Re: Forget Raid

Karl Larsen wrote:

I was sent a good paper by John Urish in 2006 titled Software RAID-1 and it is VERY GOOD :-)

It is complete and it tells me how to rewrite grub.conf, fstab and initrd so my computer can boot and work with raid :-(

Forget it. I am not this interested in RAID!

You don't need to do anything to initrd for raid-1. Since the underlying partition is almost the same as a non-raid filesystem, you can pretend that each /boot is a stand-alone partition as far as booting goes. There are some tricks to make the 2nd drive boot if the 1st fails, but on IDE it's probably not worth the trouble because most disk failure modes will hang the machine until you remove it - and at that point you might as well swap the mirror into the 1st position, boot the rescue CD, and reinstall grub. Still beats restoring from a backup and losing a day's work.

The guys paper assured me that I will not boot again without all those changes if I make my current partition fd. There is so much yes and no about things I can't and do not want to learn by bitter experience.

I don't know what all the changes are, but you don't need a new initrd unless you are switching to a different disk controller. You do need grub installed on the new drive, thinking that it is booting from the individual partition holding one of the /boot mirrors and
mounting root from the new /dev/md? device.

--
Les Mikesell
lesmikesell@xxxxxxxxx

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