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Failover problems
 

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dhoskinson at eng

Jun 29, 2009, 8:12 AM


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Failover problems

I must be missing something here I hope someone can help. I have a
master/slave setup using latest openais/pacemaker/drbd. System starts up
perfectly and if I shutdown slave, primary notices status change and also
notices when slave reconnects. If I shutdown master, drbd and services
transfer to slave and all works well.

The problem as I see it, is that when the master comes back on line it
reassumes the drbd and services however I am left with a split brain for the
drbd. I get split brain messages in logs, and primary machine shows
primary/unknown in the cat/proc/drbd. And Slave shows slave/unknown. I am
able to manually reconnect the drives as been suggested earlier but this
doesn't seem to be the "normal" way in my way of thinking or am I wrong with
this. Should it be split brain when master takes back over? I want to know
if I am struggling over something I shouldn't be. It just seems to me that
it should seamlessly reconnect without enabling the "automatic" split brain
function in drbd.

Hope this makes sense to someone...


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Subject User Time
Failover problems dhoskinson at eng Jun 29, 2009, 8:12 AM
    Re: Failover problems Darren.Mansell at opengi Jun 29, 2009, 8:37 AM
    Re: Failover problems dhoskinson at eng Jun 29, 2009, 8:53 AM
    Re: Failover problems dhoskinson at eng Jun 29, 2009, 9:24 AM
        Re: Failover problems Darren.Mansell at opengi Jun 30, 2009, 12:28 AM
    Re: Failover problems jjzhang at novell Jun 30, 2009, 10:48 PM

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