Hello all,
I'm currently building a new small cluster with three nodes, each node
having 4x 1 Gbit/s network interfaces available and 8-10 OSDs running
per node.
I thought I assign 2x 1 Gb/s for the public network, and the other 2x 1
Gb/s for the cluster network.
My low-budget setup consists of two gigabit switches, capable of LACP,
but not stackable. For redundancy, I'd like to have my links spread
evenly over both switches.
My question where I didn't find a conclusive answer in the documentation
and mailing archives:
Will the OSDs utilize both 'single' interfaces per network, if I assign
two IPs per public and per cluster network? Or will all OSDs just bind
on one IP and use only a single link?
I'd rather avoid bonding the NICs, as if one switch fails, there would
be at least one node unavailable, in worst case 2 (out of 3)
...rendering the cluster inoperable.
Are there other options I missed? 10 GE is currently out of our budget ;)
Thanks,
Sven
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