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Re: [linux-lvm] What command do I use to make a PV active?



On Mon, Jul 07, 2003 at 11:37:04AM -0400, Greg Freemyer wrote:
> On Fri, 2003-07-04 at 07:49, Heinz J . Mauelshagen wrote:
> > On Thu, Jul 03, 2003 at 01:05:43PM -0400, Greg Freemyer wrote:
> > >  
> > > Somehow I inactived a PV
> > 
> > Hmm, there's no direct (in)activation of PVs.
> > A bit strange, that both are in diffrent states (they should be either inactive
> > in case the VG is or both active in case the VG got activated).
> 
> This is a lab/test machine.  I have a couple of others that have a
> similar LVM layout, and all of them have hot-swap drives.  I likely
> moved a drive around at the wrong time.

Ah, the  let me assume, that this is the reason why the inactive status
is stored on the PV.

> 
> > 
> > > 
> > > # pvscan
> > > pvscan -- reading all physical volumes (this may take a while...)
> > > pvscan -- inactive PV "/dev/sda3" of VG "TruStore-Data" [53.63 GB / 48.63 GB free]
> > > pvscan -- ACTIVE   PV "/dev/sdb1" of VG "TruStore-Data" [74.54 GB / 13.54 GB free]
> > > pvscan -- total: 2 [128.19 GB] / in use: 2 [128.19 GB] / in no VG: 0 [0]
> > > 
> > > What command do I use to make it active?
> > 
> > If the VG "TruStore-Data" is inactive, "vgchange -ay TruStore-Data" should turn
> > /dev/sda3 active as well.
> 
> It is already active, and I just tried a reboot.  sda3 is still
> inactive.

You might want to create a dummy LV and remove it.
That changes PV state stored on disks.

> 
> > 
> > Is "TruStore-Data" accessable fine (LVs ok) ?
> 
> I have 3 LVs on sdb1, they are working fine.
> 
> I have a copy of my Linux Distro CDs and spare space for sdb1 snapshots
> on sda3.  They are not working.
> 
> Obviously I can recreated the CD copies, but I prefer not to do this.
> 
> Is there something else I can try?
> 
> FYI: None of this data is very important, so I won't complain too loud
> if you ask me to do something and it ends up blowing everything away.
> 
> Thanks
> Greg
> -- 
> Greg Freemyer
> 
> 
> _______________________________________________
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> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

-- 

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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