Does the client track which OSDs are reachable? How does it behave if some are not reachable?
For example:
Cluster network with all OSD hosts on a switch.
Public network with OSD hosts split between two switches, failure domain is switch.
copies=3 so with a failure of the public switch, 1 copy would be reachable by client. Will the client know that it can't reach the OSDs on the failed switch?
Well...thinking through this:
The mons communicate on the public network -- correct? So an unreachable public network for some of the OSDs would cause them to be marked down, which then the clients would know about.
Correct?
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