[Gllug] Server setup

Jan Kokoska kokoskaj at seznam.cz
Mon Dec 13 17:59:22 UTC 2004


On Mon, 2004-12-13 at 08:11 +0000, Martin A. Brooks wrote:
> George Wright wrote:
> 
> >How does one go about setting up a RAID-1 mirroring array between the 2 80GB 
> >IDE drives? Do I install as normal on one drive then set up the RAID or do I 
> >need to do it when I actually install?
> >  
> >
> 
> The disk partitioning tool will allow you to do this during the install 
> process.  I'm not sure I'd recommened booting from software RAID, 
> though, it could make recovery a little tricky.

Oh yes?

The partition contents is *exactly* the same, the only difference is
partition type which none of the recovery tools care about anyway (it is
there for raid tools).

So you can yank off either of the mirrored disks any time you like
(preferably not when it's rebuilding, rare ;) and use anywhere without
raid tools etc as normal boot/root disk.

That is the whole beauty of Linux SW RAID! If it fails, you can degrade
safely.

Jan

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