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Chapter 10: Solving Problems l55
If the controller fails to rebuild the array, check that the cables, disk drives, and controllers are
properly installed and connected. Then, if necessary, use Adaptec Storage Manager to rebuild
the array. For instructions, refer to the Adaptec Storage Manager User’s Guide or online Help.
Failure in Multiple Arrays Simultaneously
If the disk drive failure in more than one array at the same time (one failure per array), and the
arrays are protected by hot spares, the controller rebuilds the arrays with these limitations:
● A hot spare must be of equal or greater size than the failed disk drive it’s replacing.
● Failed disk drives are replaced with hot spares in the order in which they failed. (The array
that includes the disk drive that failed first is rebuilt first, assuming an appropriate hot
spare is available-see bullet above).
If there are more disk drive failures than hot spares, see Failed Disk Drive Not Protected by a Hot
Spare in previous section.
Disk Drive Failure in a RAID 0 Array
Because RAID 0 volumes do not include redundancy, if a disk drive fails in a RAID 0 array, the
data can’t be recovered.
Correct the cause of the failure or replace the failed disk drives. Then, restore your data (if
available).
Multiple Failures in the Same Array
If more than one disk drive fails at the same time in the same RAID 1 array, the data can’t be
recovered.
Correct the cause of the failure or replace the failed disk drives. Then, restore your data (if
available).
In some instances, RAID 10 arrays may survive multiple disk drive failures, depending on
which disk drives fail. For more information, refer to the Adaptec Storage Manager User’s Guide
or online Help.
Resetting the Controller
This section explains how to reset (or flash) your Adaptec HostRAID controller. You may want
to do this if the controller becomes inoperable, or if a firmware upgrade is unsuccessful.
To reset your Adaptec HostRAID controller:
1 Download the firmware version currently installed on your controller from
www.adaptec.com.
2 Extract the downloaded files to a folder on your local hard drive (for example,
C:\Download\Drivers).
3
Create a bootable MS–DOS floppy disk and copy
the AFU.exe file to it. Copy the first
firmware image to the same floppy disk.
4 Create additional bootable MS–DOS floppy disks and copy each additional firmware
image to its own floppy disk.
- 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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