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List:       drbd-user
Subject:    Re: [DRBD-user] bonding driver
From:       Alan Robertson <alanr () unix ! sh>
Date:       2004-02-21 18:00:23
Message-ID: 40379CB7.3090801 () unix ! sh
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Philipp Reisner wrote:
> Am Mittwoch, 4. Februar 2004 21:45 schrieb Ward Horner:
> 
>>Has anyone ever used DRBD with the linux Bonding driver?
>>(/usr/src/linux-2.4/Documentation/networking/bonding.txt).I'm getting
>>somewhat strange results. For some reason, the primary node comes up as a
>>secondary and the secondary node comes up as the primary (ie the secondary
>>node serves the DRBD disk).
>>
>>Normally when a primary node fails and the secondary node takes over, when
>>the primary node comes back on-line, it automatically takes back control
>>from the secondary node. This automatic take-over does not occur when using
>>the bonding driver. Fail over to the backup server works fine, but it never
>>changes back when the failed node comes back on-line.
>>
>>When I remove the bonding driver from the system, then DRBD again works as
>>expected.
> 
> 
> Failovers/failbacks/switchovers are heatbeat's business.

For versions < 1.2.0, make sure you have nice_failback on
For versions >= 1.2.0, make sure you have auto_failback off


-- 
     Alan Robertson <alanr@unix.sh>

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


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