[Linux-cluster] Get qdisk to use /dev/mapper/mpathx devices instead of /dev/dm-x

[Charlie Brady]

On Wed, 5 May 2010, Celso K. Webber wrote:

> In my experience, I tend no to use the label in qdisk specification, 
> because it leads qdisk to use the first device it encounters containing 
> that label.

Your qdisk label should be unique, and you should be controlling 
visibility of qdisks.

> Another case is when the device is not found at all, this 
> happened to me before.

If that happens, you have a bigger problem than just using the qdisk label 
to identify the qdisk, don't you?