On Wednesday, May 8, 2013, Gandalf Corvotempesta wrote: > Let's assume 20 OSDs servers and 4x 12 ports switches, 2 for public > network and 2 for cluster netowork > > No link between public switches and no link between cluster switches. > > first 10 OSD servers connected to public switch1 and the other 10 OSDs > connected to public switch2. The same apply for cluster network. > > 1 HP c7000 chassis with 4x 10GbE connected to public network (2x10 for > each pubic switch) > > All mons will be connected (if needed) to both switches > > Will ceph able to load share across both switches with no interswitch link? > What I would like to do is avoid a stackable switch (too expansive) > and start with smaller switch and then adding ports when needed > without loosing redundancy or performance. > > Interconnectinc public switches will result in at least 2 lost ports > and a bottleneck when traffic is routed across that link. >
What's your goal here? If the switches are completely isolated from each other than Ceph is going to have trouble (it expects a fully connected network), so I think the answer to your question I "no". But maybe you mean something else and I'm just missing it. :) -Greg -- Software Engineer #42 @ http://inktank.com | http://ceph.com
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