[rrd-users] Re: First Attempt... need a little troubleshooting help

[Alex van den Bogaerdt]

Karyn Ulriksen wrote:
> 
> issuing the following command:
> 
>   /usr/local/rrd/bin/rrdtool update /path/to/data/dataset.rrd
> N:3171292321:2667997878
> 
> results in "ERROR: could not lock RRD"
> 
> MY QUESTION:   "why?"  <whining a little>

This would normally indicate that another process has opened
the file.  The rrdtool update program cannot lock the file
exclusively and can therefore not be sure that another program,
or the update program itself, is working with the correct data.

Try "fuser /path/to/data/dataset.rrd" to see if there is indeed
a program accessing that file (maybe a backup program?)

Next time specify rrdtool version, OS type and version and any
other relevant information; this may help others to determine
the problem.

> I'd look at the troubleshooting docs if there were any....

This would certainly NOT be a FAQ...

regards,
-- 
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