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Documentation: Add upgrade gotchas/further info for better search visibility

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Andrew Stuart 2017-01-13 15:12:33 -07:00
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Documentation/upgrades/upgrade_3_0.md
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@ -116,4 +116,22 @@ $ ETCDCTL_API=3 etcdctl endpoint health
127.0.0.1:22379 is healthy: successfully committed proposal: took = 18.513301ms
```
## Further considerations
- etcdctl environment variables have been updated. If you find that
`ETCDCTL_API=2 etcdctl cluster-health` works properly but `ETCDCTL_API=3
etcdctl endpoints health` responds with `Error: grpc: timed out when
dialing`, make sure you are using the [new variable
names](https://github.com/coreos/etcd/tree/master/etcdctl#etcdctl).
## Known Issues
- etcd < v3.1 does not work properly if built with Go > v1.7. See [Issue
6951](https://github.com/coreos/etcd/issues/6951) for additional
information.
- If you see an error such as `transport: http2Client.notifyError got notified
that the client transport was broken unexpected EOF.` showing up in your
logs, make sure you are using a pre-built release, or building with (etcd
v3.1+ & go v1.7+) or (etcd <v3.1 & go v1.6.x).
[etcd-contact]: https://groups.google.com/forum/#!forum/etcd-dev