HP Xw8400 Software RAID in Linux Workstations - Page 2

The Persistent Superblock

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15

Chunk Sizes

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15

Swap Space in a RAID Configuration

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16

Boot Partitions in a Mirrored RAID Configuration

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16

Software RAID and LVM

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19

Section	Page
Introduction	3
RAID Basics	3
RAID Overview	3
Software RAID in Linux	3
Performance and Bottlenecks	4
RAID Levels	4
RAID-Linear: Concatenating Disks	4
RAID-0: Striping	4
RAID-1: Mirroring	5
RAID-2: Error Checking and Correction	6
RAID-3: Byte-Level Striping with Parity Disk	6
RAID-4: Block-Level Striping with Parity Disk	6
RAID-5: Block-Level Striping with Distributed Parity	6
Additional RAID Levels	7
RAID Configuration Strategies	7
Performance	7
Capacity versus Fault-Tolerance	7
Cost	7
RAID Performance Considerations	8
Configuring Red Hat Enterprise Linux with Software RAID	8
Manual Setup of Software RAID Data Partitions	11
Manual Configuration Examples	12
RAID-0	12
RAID-1	12
RAID-5	13
RAID-10	13
Disk Failure and Recovery	14
Spare Disks and Disk Failure	14
Multiple Disk Failure	15
Additional Configuration Information	15
The Persistent Superblock	15
Chunk Sizes	15
Swap Space in a RAID Configuration	16
Boot Partitions in a Mirrored RAID Configuration	16

HP Xw8400 Software RAID in Linux Workstations - Page 2

The Persistent Superblock, Chunk Sizes, Swap Space in a RAID Configuration, Boot Partitions in

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