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Want to raid (mirror) an existing drive : REDHAT

S

smp

Diamond Member
Hi all
I'm about to go out to get a matching 40 gig drive for the one that is currently in my redhat box. I don't have a raid controller, or onboard raid or anything (Abit KT7A non raid) ... but I understand that you can do mirroring without a raid controller (software) .. my question, is can I add the second hard drive and then raid it without having to lose any data off of the first hard drive? probably not eh?
Is it hard to setup? I've never done it .... I think I noticed that in the redhat install there were some raid options during format/partition part .. any help/suggestions would be appreciated, thanks.
 
This HOWTO is a little dated, but I *think* the setup it's describing is still the basic software RAID for Linux. The way I read it, the creation of the md device will wipe any existing data on the partition, so I don't think you'll be able to keep your old installation without backing it up somewhere. I haven't done Linux software RAID either, but hopefully this gets you started...
 
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