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The Software-RAID HOWTO

Jakob Østergaard jakob@unthought.net and Emilio Bueso bueso@vives.org

v.1.1.1 2010-03-06
This HOWTO is deprecated; the Linux RAID HOWTO is maintained as a wiki by the linux-raid community at http://raid.wiki.kernel.org/

This HOWTO describes how to use Software RAID under Linux. It addresses a specific version of the Software RAID layer, namely the 0.90 RAID layer made by Ingo Molnar and others. This is the RAID layer that is the standard in Linux-2.4, and it is the version that is also used by Linux-2.2 kernels shipped from some vendors. The 0.90 RAID support is available as patches to Linux-2.0 and Linux-2.2, and is by many considered far more stable that the older RAID support already in those kernels.

1. Introduction

2. Why RAID?

3. Devices

4. Hardware issues

5. RAID setup

6. Detecting, querying and testing

7. Tweaking, tuning and troubleshooting

8. Reconstruction

9. Performance

10. Related tools

11. Partitioning RAID / LVM on RAID

12. Credits

13. Changelog

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