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l Concatenates n disks as one large virtual disk with a capacity of n disks.
l Data fills up the first disk before it is written to the second disk.
l No redundancy data is kept. When a disk fails, the large virtual disk fails.
l No performance gain.
l No redundancy.
Related Information:
See the following:
l "Organizing Data Storage for Availability and Performance"
l "Controller-supported RAID Levels"
l "Number of Physical Disks per Virtual Disk"
l "Maximum Number of Virtual Disks per Controller"
RAID Level 0 (Striping)
RAID 0 uses data striping, which is writing data in equal-sized segments across the physical disks. RAID 0 does not provide data redundancy.
Figure 3-2. Striping Disks
RAID 0 Characteristics:
l Groups n disks as one large virtual disk with a capacity of (smallest disk size)*n disks.
l Data is stored to the disks alternately.
l No redundancy data is kept. When a disk fails, the large virtual disk fails with no means of rebuilding the data.
l Better read and write performance.
Related Information:
See the following:
- Notes and Cautions 1
- Supported Features 2
- SATA1.5/6ch Controllers 6
- Battery Tasks 10
- Connector Tasks 10
- Physical Disk Tasks 10
- Virtual Disk Tasks 11
- Virtual Disk Specifications 11
- Supported RAID Levels 12
- Enclosure Support 13
- Controller Tasks 13
- Permanently Degraded 26
- Rebuilding 27
- Physical Disks 31
- Other Disk Procedures 32
- Remove Dead Segments 35
- Prepare to Remove 35
- Initialize 36
- Rebuild 36
- Cancel Rebuild 36
- Online and Offline 37
- Revertible Hot Spare 38
- Instant Secure Erase 38
- RAID Controller Batteries 40
- Battery Delay Learn Cycle 43
- BIOS Terminology 44
- Connectors 45
- Connector Health 46
- Connector Information 47
- Connector Components 47
- Connector Properties 47
- Path Health 48
- Related Tasks 49
- Controllers 50
- RAID Controller Features 51
- Read Policy 52
- Write Policy 52
- Cache Policy 52
- Disk Cache Policy 53
- Non-RAID SCSI Controllers 54
- Firmware/Driver Versions 55
- Controller Health 55
- Controller Information 56
- Controller Components 56
- Controller Properties 56
- Set Rebuild Rate 60
- Reset Configuration 61
- Export Log 61
- Set Check Consistency Rate 67
- Set Reconstruct Rate 68
- Set Patrol Read Mode 70
- Start and Stop Patrol Read 71
- Manage Preserved Cache 72
- Manage Security Key 73
- Enclosures and Backplanes 75
- SMART Thermal Shutdown 76
- Enclosure Management 77
- Enclosure Tasks 79
- Set Asset Data 81
- EMM Properties 82
- Fan Properties 83
- Power Supply Properties 83
- Related information: 87
- Getting Started 88
- Displaying the Online Help 89
- Common Storage Tasks 89
- Understanding Hot Spares 91
- 6/I Controllers 91
- S300 Controllers 92
- Required Conditions 96
- Moving the Disks 97
- Overview 105
- Supported Controllers 106
- Supported Enclosures 107
- Storage Health 108
- Storage Component Severity 108
- Alerts or Events 109
- Related Information: 110
- Storage Properties 111
- Global Tasks 111
- Storage Controllers 112
- Storage Components 113
- What Is RAID? 114
- Concatenation 115
- RAID Level 0 (Striping) 116
- RAID Level 1 (Mirroring) 117
- RAID 5 Characteristics: 118
- RAID 6 Characteristics: 118
- RAID 50 Characteristics: 119
- RAID 60 Characteristics: 120
- RAID 10 Characteristics: 121
- No-RAID 123
- Troubleshooting 124
- Replacing a Failed Disk 125
- A Rebuild Does Not Work 127
- Nonredundant Virtual Disks 128
- Virtual Disks 132
- Creating Virtual Disks 134
- Expansion 135
- SATA1.5/2s Controllers 136
- Recommendations 137
- Virtual Disk Properties 138
- Connector 0 146
- Physical Disks Selected 146
- Span Edit 147
- Controllers 149
- Considerations for Format 150
- Virtual Disk Task: Delete 151
- Virtual Disk Task: Rename 151
- Split Mirror 152
- Unmirror 153
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