[dm-devel] Re: New read-balancing patch for dm-raid1.c

[Jonathan E Brassow]

good suggestion.  I'll look into this.

  brassow

On Oct 12, 2006, at 9:46 AM, Alasdair G Kergon wrote:

> On Wed, Oct 11, 2006 at 10:33:14AM -0500, Jon Brassow wrote:
>> This patch adds read balancing.  The round-robin method is the first
>> to be implemented, but provisions are made for others to be 
>> implemented
>> in the future.
>
> My first thought in looking over this is that it ought to share the 
> existing
> dm-round-robin module used by multipath (which is already more 
> flexible than
> this as paths can be weighted).  It looks fairly straightforward to do 
> this.
> (And we certainly shouldn't confuse people by having 'roundrobin' in 
> one
> part of dm and 'round-robin' in another!)
>
> When we implement more complex load balancing policies, there seems 
> little
> point doing everything twice, once for multipath and once for 
> mirroring:-)
>
> Alasdair
> -- 
> agk at redhat.com