> >> Yes I have zapped all drives before each try...
> >
> > Did you subsequently check for success with `ceph device ls` and
> > `lsblk`?
> >
> > I've found that sometimes the orch zap doesn't succeed fully and one
> > must manually stop and remove LVMs before the drive can be truly
> > zapped.
>
> I think yes, but I will retry.
> Another thing I've never done before, is using encryption.
> Perhaps it adds delays with my config, leading to timeouts...

I don't think it adds relevant delays, but it does make a new volume
inside the crypto container which in itself is inside the LVM so both
of those needs to be closed/removed before zap is going to be useful,
otherwise the kernel retains info about the old devices and thats bad.
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