On Tue, 2008-01-29 at 09:41 -0800, Ray Charles wrote:
>
> Hi,
>
> I am wondering if this is normal due to the use of
> multicast in openais.
>
> My network consists of 2 trunked layer2 switches and 2
> nodes(aka 2 node cluster) each with 2 nics that are
> configured as a bonded interface,mode 1.
>
> I have link lites on the switch ports i use. They stay
> lit until i start cman up. Then all the ports blink
> madly. It doesn't seem to impact the traffic, but i am
> wondering if all the chatter is necessary?
>
>
> -tia
>
Openais checks periodically for other split networks in the system.
This option can be tuned via the "merge" option which is set in
milliseconds. This can be overriden in the cluster.conf file. Chrissie
can probably describe how to do this - I'm not immediately sure of the
option.
Here is the man page info:
merge This timeout specifies in milliseconds how long to wait
before
checking for a partition when no multicast traffic is
being
sent. If multicast traffic is being sent, the merge
detection
happens automatically as a function of the protocol.
The default is 200 milliseconds.
>
>
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