[linux-lvm] how to recover after thin pool metadata did fill up?

Spelic spelic at shiftmail.org
Thu Oct 18 13:28:17 UTC 2012

On 10/18/12 12:30, Zdenek Kabelac wrote:
> Dne 17.10.2012 22:21, Andres Toomsalu napsal(a):
>> Hi,
>> I'm aware that thin provisioning is not yet production ready (no 
>> metadata resize) - but is there a way to recover from thin pool 
>> failure when pool metadata was filled up?
> Unfortunately there is no 'easy' advice for now yet - you hit current 
> Achilles heel of thinp support in lvm2 - we are thinking how to make 
> recovery usable for user - but it's not easy task since many things 
> are making it very complex - so it still needs some month of work.

So, supposing one is aware of this problem beforehand, at pool creation
can this problem be worked around by using --poolmetadatasize  to make a 
metadata volume much larger than the default?

And if yes, do you have any advice on the metadata size we should use?

Thank you

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