[linux-lvm] LVM Status?

[Heinz Mauelshagen]

On Mon, Sep 26, 2005 at 02:04:58AM +0200, Fredrik Tolf wrote:
> On Sun, 2005-09-25 at 10:15 -0500, Don Shesnicky wrote:
> > How do you check the status of an LVM set of disks in RHEL3 and 4?
> > The LVM FAQ mentions that you should have a /proc/lvm but my default
> > RHEL3 and 4 systems do not have this directory in /proc and doing a
> > Modprobe for lvm-mod does not create one. On an RHEL4 test system I
> > do see an lvm tool but it doesn't show the status. 
> 
> I'm not *sure* about this, but I believe that /proc/lvm was only used
> for LVM 1.0,

True.

> while device-mapper doesn't have such a thing.

True.

> RHEL3 is
> based on a 2.6 kernel, right?

No, RHEL3 is 2.4 based, RHEL4 is based on 2.6.

> 
> How about the userspace tools instead? Try pvdisplay, vgdisplay or
> lvdisplay, depending on what info you want. Or is there some other info
> that you're hunting for?

If you're using LVM2 (ie, running RHEL4), you might want to look
at the output formatable tools pvs, vgs, lvs.

> 
> Fredrik Tolf
> 
> 
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> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

-- 

Regards,
Heinz    -- The LVM Guy --

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Heinz Mauelshagen                                 Red Hat GmbH
Consulting Development Engineer                   Am Sonnenhang 11
Cluster and Storage Development                   56242 Marienrachdorf
                                                  Germany
Mauelshagen at RedHat.com                            +49 2626 141200
                                                       FAX 924446
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