[Linux-cluster] Adding a node back to cluster failing

[David Teigland]

On Mon, Nov 04, 2013 at 09:31:08AM -0500, Digimer wrote:
> >>> We are having a node two cluster with manual fencing configuration .
> >>
> >> An HA cluster with manual fencing is no cluster at all.
> > 
> > No. It is a cluster. But it provides no high availability.
> 
> Let me echo Zama and Michael.
> 
>   Clusters without real fencing are not supported. Manual fencing was
> dropped because it's not reliable and it is way too easy for mistakes to
> happen.
> 
>   Please add real fencing. Test it to make sure it works. I expect
> things will start working fine then and you will have no trouble joining
> a node back to your cluster.

The dogmatic attitude against manual fencing is disturbing.  It is a
perfectly legitimate and useful way to run a cluster as long as it's used
appropriately and with an understanding of how it works, the limitations
and tradeoffs.

Dave