RE: Entire disk in PV...

> > I'm trying to setup the partitioning section of my kickstarts in such a
> way that rather than partitioning a disk and using /dev/sdX1 as the PV for
> my root VG, that I can instead use the entire disk.
> >
> > The reason for doing this would be to make PV resizing a bit easier for
> virtual machines.  Otherwise, I must muck around with the partition table
> and blah blah ... not a show-stopper, but potentially dangerous for junior
> admins.
> >
> > I suspect that the functionality just isn't there... but does anyone
> know the magic syntax to get it to use the entire drive (aka. /dev/sdb) as
> a PV during kickstart?
> >
> 
> I think you could easily do this in the "pre" section (I handle all
> partitioning of my disks in the "pre" section).
> 
> One of the things to consider is that by having a single partition
> covering the entire disk, you may be helping junior admins. The partition
> would be labeled as "Used by LVM", where the "whole disk" doesn't give
> clues if it's used or not (looks like an extra/free disk).
> 
> My $0.02.

Oh... I understand that.  But, they would know that /dev/sdb is sacrosanct.  And messing with it would ensure a swift and painful death.  :)

I'm curious to see how handling that in a %pre script would work... if you wouldn't mind submitting an example.

-Andy