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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