Hi,

On Wed, May 07, 2008 at 10:08:42AM -0400, Rob Morin wrote:
> Hello all....
>
> Last night i was performing a test of the fail over, to do the test i 
> simply brought down  eth0(used for replication and heartbeat, eth1 is 
> public stuff)  now the secondary came up pretty quick, however the primary 
> also stayed up??

It's called split-brain. Why should the first node (primary) come
down? If you want that to happen deploy stonith. There's
documentation at linux-ha.org about split-brain and why it's bad
and how to prevent it from disrupting your services or toasting
your data.

Thanks,

Dejan

> I had to do a /etc/init.d/heartbeat stop in order for the 
> primary to come down,  then the secondary machine was ok except for a 
> couple mysql issues.....  when i restarted heartbeat on the primary 
> services went back to the primary, but drbd was not connect and i saw a 
> split brain in the logs.....
> Any ideas as to why the primary did not come down?  what should i be 
> checking in the logs...
>
> I am using an older heartbeat & drbd as we stick with whatever Debian 
> uses....
> heartbeat 2.0.7
> drbd  8.0.7
>
> Thanks to all
>
>
>
> -- 
>
> Rob Morin
> Dido Internet Inc.
> Montreal,Canada
> http://www.dido.ca
> 514-990-4444
>
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> See also: http://linux-ha.org/ReportingProblems
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