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# Boot + Root + Raid + Lilo : Software Raid mini-HOWTO

## Michael Robinton, Michael@BizSystems.com

v1.04, July 20, 2000

This document provides a cookbook for setting up root raid using the 0.90 raidtools for bootable raid mounted on root using standard LILO. Also covered is the conversion of a conventional disk to a raid1 or raid5 mirror set without the loss of data on the original disk.

## 1. Introduction

- 1.1 Acknowledgements
- 1.2 Bugs
- 1.3 Copyright Notice

## 2. What you need BEFORE YOU START

- 2.1 Required Packages
- 2.2 Where to get Up-to-date copies of this document.
- 2.3 Documentation -- Recommended Reading
- 2.4 RAID resources

## 3. Bootable Raid

- 3.1 Booting RAID 1 with standard LILO
- 3.2 Detailed explaination of lilo.conf for raid boot

## 4. Upgrading from non-raid to RAID1/4/5

- 4.1 Step 1 - prepare a new kernel
- 4.2 Step 2 - set up raidtab for your new raid.
- 4.3 Create, format, and configure RAID
- 4.4 Copy the current OS to the new raid device
- 4.5 Test your new RAID
- 4.6 Integrate old disk into raid array

## 5. Appendix A. - example raidtab

## 6. Appendix B. - SCSI reference implementation RAID5

## 7. Appendix C. - ide RAID10 with initrd

## 8. Appendix D. - ide RAID1-10 with initrd

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