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# Linux DPT Hardware RAID HOWTO

## Ram Samudrala `(me@ram.org)`

v1.62, August 4, 2004

How to set up hardware RAID under Linux. This HOWTO is now limited to making small changes from version 1.6.

## 1. Introduction

## 2. Supported controllers

- 2.1 DPT controllers
- 2.2 ICP vortex controllers

## 3. What hardware should be used?

- 3.1 Controller type
- 3.2 Enclosure type

## 4. Installation

- 4.1 Installing and configuring the hardware
- 4.2 Configuring the kernel
- 4.3 Bootup messages

## 5. Usage

- 5.1 fdisk, mke2fs, mount, etc.
- 5.2 Hot swapping
- 5.3 Performance

## 6. Features in the EATA DMA driver

## 7. Troubleshooting

- 7.1 Upon bootup, no SCSI hosts are detected
- 7.2 RAID configuration shows up as N different disks
- 7.3 Machine/controller is shut down in the middle of a format
- 7.4 SCSI_ABORT_BUSY errors produced during initial filesystem format
- 7.5 If all fails...

## 8. References

## 9. Acknowledgements

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