[Cluster-devel] [PATCH] [DLM] Bind connections from known local address when using TCP

[Lon Hohberger <lhh@redhat.com>]

On Thu, 2007-10-25 at 18:49 -0400, Lon Hohberger wrote:
> A common problem occurs when multiple IP addresses within the same
> subnet are assigned to the same NIC.  If we make a connection attempt to
> another address on the same subnet as one of those addresses, the
> connection attempt will not necessarily be routed from the address we
> want.
> 
> In the case of the DLM, the other nodes will quickly drop the connection
> attempt, causing problems.
> 
> This patch makes the DLM bind to the local address it acquired from the
> cluster manager when using TCP prior to making a connection, obviating
> the need for administrators to "fix" their systems or use clever routing
> tricks.
>