Zookeeper, etcd support multiple IPs but datastore.newClient only takes one.

[alfredr]

Zookeeper, etcd support multiple ips but datastore.newClient only takes one.

This can cause inability to restart docker if the Zookeeper or etcd peer specified in kvstore argument goes down -- even if the other n-1 are up.

Further it appears that this list is the complete list of alternate backends that go-zookeeper/etcd client libraries will try in the event of a failure, meaning that if only one is specified it constitutes a single point of failure.

[mavenugo]

Thanks for reporting the issue. we will take a look at this

[GordonTheTurtle]

@alfredr It has been detected that this issue has not received any activity in over 6 months. Can you please let us know if it is still relevant:

• For a bug: do you still experience the issue with the latest version?
• For a feature request: was your request appropriately answered in a later version?

Thank you!
This issue will be automatically closed in 1 week unless it is commented on.
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