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Re: [linux-lvm] RAID & LVM



On Tue, Jun 25, 2002 at 05:19:41PM +0100, William Blunn wrote:
> > I know it seems to be a very old question, but I can't find in 
> > the previous messages, the answer for that..
> > 
> > Is it possible to use RAID and LVM together? If positive, is 
> > there a HOW-TO telling something about it?
> 
> Yes it works well.
> 
> Use the standard RAID stuff to make a raid device, say /dev/md0, then create a PV (LVM Physical Volume) on that, then make a VG (LVM volume group) out of that PV, then create LVs (LVM Logical Volumes) in the VG.
> 
> Then (unless you have some other use for them), create filesystems in the LVs.
> 
> I use LVM over RAID1 on ATA disks using Ultra-ATA mode 4 (66 MB/s) or higher.
> 
> > LVM will support mirroring someday?

We've got a mirroring target already in device-mapper, which is the generic
volume mapping driver used by our LVM2 tools (please check it out
at www.sistina.com).
Final (L)GPLed release planned for July.

We will support mirroring directly further down the LVM2 road later this year.

> 
> Not AFAIK.
> 
> Bill
> -- 
> William H. Blunn - <bill+s 9sfuw6uo tao-group com> - Developer Support
> Tao
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> read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html

-- 

Regards,
Heinz    -- The LVM Guy --

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen Sistina com                           +49 2626 141200
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