[CentOS] Re: A question about RAID and partitions

Tue May 22 18:34:56 UTC 2007
Ross S. W. Walker <rwalker at medallion.com>

> -----Original Message-----
> From: centos-bounces at centos.org 
> [mailto:centos-bounces at centos.org] On Behalf Of Scott Moseman
> Sent: Tuesday, May 22, 2007 2:30 PM
> To: CentOS mailing list
> Subject: Re: [CentOS] Re: A question about RAID and partitions
> On 5/22/07, Scott Silva <ssilva at sgvwater.com> wrote:
> >
> > > How do you create several RAID devices if you only have 2 drives?
> > > Is there a way to create virtual RAID sets?  That sounds 
> too scary.
> >
> > You create raid devices over partitions that don't span the 
> entire drive.
> >
> Why would this be a configuration that someone would want to do?
> So you can have both a 0 (performance) and 1 (redundancy) on the
> same physical drives, depending on your partition?  Just seems odd.

Sometimes it's unavoidable, like the 100MB /boot partition which needs
to standalone and be a raid0 or raid1, but the rest of the drive can
participate in a raid5 or raid6...


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