[dm-devel] [QUESTION]: multipath device with wrong path lead to metadata err

[Martin Wilck]

On Thu, 2021-01-28 at 16:27 +0800, lixiaokeng wrote:


>    I don't know why dm-5 is destoried. I doubt there may be some
> issue in the kernel that I add some print. I have test this in
> three computers, but the other two have no problem (they have been
> runing for 96h and for 48h respectively).

It's normal behavior of multipathd to destroy (flush) a map that has no
paths any more, see ev_remove_path(). If all paths are *deleted*, that
is.

Martin