OZW_Log.txt

valdoison · Post by **valdoison** » Wednesday 03 February 2016 9:52

Hello
it seems that the OZW_Log.txt file is reset only during a reboot of DOMTICZ.
Can we reset this file manually or via a script?

stlaha2007 · Post by **stlaha2007** » Wednesday 03 February 2016 10:28

Hi,
What do you mean by reboot. Stop/Start/Restart only Domoticz or complete reboot of RPi or other device?

In case of complete hardware reboot, try a restarting Domoticz only. If that also "recycles" OpenZWave log, search the forum for logrotate.

A few and i wrote working samples to rotate (reduce/compress/recycle) domoticz logfile.

Grtz,
Stephan

valdoison · Post by **valdoison** » Friday 05 February 2016 11:54

Hello,
I just want to know if I can, safely, empty the file manually.

nayr · Post by **nayr** » Friday 05 February 2016 13:29

yes you can, if you have Z-Wave debug enabled disable it for a much smaller file.

Egregius · Post by **Egregius** » Friday 05 February 2016 13:34

you can empty it safely with this:

truncate -s 0 OZW__Log.txt

I have /var/log in tmpfs and OZW_Log.txt, ozwcp.poll.XXXXXX.xml and ozwcp.topo.XXXXXX hardlinked there. Saves quite some writes to the SD.

valdoison · Post by **valdoison** » Sunday 07 February 2016 12:00

I did a test.
If I empty the file, manually without restart Domoticz, it remains empty and is not incremented by the errors as normally.
it seems that the only solution is to restart Domoticz.
I have not found if there is a "Logrotate" associated with that file.

valdoison · Post by **valdoison** » Sunday 07 February 2016 18:44

As soon as you touch it, even a single line, the file is blocked and recorded more errors.
I have to restart Domoticz.

nayr · Post by **nayr** » Sunday 07 February 2016 19:02

try sending a SIGHUP signal to domoticz instead of a hard restart.. thats how my logrotate scripts force domoticz to start a new file.

valdoison · Post by **valdoison** » Monday 08 February 2016 8:19

I do not know how to do it.
I comprises the use. How to make this call in a shell script run by cron or if the file exceeds 5000 lines for example.
What files are then revived?
I'd rather be alone OZW_Log.txt revived.

nayr · Post by **nayr** » Monday 08 February 2016 17:25

http://bfy.tw/49Q7

gizmocuz · Post by **gizmocuz** » Monday 08 February 2016 19:31

i think this will only work for the domoticz log file

Valdoison:
You are probably debugging something with OZW, otherwise you did not enable it to log.
When your done, just turn off debugging

Egregius · Post by **Egregius** » Monday 08 February 2016 21:50

Just tried it again with "truncate -s 0 OZW__Log.txt"
File is emptied and starts filling automatically without any other action.

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