[Ocfs2-users] Could several different ocfs2 volume share a same lockspace?

Eric Ren zren at suse.com
Tue May 10 07:47:58 PDT 2016


Hello,

On 05/06/2016 09:30 PM, Goldwyn Rodrigues wrote:
>>
>> I'm surprised several different ocfs2 volumes have the same UUID, and
>> DLM use disk UUID as lockspace's name which means they share same 
>> lockspace!
>>
>> Did you ever see this? Is it possible for different volumes share same
>> lockspace? why?
>>
>
> Two possiblities:
>
> 1. Multipathing
> 2. User replicated the disk image.
>
> Otherwise no. Not possible (in the limits of pseudo-randomizations)

Aha,  you experts give the same answer! Thank all of you, Joseph, 
Junxiao and Goldwyn!

Eric





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