[Linux-HA] backup node thinks master is dead (fwd)

[Alan Robertson]

Jon Neher wrote:
> Please ignore my last message.  Foolish iptables problem.
> 
> However, I'm interested in how to make my failover more reliable
> since I can't use the one serial port on each machine since it's
> hooked up to the console manager.  I do have dual nics on both
> machines being used for heartbeat though.

Failover should be reliable with dual NICS.

To make it complete (and resistant to scheduler bugs, etc.) you might also 
want to configure/use a STONITH device to guarantee that split-brain 
basically never occurs.



-- 
     Alan Robertson <alanr at unix.sh>

"Openness is the foundation and preservative of friendship...  Let me claim 
from you at all times your undisguised opinions." - William Wilberforce