Configurin

Installation Steps This section provides instructions for installing the RAID controllers. Step 1 Unpack the Controller  Unpack and remove the

 Table 3-1.PERC4/SCJumperandConnectorDescriptions Figure 3-2. PERC 4/DC Controller Layout   Table 3-2.PERC4/DCJumperandConnector

Figure 3-3. PERC 4e/DC Controller Layout   Table 3-3.PERC4e/DCJumperandConnectorDescriptions (Dirty Cache LED) device. Optional. J4 SCS

Step 4 Install the RAID Controller  Perform the following steps to install the controller: 1. Select a PCI slot for PERC 4/SC or PERC 4/DC, or a

Step 5 Connect SCSI Cables and SCSI Devices Connect the SCSI cables to the SCSI connectors and SCSI devices. Connect SCSI Devices Perform the

Step 6 Set Target IDs Set target identifiers (TIDs) on the SCSI devices. Each device in a channel must have a unique TID. Non-disk devices should ha

Step 8 Start the System Replace the system cover and reconnect the AC power cords. Turn power on to the host system. Set up the power supplies so t

 Table 3-6.FirmwareInitializationStates Step 9 Run the BIOS Configuration Utility or Dell Manager Press <Ctrl><M> when prompted d

Back to Contents Page Configuring the RAID Controller Dell™PowerEdge™ExpandableRAIDController4/SC,4/DC,and4e/DCUser'sGuide Configu

In this example, data is striped across the disks until 40 GB on Disks A, B, and C are completely full. This leaves 20 GB of disk space on Disk C. Dat

Back to Contents Page Overview Dell™PowerEdge™ExpandableRAIDController4/SC,4/DC,and4e/DCUser'sGuide Overview of PERC 4/SC, 4/DC, a

Device Configuration The following contain tables you can fill out to list the devices assigned to each channel. The PERC 4/SC controller has one ch

 Table 4-5.ConfigurationforSCSIChannel1 Setting Hardware Termination  The SCSI bus is an electrical transmission line and must be terminate

Hot Spares Any hard drive that is present, formatted, and initialized, but is not included in an array or logical drive, can be designated as a hot

Logical Drive Configuration Use Table4-6 to list the details for each logical drive that you configure.  Table 4-6.LogicalDriveConfiguration

Table 4-7.PhysicalDrivesRequiredforEachRAIDLevel Summary of RAID Levels RAID 0 uses striping to provide high data throughput, especially f

Figure4-2 shows the example of a RAID 50 span with three RAID 5 arrays of different sizes. (Each array can have from three to 14 hard disks.) Data is

Back to Contents Page   Storage space  RAID 0, RAID 5  Data redundancy  RAID 5, RAID 10, RAID 50  Hard drive performance and throughput  

Back to Contents Page BIOS Configuration Utility and Dell Manager Dell™PowerEdge™ExpandableRAIDController4/SC,4/DC,and4e/DCUser'sGui

1 Logical Drive found on the Host Adapter Adapter BIOS Disabled, No Logical Drives handled by BIOS 0 Logical Drive(s) handled by BIOS Press <

l <Shift><2> for <F2> l <Shift><3> for <F3> l <Shift><4> for <F4> l <Shift><5&g

Back to Contents Page RAID Controller Features Dell™PowerEdge™ExpandableRAIDController4/SC,4/DC,and4e/DCUser'sGuide Hardware Requi

The drive displays as HOTSP. 5. Save the configuration. Objects Menu 1. On the Management Menu select Objects—> Physical Drive. A physical

Using Easy Configuration In Easy Configuration, each physical array you create is associated with exactly one logical drive. You can modify the fol

13. Set the Read Policy. 14. Set the Cache Policy. 15. Press <Esc> to exit the Advanced Menu. 16. After you define the current logica

The Select Configurable Array(s) window appears. It displays the array and array number, such as A-00. 6. Press the spacebar to select the array. 

Hot key information appears at the bottom of the screen. 2. Press the arrow keys to highlight specific physical drives. 3. Press the spacebar to

23. Press any key to continue, then respond to the Save prompt. 24. Initialize the logical drives you have just configured. See Initializing Lo

 To delete logical drives, perform the following steps: 1. Select Objects—> Logical Drive from the Management Menu. The logical drives displa

Manual Rebuild – Rebuilding an Individual Drive 1. Select Objects—> Physical Drive from the Management Menu. A device selection window display

The pre-loaded drive should now become an array element. 7. Press <Enter>. You have now declared the pre-loaded drive as a one-disk array.

A progress graph for each selected logical drive displays. 6. When the check is finished, press any key to clear the progress display. 7. Press &l

 Cache Memory 64 MB of cache memory resides in a memory bank for PERC 4/SC and 128 MB for PERC 4/DC and PERC 4e/DC. The RAID controller supports w

Back to Contents Page Troubleshooting Dell™PowerEdge™ExpandableRAIDController4/SC,4/DC,and4e/DCUser'sGuide General Problems BIOS

BIOS Boot Error Messages Table6-2 describes error messages about the BIOS that can display at bootup, the problems, and suggested solutions.  Tab

Other Potential Problems Table6-3 describes other problems that can occur.  Table 6-3.OtherPotentialProblems Cache Migration To move cache

3. Transfer the cache to the new controller and connect the drives in the same order as they were connected on the previous adapter. This ensures

Back to Contents Page Appendix A: Regulatory Notice Dell™PowerEdge™ExpandableRAIDController4/SC,4/DC,and4e/DCUser'sGuide FCC Notic

l Product name: Dell PowerEdge Expandable RAID Controller 4 Controller l Company name: Dell Inc. Regulatory Department One Dell Way Round Rock,

Back to Contents Page 

Back to Contents Page Overview Dell™PowerEdge™ExpandableRAIDController4/SCand4/DCUser'sGuide Overview of PERC 4/SC and 4/DC Docum

Back to Contents Page RAID Controller Features Dell™PowerEdge™ExpandableRAIDController4/SCand4/DCUser'sGuide Hardware Requirements

Cache Memory 64 MB of cache memory resides in a memory bank for PERC 4/SC and 128 MB for PERC 4/DC. The RAID controller supports write-through or wr

 Configuration Features Table2-3 lists the configuration features for the RAID controller.  Table 2-3.ConfigurationFeatures 1Hotswapofdri

Table2-3 lists the configuration features for the RAID controller.  Table 2-3.ConfigurationFeatures Firmware Upgrade You can download the lat

Table2-4 lists the drive roaming features for the RAID controller.  Table 2-4. Features for Drive Roaming Drive Migration Drive migration is th

Table 2-7.ArrayPerformanceFeatures Fault Tolerance Features Table2-8 describes the fault tolerance capabilities of the RAID controller.  Tab

l Red Hat Linux See the CERC and PERC RAID Controllers Operating System Driver Installation Guide for more information about the drivers. SCSI Fir

Back to Contents Page Hardware Installation Dell™PowerEdge™ExpandableRAIDController4/SCand4/DCUser'sGuide Requirements Quick Inst

Unpack and remove the controller and inspect it for damage. If the controller appears damaged, or if any items listed below are missing, contact your

PERC 4/DC Jumpers and Connectors Figure 3-2. PERC 4/DC Controller Layout   Table 3-2.PERC4/DCJumperandConnectorDescriptions With jumper

Step 4 Install the RAID Controller Perform the following steps to install the controller: 1. Select a 3.3-V PCI slot and align the controller PCI

4. The host controller has a SCSI ID of 7. 5. Connect the cable to the devices.  Cable Suggestions System throughput problems can occur if t

Step 8 Start the System Replace the system cover and reconnect the AC power cords. Turn power on to the host system. Set up the power supplies so

Drive roaming occurs when the hard drives are changed to different channels on the same controller. When the drives are placed on different channels,

The BIOS Configuration Utility prompt times out after several seconds. The host controller number, firmware version, and cache SDRAM size display in

Step 11 Install the Operating System Driver Operating system drivers are provided on the Dell OpenManage Systems Management CD that accompanies your

Back to Contents Page Configuring the RAID Controller Dell™PowerEdge™ExpandableRAIDController4/SCand4/DCUser'sGuide Configuring SCS

Logical drive number/ drive number   Manufacturer/model number   Firmware level   Target ID   Device type   Logical drive nu

Device Configuration The following contain tables you can fill out to list the devices assigned to each channel. The PERC 4/SC controller has one ch

Setting Hardware Termination  The SCSI bus is an electrical transmission line and must be terminated properly to minimize reflections and losses. T

5. Select the RAID level, cache policy, read policy, and write policy. 6. Save the configuration. 7. Initialize the system drives. 8. Insta

Assigning RAID Levels Only one RAID level can be assigned to each logical drive. Table4-5 shows the minimum and maximum number of drives required.

Optimizing Data Storage Data Access Requirements Each type of data stored in the disk subsystem has a different frequency of read and write acti

Back to Contents Page BIOS Configuration Utility and Dell Manager Dell™PowerEdge™ExpandableRAIDController4/SCand4/DCUser'sGuide Sta

Array Performance Features Table2-6 displays the array performance features for the RAID controller.  Table 2-6.ArrayPerformanceFeatures Faul

0 Logical Drive(s) handled by BIOS Press <Ctrl><M> to Enable BIOS For each controller in the host system, the firmware version, dynami

Configuring Arrays and Logical Drives 1. Designate hot spares (optional). See Designating Drives as Hot Spares in this section for more informati

The selected drive displays as HOTSP. Creating Arrays and Logical Drives Configure arrays and logical drives using Easy Configuration, New Configur

In Easy Configuration, each physical array you create is associated with exactly one logical drive. You can modify the following parameters: l RAID

 17. Repeat step 2 through step 16 to configure another array and logical drive. The RAID controller supports up to 40 logical drives per control

 7. Repeat step2 through step6 to create another array or go to step8 to configure a logical drive. 8. Press <F10> to configure a logica

The selected drive changes from READY to ONLIN A[array number]-[drive number]. For example, ONLIN A2-3 means array 2 with hard drive 3. 4. Add physi

Drive Roaming Drive roaming (also known as configuration on disk) occurs when the hard drives are changed to different channels on the same controll

 To delete logical drives, perform the following steps: 1. Select Objects—> Logical Drive from the Management Menu. The logical drives displa

Table 5-2. Rebuild Types Manual Rebuild – Rebuilding an Individual Drive 1. Select Objects—> Physical Drive from the Management Menu. A devic

The RAID controller firmware handles all RAID and SCSI command processing and supports the features described in Table2-8.  Table 2-8.SCSIFirmwar

You have now declared the pre-loaded drive as a one-disk array. 8. Set the Read Policy and Cache Policy on the Advanced Menu. 9. Exit the Advance

Reconstructing Logical Drives A reconstruction occurs when you change the RAID level of an array or add a physical drive to an existing array. Perfo

Back to Contents Page Troubleshooting Dell™PowerEdge™ExpandableRAIDController4/SCand4/DCUser'sGuide General Problems BIOS Boot Er

BIOS Boot Error Messages Table6-2 describes error messages about the BIOS that can display at bootup, the problems, and suggested solutions.  Tab

Other Potential Problems Table6-3 describes other problems that can occur.  Table 6-3.OtherPotentialProblems Cache Migration To move cache

See RAID Controller Features for information about the jumper to set to clear NVRAM. l Make sure that the configuration data on the disks is intact.

Back to Contents Page Appendix A: Regulatory Notice Dell™PowerEdge™ExpandableRAIDController4/SCand4/DCUser'sGuide FCC Notices (U.S.

l Product name: Dell PowerEdge Expandable RAID Controller 4 Controller l Company name: Dell Inc. Regulatory Department One Dell Way Round Rock,

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Back to Contents Page Glossary Dell™PowerEdge™ExpandableRAIDController4/SC,4/DC,and4e/DCUser'sGuide A •C •D •F •G •H •I •L •

Back to Contents Page Hardware Installation Dell™PowerEdge™ExpandableRAIDController4/SC,4/DC,and4e/DCUser'sGuide Requirements Qu

Disk Subsystem A collection of disks and the hardware that connects them to one or more host systems. The hardware can include an intelligent controll

Multi-threaded Having multiple concurrent or pseudo-concurrent execution sequences. Used to describe processes in systems. Multi-threaded processes al

SCSI (small computer system interface) A processor-independent standard for system-level interfacing between a system and intelligent devices, includi