Re: [rrd-users] NaNs caused by NFS

This is a discussion on Re: [rrd-users] NaNs caused by NFS within the RRD Users forums, part of the Networking and Network Related category; Hi Matthew, it could be caused by memorymapping ... try compiling rrdtool without mmap support cheers tobi Today Matthew M. Boedicker ...


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Old 04-22-2008
Tobias Oetiker
 
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Default Re: [rrd-users] NaNs caused by NFS

Hi Matthew,

it could be caused by memorymapping ... try compiling rrdtool
without mmap support

cheers
tobi

Today Matthew M. Boedicker wrote:

> I have solved the problem I was having of my rrd files being mostly NaNs.
> I was doing updates every 5 minutes and logging each one. The data looked
> fine and there were no errors. When I did a fetch or graph it came out mostly
> NaN with a few runs of real data occasionally.
>
> This was fixed by moving the rrd files from an NFS mount to a local partition.
>
> Anyone have a guess as to how NFS could cause this?
>
> Thanks,
> Matthew M. Boedicker
>
> _______________________________________________
> rrd-users mailing list
> rrd-users@lists.oetiker.ch
> https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
>
>


--
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten
http://it.oetiker.ch tobi@oetiker.ch ++41 62 213 9902

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