Re: Multipath load balancing?

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Some would make a diference between load-balancing and round-robin. The 
currently
available round-robin selector switches paths based on a fix number of 
requests that
have been sent to one path. Quite some time ago I posted a load-level path 
selector
that tries to select a path also based on the number of requests that are 
still being
processed. Unfortunately this also required some changes to the main code 
and
Alasdair hasn't much time to integrate new features.

Regards,
Stefan

SW Linux on zSeries Development & Services
Stefan.Bader@xxxxxxxxxx
----------------------------------------------------------------------------------
  When all other means of communication fail, try words.

dm-devel-bounces@xxxxxxxxxx wrote on 10.05.2006 00:44:56:

> Le mardi 09 mai 2006 à 15:07 -0700, Brad Dameron a écrit :
> > I am rewriting this since I received no answer.
> > 
> > Does DM and Multipath tools now offer load balancing between 2 HBA 
ports
> > to a single SAN? So if I have a 2 port HBA that can both see the same
> > LUN I can setup a multipath device and it will then utilize both paths
> > as one larger single path?
> > 
> To my understanding, it does since day-1 : paths round-robining is the
> one and only load-balancing algo implemented in DM.
> 
> Regards,
> cvaroqui
> 
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> 
> dm-devel@xxxxxxxxxx
> https://www.redhat.com/mailman/listinfo/dm-devel


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