Dell 3 Figure 3-5 displays an example of a RAID 50 array.

52 RAID Levels

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Figure 3-5 displays an example of a RAID 50 array.

Figure 3-5. RAID 50 Array

Segment 1

Segment 6

Parity (9-10)

Disk 1 Disk 2 Disk 3 Disk 4 Disk 5 Disk 6

Data Flow

RAID 5

Segment 2

Parity (5-6)

Segment 9

Parity (1-2)

Segment 5

Segment 10

Segment 3

Segment 8

Parity (11-12)

Segment 4

Parity (7-8)

Segment 11

Parity (3-4)

Segment 7

Segment 12

RAID 0

Contents

Main ____________________ July 2002 P/N 5C229 Rev. A04 Safety Instructions General When Using Your Computer When Working Inside Your Computer Protecting Against Electrostatic Discharge Page Page Contents 1Overview 2Introduction to RAID 3RAID Levels 4PERC 3/SC Features 5PERC 3/DC and PERC 3/DCL Features 6PERC 3/QC Features 7Configuring PERC 3 8PERC 3/SC Hardware Installation 9PERC 3/DC or PERC 3/DCL Hardware Installation 10 PERC 3/QC Hardware Installation 11 PERC 3 BIOS Configuration Utility 12 Dell Manager 13 Troubleshooting Page Figures Page Tables Page Page Page Page PERC 3 Overview PERC 3 Features SCSI Channels Non-volatile Random Access Memory (NVRAM) and Flash Read- only Memory (ROM) SCSI Connectors Single-Ended and LVD SCSI Buses Maximum Cable Length for SCSI Standards SCSI Bus Widths and Maximum Throughput Operating System Support Page Page RAID Definition PERC 3 Host-Based RAID Solution Components and Features Physical Array Logical Drive Fault Tolerance Consistency Check Disk Striping Page Disk Mirroring Disk Spanning Spanning for RAID 10 or RAID 50 Parity Hot Spares Disk Rebuilds Hot Swap SCSI Drive States Logical Drive States Enclosure Management Page Overview Selecting a RAID Level RAID 0 44 RAID Levels Figure 3-1 displays an example of a RAID 0 array. Figure 3-1. RAID 0 Array RAID 1 RAID 5 Page RAID 10 Page RAID 50 Page 52 RAID Levels Figure 3-5 displays an example of a RAID 50 array. Figure 3-5. RAID 50 Array PERC 3/SC Features Page SMART Technology Configuration on Disk Configuration The PERC 3/SC hardware architecture features are shown in Table 4-3. The PERC 3/SC array performance features are shown in Table 4-4. PERC 3/SC Fault Tolerance Features The PERC 3/SC fault tolerance features are shown in Table 4-5. The PERC 3/SC software utilities are shown in Table 4-6. Operating System Drivers PERC 3/SC Specifications The PERC 3/SC specifications are shown in Table 4-7. Page Page Page Page Page Page SMART Technology Configuration on Disk Table 5-3 displays the PERC 3/DC and PERC 3/DCL hardware architecture features. Table 5-4 displays the PERC 3/DC and PERC 3/DCL array performance features. Fault Tolerance Features Table 5-5 lists the fault tolerance features. Table 5-6 lists the software utilities. Table 5-7 lists the PERC 3/DC and PERC 3/DCL specifications. PERC 3/DC and PERC 3/DCL Specifications Page PERC 3/DC and PERC 3/DCL BIOS Onboard Speaker Serial Port SCSI Bus SCSI Connectors SCSI Termination Page PERC 3/QC Features Page Configuration on Disk Table 6-3 lists the PERC 3/QC hardware architecture features. Table 6-4 lists the array performance features. Fault Tolerance Features The fault tolerance features are listed in Table 6-5. The software utilities are listed in Table 6-6. PERC 3/QC Specifications The PERC 3/QC specifications are listed in Table 6-7. Page Page Page Page Configuring PERC 3 Configuring SCSI Physical Drives Current Configuration Use Table 7-2 to list the devices that you assign to each SCSI ID for SCSI Channel 1. Use Table 7-3 to list the devices that you assign to each SCSI ID for SCSI Channel 2. Use Table 7-4 to list the devices that you assign to each SCSI ID for SCSI Channel 3. Logical Drive Configuration Use Table 7-5 to list the details for each logical drive that you configure. Page Physical Device Layout Use Table 7-6 to list the details for each physical device on the channels. Page Page Configuring Arrays Arranging Arrays Creating Hot Spares Creating Logical Drives Configuration Strategies Maximizing Capacity Maximizing Drive Availability Maximizing Drive Performance Assigning RAID Levels Configuring Logical Drives Optimizing Data Storage Data Access Requirements Array Functions Planning the Array Configuration Using the Array Configuration Planner Random Array Deletion Overview Configuration Module Page Page PERC 3/SC Hardware Installation 103 PERC 3/SC Card Layout Figure 8-1 shows the PERC 3/SC card, jumpers, and connectors. Figure 8-1. PERC 3/SC Card Layout 1Unpack the PERC 3/SC controller and inspect for damage. Step 1Unpack J1 Termination Enable Page Page Page Page Page Page Page Step 6Connect SCSI Cables Step 7Set Target IDs Step 8Power On Host System Step 9Run PERC 3 BIOS Configuration Utility or WebBIOS Utility Step 10Install Operating System Software Drivers Page Page PERC 3/DC or PERC 3/DCL Hardware Installation 119 PERC 3/DC Card Layout Figure 9-1. PERC 3/DC Card Layout 120 PERC 3/DC or PERC 3/DCL Hardware Installation PERC 3/DCL Card Layout Figure 9-2. PERC 3/DCL Card Layout Step 1Unpack the PERC 3/DC or PERC 3/DCL J2, and J3 Termination Enable J9 Onboard BIOS Enable Page J14 SCSI Activity LED J16 and J18 TERMPWR Enable Page Step 5Install the PERC 3/DC or PERC 3/DCL Controller Page Step 6Select and Set Target IDs for SCSI Devices Step 7Connect SCSI Cables Page Step 8Power On Host System Step 9Run the PERC 3 BIOS Configuration Utility or WebBIOS Configuration Utility Step 10Install Operating System Software Driver Replacing a PERC 3/DC Containing a BC Chip with a PERC 3/DC Containing a BE Chip Using Driver 5.22.1 or 5.22.2 and Firmware 161J or 161N Using Driver 5.30 and Firmware 1.70 Page Page Page PERC 3/QC Hardware Installation 135 PERC 3/QC Card Layout Figure 10-1 displays the PERC 3/QC card and jumpers. Figure 10-1. PERC 3/QC Card Layout Step 1Unpack the PERC 3/QC Controller Page J2, J3, J5, and J7 Termination Enable J9, J10, J11, and J12 TERMPWR Enable Page Page SCSI Termination Page Page Page Step 6Connect SCSI Cables Step 7Set Target IDs Step 8Power on Host System Step 9Run the PERC 3 BIOS Configuration Utility or WebBIOS Configuration Utility Step 10Install Operating System Driver Page PERC 3 BIOS Configuration Utility Configuration On Disk Starting the PERC 3 BIOS Configuration Utility BIOS Configuration Utility Menu Options Configure Menu Initialize Menu Objects Menu Page Page Page Channel Battery Information Forma t Menu Rebuild Menu Check Consistency Menu Configuring Arrays and Logical Drives Choosing the Configuration Method Easy Configuration New Configuration View/Add Configuration PERC 3/QC and PERC 3/DC Default Settings PERC 3/SC and PERC 3/DCL Default Settings Reserved Disk Space during Configuration Designating Drives as Hot Spares Using Easy Configuration Page Page Page Using New Configuration Page Page Page Page Page Using View/Add Configuration Page Page Page Page Initializing Logical Drives Batch Initialization Individual Initialization Deleting Logical Drives (Random Array Deletion) Formatting Physical Drives Media Errors Formatting Drives Page Rebuilding Failed Disk Drives Manual Rebuild Rebuilding an Individual Drive Manual Rebuild Batch Mode Using a Pre-loaded SCSI Drive As-is Exiting the PERC 3 BIOS Configuration Utility Setting Hardware Termination Clustering Cluster Mode Enabling and Disabling the Cluster Mode Page Dell Manager Starting Dell Manager Management Menu Options Using Dell Manager in Red Hat Linux GUI Mode Dell Manager Menu Options Initialize Menu Objects Menu Logical Drive Logical Drive Settings Physical Drive Physical Drive Menu Table 12-6 displays the options in the physical drive menu. Page Forma t Menu Rebuild Menu Check Consistency Menu Reconstruct Menu Designating Drives as Hot Spares Parameters Initializing Logical Drives Batch Initialization Individual Initialization Deleting Logical Drives (Random Array Deletion) Formatting Physical Drives Media Errors Formatting Drives Rebuilding Failed Disk Drives Manual Rebuild Rebuilding an Individual Drive Manual Rebuild Batch Mode Exiting Dell Manager Page Overview BIOS Boot Error Messages Table 13-2 explains the error messages that can display when there is an error during bootup. > Page Other BIOS Error Messages Table 13-3 explains the other BIOS error messages that can display. Other Potential Problems Table 13-4 describes other items that might cause problems. Audible Warnings Page Page Page One-Year Limited Warranty (U.S. Only) Page Two-Year Limited Warranty (U.S. Only) Page Limited Warranty Coverage During Year Two Page Three-Year Limited Warranty (U.S. Only) Limited Warranty Coverage During Years Two and Three Page Four-Year Limited Warranty (U.S. Only) Limited Warranty Coverage During Year One Limited Warranty Coverage During Years Two, Three, and Four Page One-Year Limited Warranty (Canada Only) Page Two-Year Limited Warranty (Canada Only) Page Limited Warranty Coverage During Year Two Three-Year Limited Warranty (Canada Only) Page Limited Warranty Coverage During Years Two and Three "Total Satisfaction" Return Policy (U.S. Only) One-Year End-User Manufacturer Guarantee (Latin America and the Caribbean Only) Page Glossary Page Page Page Page Page Page Page Page Page Index A B C D E F G H I L M N O P S T V W