Flows disappear when restarting Raspberry pi

General
1

How do I keep flows from disappearing when I power down or restart my Rpi? I don't know how to recover a flow. This doesn't seem to be consistent. I can work on a flow add nodes create functions etc. If I close my browser and re-open many times the flow that I have just worked on is gone?

DB

2

When you press the Deploy button - Node-RED should update your flows.json file on the Pi that NR is running on.

What I have experienced - is that if the the SD card goes into read-only mode (as its worn out) when I actually restart my Pi - the flows are gone.

They don't go until the filing system is restarted as changes are held in RAM so you don't notice that the SD-card is in a failure mode until the filing system is restarted

Doesn't sound exactly your experience but I'd blame the Pi hardware/OS software rather than Node-RED if experiencing such issues

3

Thanks I am going to watch for that. I will post results.

DB

4

Add some nodes to your flow and deploy, then look in your .node-red folder and check the timestamp on the flows file is showing the time you deployed, and note the file size. Then do a power cycle (not just a reboot, a power off, wait a minute, and power on again). Then check the file timestamp and size. If it has gone back in time then chuck the SD card in the bin and start again.

5

I was not always deploying changes prior to closing window. Thanks for the tip.

Loon

6

The browser should have warned you that you were closing it with unsaved changes. Did that not happen?

7

It did not! I am using FireFox on most systems. I will need to pay more attention to that.

Loon

8

So if you, for example, move a node and then close the window you don't get a warning?

9

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