LVM - How to resize a volume group?

[Dejan Čabrilo]

On Sun, May 25, 2008 at 7:40 PM, Dejan Čabrilo <dcabrilo at gmail.com> wrote:
>> You'll have to shrink the PV first before resizing the partition.. see the
>> pvresize man page.

Right, so I shrunk the PV, and I want to shrink /dev/sda2.

What's the safest way to do it?
Can parted accomplish it, or should I delete a partition in fdisk and
then create a smaller one? (the second option scares the hell out of
me!)

Also, are there any gotchas to watch for?

Thanks,
Dejan