[mdlug] file copy

[Carl T. Miller]

Adam Tauno Williams wrote:
> On Mon, 2013-12-30 at 09:48 -0600, Bob wrote:
>> The big question is, can I create a vol, add the 2tb drive to it WITH
>> OUT losing any data, add the new 4tb drive and then move the vol 2tb >
>> 4tb?
>
> Absolutely, yes.  I do this all the time.

Adam, enlighten me.  How do you do this?  I thought you had
to run the pvcreate command to join a device to a volume
group, and that the pvcreate would erase whatever former
contents had been there.

c