I have upgraded my Hassbian Home Assistant to a RP3 B+ and have changed my boot device to a USB drive. Please watch this minute video to see my extremely slow response time. I will take any advice necessary to correct this problem, or otherwise everything is going in the trash!! I finally get my first response about 60 seconds into the video. I have spent countless days working on this and am getting nowhere. Thanks in advance for any help.
We cannot tell from that whether there is a problem with dead nodes, the network needs healing, or perhaps a repeater to reduce the number of hops or latency.
If you are going to trash the system, I will gladly pay for shipping to recycle it for you 
Everything was working before I upgraded to the PI3 b+ and changed the boot drive to USB. No dead nodes, have healed and tested the network. Here are my nodes
| Node | Friendly name | Entity name | Zwave device name |
|---|---|---|---|
| 1 | Aeotec ZW090 Z-Stick Gen5 US | zwave.aeotec_zw090_z_stick_gen5_us | zwave.aeotec_zw090_z_stick_gen5_us |
| 6 | Switch on Jim’s dresser - 6 | switch.dome_on_off_plug_in_switch_switch_2 | zwave.dome_on_off_plug_in_switch_2 |
| 8 | Switch behind Jim’s recliner - 8 | switch.dome_on_off_plug_in_switch_switch | zwave.dome_on_off_plug_in_switch |
| 9 | zwave.unknown_node_9 | ||
| 11 | Lori bedroom switch - 11 | switch.inovelli_nzw36_1_channel_smart_plug_w_scene_switch | zwave.inovelli_nzw36_1_channel_smart_plug_w_scene |
| 52 | Linear LB60Z-1 Dimmable LED Light Bulb | light.linear_lb60z_1_dimmable_led_light_bulb_level_11 | zwave.linear_lb60z_1_dimmable_led_light_bulb_7 |
| 35 | Backyard Low Voltage Lights - 35 | switch.ge_14284_outdoor_smart_switch_switch | zwave.ge_14284_outdoor_smart_switch |
| 36 | Entryway light switch controller - 36 | sensor.dome_on_off_plug_in_switch_alarm_level_3 | zwave.dome_on_off_plug_in_switch_3 |
| 37 | Dome Motion Detector Sensor | binary_sensor.dome_motion_detector_sensor | zwave.dome_motion_detector |
| 41 | Garage Workshop - 41 | light.linear_lb60z_1_dimmable_led_light_bulb_level_2 | zwave.linear_lb60z_1_dimmable_led_light_bulb_3 |
| 42 | Back Porch Light - 42 | light.linear_lb60z_1_dimmable_led_light_bulb_level_3 | zwave.linear_lb60z_1_dimmable_led_light_bulb_4 |
| 43 | Middle Garage - 43 | light.linear_lb60z_1_dimmable_led_light_bulb_level_4 | zwave.linear_lb60z_1_dimmable_led_light_bulb_5 |
| 44 | Lori Garage - 44 | light.linear_lb60z_1_dimmable_led_light_bulb_level_6 | zwave.linear_lb60z_1_dimmable_led_light_bulb_6 |
| 45 | Front Gate - 45 | light.linear_lb60z_1_dimmable_led_light_bulb_level_7 | zwave.linear_lb60z_1_dimmable_led_light_bulb_9 |
| 46 | Light Over Front Entry - 46 | light.linear_lb60z_1_dimmable_led_light_bulb_level_8 | zwave.linear_lb60z_1_dimmable_led_light_bulb_10 |
| 48 | Courtyard house - 48 | light.linear_lb60z_1_dimmable_led_light_bulb_level_10 | zwave.linear_lb60z_1_dimmable_led_light_bulb_12 |
| 49 | Dome Siren Switch - 49 | switch.dome_siren_switch_2 | zwave.dome_siren_2 |
There are several missing node numbers there. From what I understand, if the node was defined on the controller & is no longer available it will still try to route through those nodes. I believe, Ideally the node numbers should be consecutive with few to no gaps.
I was able to use Zensys Tools on Windows to reset my controller & rebuild my extremely small network a while back. I do not know it it works with all USB Z-Wave controllers though.
Apparently others have reset the z-stick.
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Thanks! I had a new z-stick lying around so I plugged that in and started adding nodes. It is performing much, much better now. I am in the process of re-adding all my lights, switches, etc, and things have definitely improved.
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I am just new and stumbling along here. I believe the network is supposed to be limited to 4 hops but, of course, less is better.
After you have added all your nodes you are supposed to heal the network.
From my understanding when you add node 2 it only knows about the controller. When you add node 3 it knows about 2 and the controller but 2 does not know about node 3.