Re: LVM - How to resize a volume group?

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On 05/27/2008 08:08 AM, Dejan Čabrilo wrote: 
On Sun, May 25, 2008 at 7:40 PM, Dejan Čabrilo <dcabrilo@xxxxxxxxx> 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
You'll have to delete /dev/sda2 using fdisk - that's what I use - and then create a new smaller /dev/sda2. Just be careful not to make it smaller than your physical volume. Then you can make /dev/sda3 from the free space you have. Normally I use dd to backup my partition table first, but yours is so small that you could just as easily write it down on a scrap of paper. If you mess things up, you can recover by booting from a liveCD (eg knoppix) and restoring your partition table to its original state.

John
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