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SCSI logical drives
Select a SCSI logical drive from the SCSI controller submenu to display the following information. The following
values are valid:
• Status—Shows the status of the physical drive selected.
• OK—The logical drive is in normal operation mode. No user action is required.
• Failed—There are more failed physical drives than the fault tolerance mode of the logical drive can handle
without data loss.
• Unconfigured—The logical drive is not configured. Run the logical drive configuration utility to configure the
logical drive.
• Recovering—The logical drive is using Interim Recovery Mode. In Interim Recovery Mode, at least one
physical drive has failed, but the logical drive’s fault tolerance mode lets the logical drive continue to
operate with no data loss. You should replace the failed drive as soon as possible.
• Ready for Rebuild—The logical drive is ready for Automatic Data Recovery. The physical drive that failed
has been replaced, but the logical drive is still operating in Interim Recovery Mode.
• Rebuilding—The logical drive is currently re-synchronizing the data across the physical drives in the logical
drive.
• Wrong Drive—The wrong physical drive was replaced after a physical drive failure. You must return the
drive incorrectly replaced and replace the failed drive.
• Bad Connection—A physical drive is not responding. Check the cables connecting the physical drive.
• Degraded—The logical drive is in a degraded state.
• Disabled—The logical drive is disabled. The logical drive configuration utility can enable or disable the
logical drive.
• Unknown—The Storage Agents cannot determine the status of this drive. You might need to upgrade your
driver software or Storage Agents.
• Capacity—Displays the size of the logical drive.
• Fault Tolerance—Displays the fault tolerance mode of the logical drive. The following values are valid:
• None—(RAID 0) fault tolerance is not enabled. If a physical drive reports an error, the data cannot be
recovered.
• Mirroring—(RAID 1/RAID 0+1) is the highest level of fault tolerance. It is the only method offering fault
tolerance protection if no more than two physical drives are selected. Drive mirroring creates fault tolerance
by storing duplicate data on two drives. There must be an even number of drives. This is the most costly fault
tolerance method because it requires 50 percent of the drive capacity to store the redundant data.
• Data Guarding—(RAID 4) assures data reliability while using only a small percent of the logical drive
storage capacity. A designated, single physical drive contains parity data. If a drive fails, the controller
uses the data on the parity drive and the data on the remaining drives to reconstruct data from the failed
drive. This allows the system to continue operating with slightly reduced performance until you replace the
drive.
• Distributed Data Guarding—(RAID 5) stores parity data across all the physical drives in the array and
allows more simultaneous read operations and higher performance than data guarding (RAID 4). If a drive
fails, the controller uses the parity data and the data on the remaining drives to reconstruct data from the
failed drive. The system then continues operating with a slightly reduced performance until you replace the
failed drive.
• Enhanced Mirroring—(RAID 1E) is used when there are more than two physical disks. Each mirrored stripe
is written to a disk and is mirrored to an adjacent disk. If a failure is detected, the data is rebuilt using the
data from the mirrored stripes on the other drives.
• Unknown—The Storage Agents cannot determine the fault tolerance of this logical drive. You might need to
upgrade your driver software or Storage Agents.
• Stripe Size—The size of a logical drive stripe or group of data written to a physical drive in kilobytes. It might
be zero in some fault-tolerance modes like None and Mirroring.
• Percent Rebuild Complete—Displays the percent complete of the resynchronization of the data. When the value
reaches 100, the rebuilding process is complete. The logical drive continues to operate with slightly reduced
performance during the rebuild. This value is only active when the logical drive has a status of Rebuilding.
• OS Assigned Name—Displays the operating system name associated with this logical drive.
Physical drives
A list of physical drives that are members of this logical drive. Select one of the listed physical drives to see more
information about the drive.
- HP Insight Management Agents 1
- Contents 3
- Contents 4 4
- Browser requirements 5
- Obtaining JVM from HP.com 6
- Obtaining JVM from Sun 6
- Introduction 8
- Overview 8
- Logging in 9
- System Management Homepage 10
- Header frame 11
- Body frame 13
- Home tab 13
- Settings tab 15
- SNMP Webagent 16
- Security 17
- Tasks Tab 18
- Logs tab 19
- Webapps tab 19
- Support tab 20
- Help tab 20
- 2 Agent information 21
- System Agent 22
- Sub system Classification 23
- Cooling and temperature 24
- Agent information 25 25
- Agent information 26 26
- Memory Summary 27
- Memory Details 27
- Processors 28
- PCI Devices 28
- Management Processor 29
- Battery 30
- Modem/COM Port Settings 30
- Operating System 31
- Logical Disk Space 32
- Server 33
- Agent information 34 34
- Network 35
- Processes 35
- Processor Utilization 36
- Agent information 37 37
- Agent information 38 38
- Agent information 39 39
- Agent information 40 40
- Identify Drives 41
- Physical Drive Information 41
- Agent information 42 42
- Identify Drive 43
- Logical Drive Information 44
- Problem Indicators 45
- Failure Indicators 46
- Statistics 47
- Agent information 49 49
- Associated Tape Drives 51
- Tape Drive Information 51
- Agent information 52 52
- Storage Systems 53
- IDE controllers 54
- IDE controller information 55
- IDE ATAPI devices 55
- IDE ATA disk drives 55
- Logical drives 56
- IDE ATA logical drives 56
- Physical drives 57
- Spare drives 57
- SCSI controllers 57
- Controller information 57
- SCSI device information 58
- Tape library 58
- Tape devices 59
- Agent information 60 60
- CD storage system 61
- CD Library Information 61
- CD-ROM drive information 61
- SCSI physical drives 62
- Drive indicators 63
- Drive statistics 64
- Statistics Preserved 65
- SCSI logical drives 66
- SCSI bus information 67
- System Configuration 68
- System Board 69
- Advanced Memory Protection 70
- Agent information 71 71
- ROM Microcode Patches 72
- General I/O Devices 72
- System Resources 73
- System Summery 73
- Enclosure Information 74
- Agent information 75 75
- Agent information 76 76
- Critical Error Log 77
- Agent information 78 78
- Correctable errors 79
- Power-On Messages 79
- Integrated Management Log 79
- Operating system overview 80
- Summary page 80
- User Information page 81
- File System page 81
- Connection page 82
- Loaded NLMs page 82
- Server Parameter page 83
- Physical Partition page 83
- Adapter Information page 84
- Mass storage RAID Array 85
- Mass Storage Physical 85
- Mass Storage controller 86
- Mass Storage Summary 86
- Environment Monitoring Unit 86
- External Expansion Cabinet 87
- Telephone numbers 88
- Appendix A Troubleshooting 89
- SNMP community string issues 91
- issues 91
- Insight Manager issues 92
- Other problems 94
- Glossary 96
- Glossary 97 97
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