[linux-lvm] raid and lvm

SI Reasoning si at mindspring.com
Tue Jan 28 11:34:01 UTC 2003


On Tue, 2003-01-28 at 07:53, Goetz Bock wrote:
> On Tue, Jan 28 '03 at 05:03, SI Reasoning wrote:
> > I was reading back in 1999 mailing list about trying to merge in some
> > raid functions into lvm. Did this ever happen?
> except for striping (some call it RAID0) it did not happen
> 
> > Is it possible to use lvm to safeguard data (like raid 5) so that if a
> > hard drive fails, the data is picked up by another volume group/or
> > parts of the volume group not on the failed drive?
> Why do people always want to bloat everything? LVM is one funcunality
> and RAID a different one, you can layer tham as you please and get the
> benefit of both with out any efford. So why should anyone integrate
> them.
> 
I was following an old list and at that time they felt that it would be
more efficient to merge either lvm into raid or vice-versa.

> I know that the device mapper allows to add RAID5 functionality, but in
> a different way (not as part of LVM, but as a plugin into DM)
what is DM? Is this part of lvm2 or is it in 1.0.6 (or earlier)? Is
there a how-to for creating raid5 through this plugin?


-- 
SI Reasoning <si at mindspring.com>
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