Saw I/O errors while delete/create/attach a namespace on nvme device.

[Christoph Hellwig]

On Mon, Nov 06, 2023 at 10:10:33PM -0600, Wen Xiong wrote:
> Hi All,
> 
> I am working on new nvme device and found this: nguid is changed while
> delete/create/attach a namespace, we saw some error messages in linux log.
> 
> Should we see these errors messages since recreating namespaces or are there
> some issues in error path?

What exactly are you doing?  To the Linux host code this looks like the
NGUID changed for an existing namespace.  Are you deleting and
recreating nsid1 rapidly and the controller is assigning a different
nguid?