Re: changing uuid of mdadm array
Tim Woodall wrote:
> On Wed, 19 Oct 2022, Lucas Castro wrote:
>
> > The array must be identified somehow, in mdadm, array is by uuid!
> >
>
> And I have two disks, which have the same uuid but are not part of the
> same array.
>
> How do I tell mdadm that they aren't part of the same array?
>
> I can't believe I'm the only person who has cloned a machine by breaking
> a raid1 array.
>
> Or someone who has used dd to clone a disk that they then want to mount
> in parallel with the original
mdadm --zero-superblock --force
can be used, carefully.
You will need to re-add the disk to the new array and let it
sync.
-dsr-
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