I’m using Node-RED on Cerbo-GX to control my Multiplus 2. Was working fine, I could change adapt my flows, but now I got a message I can’t understand and solve. [2025-05-31 21.30 4659] I changed the flow and then used to “Deploy” - however the error appeared, entirely out of the blue. Does any …

Might be a filesystem error that led to /data being remounted read-only. If you login via ssh and look at dmesg and mount, you should be able to see that.

When I try to access via Putty, I can’t read the dir/files below ! [2025-06-10 11.56 4698]

Okay, I tried a bit more around, and “discovered” how to display hidden files in WinSCP (Just click on hidden files, down right corner). However, I think the above mentioned files are readwrite - or do I get something wrong: [2025-06-10 12.25 4699]

Those are just the file permissions – If you have a filesystem error, the read-only flag is applied at the filesystem level, regardless of what the file permissions say. And the above message “sudo: input/output error” indicates your flash storage is defective, either hardware or software. Time to …

I got the hint to delete “flows.json” and “.flow.json.backup” and recopy from back-up on node-red level. I gona try, when needed next time and will report. Thanks for the moment.

Cerbo GX Node-RED liefert Fehlermeldung "Error saving flows: EROFS"

Node-RED

JuniorPV 10 June 2025 09:58 3

When I try to access via Putty, I can’t read the dir/files below !

Nach Firmwareupdate auf 3.50 kein Zugriff auf Node Red und das Dashboard

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Cerbo GX Node-RED liefert Fehlermeldung "Error saving flows: EROFS"

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