David Kuntz on 19 Nov 2007 23:21:48 -0000


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Re: [PLUG] LVM Question

  • From: "David Kuntz" <davkntz@gmail.com>
  • To: "Philadelphia Linux User's Group Discussion List" <plug@lists.phillylinux.org>
  • Subject: Re: [PLUG] LVM Question
  • Date: Mon, 19 Nov 2007 18:21:41 -0500
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pvdisplay /dev/sdx


On Nov 19, 2007 4:25 PM, Neill R <nrdevelopment@gmail.com> wrote:
> Is there any way to verify the exact pvid on a certain LUN?
>
> Just curious....
> Thanks
>
>
> On Nov 19, 2007 12:20 PM, Mag Gam <magawake@gmail.com> wrote:
> > you should be ok. LVM (Linux/AIX/Vertias), will create a PVID (Physical
> > Volume ID) on each disk under LVMs control. The device name is irreverent,
> > by the PVID is extremely useful..
> >
> > Goodluck
> >
> >
> >
> >
> > On Nov 19, 2007 5:52 AM, Neill R <neill@nsyd.com> wrote:
> > > thanks guys, that was the answer I was hoping for.
> > >
> > > have a great week!
> > >
> > >
> > > On Nov 19, 2007 8:20 AM, James Barrett <jadoba@jadoba.net> wrote:
> > >
> > >
> > >
> > > > On Mon, Nov 19, 2007 at 08:00:11AM -0500, Neill R wrote:
> > > > > I am concerned that when i reboot the machine my lvm volume groups
> > > > > will get all out of whack since the /dev/sd? devices will be shuffeled
> > > > > around.  Is this a real issue or is LVM have a mechanism to handle a
> > > > > situation like this.
> > > >
> > > > If I am not mistaken, LVM identifies physical disks by their UUID, so
> > > > shuffling block devices should really not be an issue.  If I am wrong,
> > > > someone probably will correct me, so dont try it if someone does :)
> > > >
> > > > -- James
> > > >
> > >
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> > > >
> > > >
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