Please help,
When poolserver drop connection with  Opt 1.6.1 miner,
Then mining STOPS and gpu rig CRASHING.
How can i add second RESERV pool to the config?

First drop connect:

 [2017-02-04 12:27:08.594] [error] IO/Error communicating to zec.suprnova.cc
[2017-02-04 12:27:08.598] [error] IO/Error communicating to zec.suprnova.cc
[2017-02-04 12:27:08.598] [error] IO/Error communicating to zec.suprnova.cc
[2017-02-04 12:27:08.599] [error] IO/Error communicating to zec.suprnova.cc
[2017-02-04 12:27:08.600] [error] IO/Error communicating to zec.suprnova.cc
[2017-02-04 12:27:08.600] [error] IO/Error communicating to zec.suprnova.cc
[2017-02-04 12:27:08.601] [error] IO/Error communicating to zec.suprnova.cc
[2017-02-04 12:27:08.602] [error] IO/Error communicating to zec.suprnova.cc
[2017-02-04 12:27:08.602] [error] IO/Error communicating to zec.suprnova.cc
[2017-02-04 12:27:08.603] [error] IO/Error communicating to zec.suprnova.cc
[2017-02-04 12:27:08.604] [error] IO/Error communicating to zec.suprnova.cc
[2017-02-04 12:27:08.604] [error] IO/Error communicating to zec.suprnova.cc
[2017-02-04 12:27:08.605] [error] IO/Error communicating to zec.suprnova.cc
[2017-02-04 12:27:08.617] [info] GPU2 Waiting for work from pool.
[2017-02-04 12:27:08.623] [info] GPU1 Waiting for work from pool.
[2017-02-04 12:27:08.632] [info] Connecting to zec.suprnova.cc:2142.
[2017-02-04 12:27:08.644] [info] GPU0 Waiting for work from pool.
[2017-02-04 12:27:20.676] [error] No such host: zec.suprnova.cc(޲ﲠ 裥񲥭)
[2017-02-04 12:27:20.727] [info] Connecting to zec.suprnova.cc:2142.

Then rig CRASHING.