[linux-lvm] Differences between LVM1 and LVM2

Joe Thornber joe at fib011235813.fsnet.co.uk
Thu Nov 21 05:40:01 UTC 2002

On Thu, Nov 21, 2002 at 01:22:26PM +0200, Samuli Suonpaa wrote:
> between DM and LVM2 or how I should set up my system. Something
> similar to LVM-HOWTO, I mean.

DM is the kernel driver, LVM2 is a userland application that uses DM
to set up the volumes.

> Should I do most things just like I'm used to with LVM tools
> (pvcreate, vgcreate, lvcreate and then just mount) or should I use
> dmsetup for something - and for what?

You don't need dmsetup - think of dmsetup as an alternate (and very
simple) volume manager that uses DM.

> My laptop and my home-server are both running Debian Testing. Packages
> lvm2-1.95.10-2 andf dmsetup-0.96.04-2 and libdevmapper0-0.96.04-2 are
> available, both packaged by Andres Solomon. I guess I'd have to
> install these? Will these work with - for instance - kernels
> 2.4.20-rc1-ac4 and 2.5.47-ac6 or should I patch my kernels?

The packages you mention should work with those two kernels.

- Joe

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