On Mon, Nov 16, 2020 at 12:19:35PM +0100, Bobby wrote:

> My question is: Can we use this *rbd-nbd* tool in the Ceph cluster? By Ceph
> cluster I mean the development cluster we build through *vstart.sh* script.
> I am quite sure we could use it. I have this script running. I can *start*
>  and *stop* the cluster. But I am struggling to use this rbd-nbd tool in
> the development cluster which we build through vstart.sh script.

Sure. Running this from the build directory should just work:

  sudo ./bin/rbd-nbd map $pool/$image
  ./bin/rbd-nbd list-mapped
  sudo ./bin/rbd-nbd unmap $pool/$image

Doesn't it work for you?

--
Mykola Golub