[linux-lvm] Resizing underlying LVM partition after cloning to bigger disk

[John Drescher]

On Fri, Mar 4, 2011 at 5:05 PM, John Drescher <drescherjm at gmail.com> wrote:
> On Fri, Mar 4, 2011 at 4:49 PM, Koen Vermeer <koen at vermeer.tv> wrote:
>> On 03/03/2011 06:25 AM, Scott Arthur wrote:
>>>  1      32.3kB  296MB   296MB   primary   ext4         boot
>>>  2      296MB   1000GB  1000GB  extended
>>>  5      296MB   1000GB  1000GB  logical                lvm
>>> I'm obviously wanting to expand the LVM partition to fill the
>>> remaining 1TB of space.
>>
>> I'm just a regular LVM user and maybe I'm misunderstanding you, but why
>> not simply add partition #2 as a physical volume? I thought that was one
>> of the advantages of LVM: not having to worry about that kind of thing.
>>
> LVM pvresize is safe. I have done this many times at work. Even with >
> 10TB physical volumes. There is one potential problem if your pv has 2
> metadata areas however it will inform you and in this case it will
> refuse to resize instead of causing breakage.
>

BTW, I did not mention but the fix for this is in the works.

John