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Appendix C: Using the ARC Utility ● 71
● The ACU allows you to use drives of different sizes in a RAID 1 or RAID 0. However,
during a build operation, only the smaller drive can be selected as the source drive.
● When migrating from single volume to RAID 0, migrating from a larger drive to a
smaller drive is allowed. However, the destination drive must be at least half the
capacity of the source drive.
● It is not recommend that you migrate or build an array on Windows dynamic disks
(volumes), as it will result in data loss.
5 When you are finished, press Done.
Managing Arrays
Select the Manage Arrays option to perform these tasks:
● Rebuilding Arrays (next section)
● Viewing Array Properties on page 71
● Deleting Arrays on page 72
● Enabling/Disabling Write Cache on page 72
Rebuilding Arrays
Note:
Rebuilding applies to Fault Tolerant arrays (RAID 1) only.
By replacing a failed drive of a RAID 1 array with a new drive, you can rebuild to get the array
to Optimal status and assume fault tolerance. You can perform a rebuild in the following ways:
Note:
If no spare exists and a hard disk drive fails, you need to create a spare before you can
rebuild an array. See Adding/Deleting Hot Spares on page 72 before continuing your rebuild.
● System Shutdown Rebuild
You can power off the computer and replace the failed drive with a new one (of equal or
greater capacity). When the system is booted, you can assign the new drive as a spare, and
this will start the Rebuild task. All the data from the good drive is copied to the new one,
and the original RAID 1 array is recreated.
● Manual Rebuild
a From the Main Menu, select Manage Arrays. From the List of Arrays, select the array
you want to rebuild.
b Press Ctrl+R to rebuild.
Viewing Array Properties
To view the properties of an existing array:
1 From the ACU menu, select Manage Arrays.
2 From the List of Arrays dialog box, select the array you want to view, then press Enter.
The Array Properties dialog box appears, showing detailed information on the array. The
physical disks associated with the array are displayed here.
3 Press Esc to return to the previous menu.
- SAS and SATA 1
- HostRAID Controller 1
- Copyright 2
- Trademarks 2
- Disclaimer 2
- Adaptec Customer Support 3
- Canadian Compliance Statement 5
- Contents 6
- 5 Getting Started 7
- 6 Creating a Bootable Array 7
- 9 Managing Your Storage Space 8
- 10 Solving Problems 8
- A Introduction to SAS 8
- BUnderstanding RAID 8
- C Using the ARC Utility 9
- F Safety Information 10
- G Technical Specifications 10
- Glossary 10
- About This Guide 11
- How to Find More Information 12
- In this chapter 14
- HostRAID Controller Features 15
- External SAS Connector 18
- Internal SAS Connector 18
- 3.3V PCI-X Connector 18
- Mounting bracket 18
- PCIe X1 connector 23
- External SATA connectors 23
- J1 LED Connector 23
- Kit Contents and System 24
- Requirements 24
- Kit Contents 25
- System Requirements 25
- Disk Drives 26
- Before You Begin 27
- Selecting Disk Drives 28
- Selecting SAS Cables 28
- SAS or SATA disk drives 29
- Selecting SATA Cables 30
- Connecting to a Backplane 31
- Disk drives on 32
- Controller connected 32
- Setting the Boot Controller 33
- Next Steps 34
- Getting Started 35
- Choosing a RAID Level 36
- Choosing Installation Options 36
- Basic Installation Steps 36
- Creating a Bootable Array 38
- Creating an Array 39
- Making Your Array Bootable 40
- Creating a Driver Disk 42
- Installing with Windows 42
- Installing with Red Hat Linux 43
- Installing with SUSE Linux 43
- Installing with NetWare 44
- Operating System 45
- Installing on Windows Vista 47
- Installing on NetWare 47
- Managing Your Storage Space 49
- About Adaptec Storage Manager 50
- About the ARC Utility 51
- Which Utility Should I Use? 51
- Solving Problems 52
- Troubleshooting Checklist 53
- Resetting the Controller 54
- Understanding RAID 56
- RAID Technology Overview 57
- RAID 0 (Non-RAID Arrays) 57
- RAID 1 Arrays 58
- RAID 10 Arrays 58
- Selecting the Best RAID Level 59
- Introduction to SAS 60
- What is SAS? 61
- What’s a Phy? 62
- What’s a SAS Port? 62
- What’s a SAS Address? 63
- What’s a SAS Connector? 63
- What do SAS Cables Look Like? 63
- Direct-Attach Connections 64
- Backplane Connections 64
- SAS Expander Connections 64
- SAS DomainSAS Domain 65
- Using the ARC Utility 67
- Running the ARC Utility 68
- Creating and Managing Arrays 68
- RAID Via 69
- When Appropriate 69
- Managing Arrays 70
- Adding/Deleting Hot Spares 71
- Using SerialSelect 72
- SerialSelect Options 73
- Using SATASelect 74
- SATASelect Options 75
- Locating Disk Drives 76
- Identifying Disk Drives 76
- Viewing the Event Log 77
- In this Appendix 78
- Compatibility Information 79
- Introduction 79
- Running the AFU 80
- A:\> AFU HELP 81
- A:\> AFU /? 81
- Connector Reference 86
- Aggregate LED signals only 87
- Pin Number Signal Description 89
- Safety Information 91
- Technical Specifications 92
- Environmental Specifications 93
- DC Power Requirements 93
- Current Requirements 93
- Glossary ● 96 95
- Glossary ● 97 96
- Glossary ● 98 97
- Glossary ● 99 98
- Glossary ● 100 99
- Index ● 95 101
- Index ● 96 102
- Milpitas, CA 95035 USA 103
- Adaptec, Inc 103
- 691 South Milpitas Boulevard 103
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