[CentOS-docs] HowTo/RAID/convert non-RAID CentOS 5 system tosoftware RAID1 using rescue mode

Marcus Moeller

mail at marcus-moeller.de
Tue Apr 28 18:09:42 UTC 2009


Hi Ed.

>>> Does documentation exist describing how to convert a simple, single disk
>>> non-RAID CentOS 5 system to software RAID1 using the CentOS install
>>> CD/DVD
>>> as a rescue disk?
>>>
>>> (Assuming not) Is there a need for such?
>>>
>>> (Assuming need) I volunteer to produce it.
>>
>>Maybe you could get in contact with Phil Schaffner who is currently
>>writing a SoftwareRaidonCentOS HowTo:
>>
>>http://wiki.centos.org/HowTos/SoftwareRAIDonCentOS5
>
>  This page appears to be How To install CentOS 5 on software RAID 1 using
> mostly graphical tools.
>
>>We should first clear this up a bit.
>>
>>Then we could create a new page for non-RAID to RAID migration.

^ ^ ^

>  I'm proposing a page to describe how to convert a running CentOS 5 system
> (though not while it is running) that was previously installed without RAID
> to a RAID 1 system using the CentOS install disk in rescue mode.  Since
> rescue mode is text based, there would be lots of differences.  There is a
> little overlap, mostly concepts.  I plan on including LVM, though I find LVM
> very annoying.

That's what I have read from your previous posting.

>  I don't see any conflict or duplication between his page and my proposed
> page.  Actually, I see the pages as complimentary.
>
>  If Phil is going to broaden the scope of his page, then, of course, I
> would withdraw my request.  However, I would recommend against having too
> much on a single page.

I agree on that and that's what I have written before. We just need to
ensure the quality of the 'simple' RAID1 page, before starting a new
one.

Best Regards
Marcus



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