[CentOS] Two partitions with samd UUID??

[Dennis Jacobfeuerborn]

On 15.06.2015 18:13, John Hodrien wrote:
> On Mon, 15 Jun 2015, jd1008 wrote:
> 
>> Thanx for the update
>> but what about non-gpt and non lvm partitions?
>> What is used as inp
>> nut to create a universally unique id?
>>
>> (Actually, for an id to be universally unique, one would almost
>> nee knowledge of all existing id's.
>> So, I do not have much credence in this universal uniqueness.
> 
> Sufficiently random gets you there, since you're not connecting billions of
> filesystems to a single system.  If you really want to generate them by
> hand,
> feel free, as mkfs.ext4 lets you specify the filesystem UUID.

Or if you are in the situation of the original poster and made a copy
using dd use tune2fs -L and -U to modify label and uuid of the copy.

Regards,
  Dennis