Got it !!
Thank you for the advice.
I will restore it via disklabel.
> El 04/07/2017, a las 23:28, Ted Unangst escribió:
>
> Manuel Solis wrote:
>> My question is:
>> I know that i am missing some step to fulfill the shrinking process
>> but in the FAQ there is only a way to grow fs and i didn’t find the
>> shrinking fs, and in the book says that i should move the partition, well it
>> does not say it but i figured out with the information in there,
>> is there another way to fix my mistake so i could work with the new fs
>> size?
>> (Or there is a rule that no FFS could be shrinked, only growed)
>
> OpenBSD does not have any tools to shrink a filesystem. Changing the disklabel
> doesn't change the filesystem.
>
> *IF* you didn't write anything to the space that used to be your filesystem,
> you should be able to change the disklabel back to the way it was before.