[Drbd-dev] switching between protocols A and C

Lars Ellenberg lars.ellenberg at linbit.com
Wed Apr 11 14:57:16 CEST 2007

On Wed, Apr 11, 2007 at 01:13:32PM +0100, Cristian Zamfir wrote:
> Hi,
> Would it be possible to switch from protocol A to C and vice versa 
> without disconnecting (for instance detach, switch protocol and re-attach)?
> This would be useful when alternating between two primaries (only 
> protocol C can be used) and a primary/secondary configuration where 
> protocol A may increase write throughput on the primary node.

protocol A does _NOT_ increase throughput at all.
it _MAY_ reduce latency somewhat sometimes.

> Right now this behaviour does not seem to be supported but I am 
> interested if you consider it could be implemented easily.

no. and it does not make much sense for me, either.

: Lars Ellenberg                            Tel +43-1-8178292-0  :
: LINBIT Information Technologies GmbH      Fax +43-1-8178292-82 :
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