[hobbit] Hobbit Client vs netstat and vmstat columns

[Andy France]

henrik at hswn.dk wrote on 13/10/2005 06:39:05 p.m.:

> On Thu, Oct 13, 2005 at 12:30:13PM +1300, Andy France wrote:

> > I've only just started migrating from the BB client to the hobbit
client,
> > starting with my hobbit server.
> >
> > Everything looks fine, except the netstat and vmstat columns are now
> > purple.  The odd thing is that the RRD files are still being updated!

> Hobbit doesn't generate a specific column for the netstat and vmstat
> data - similar to how LARRD worked if you had LARDCOMM=DATA configured
> in your bf-larrd.sh script. You probably had LARRDCOMM=STATUS ...

Oh!  That's probably it :-)  I've dropped the columns and will rely on
trends to view the graphs from now on.

>
> > Also, although my vmstat.rrd file is being generated, the graph is
> > broken.

> It shouldn't break just because of switching from the BB client to the
> Hobbit client. It WILL break, if you migrate your server from BB
> to Hobbit - the BB vmstat data was a terrible mess with different data
> layouts for each operating system, so the format of the vmstat RRD
> files just isn't compatible between BB and Hobbit.

> Any errors in your rrd-data.log (or larrd-data.log) file ?

Only the odd "illegal attempt to update using time" message for various
hosts, nothing specific to errors in vmstat.

This server has only ever run hobbit and not BB.  I have tried removing the
vmstat.rrd file and letting it get re-created but this still results in a
broken graph.

I guess I need to brush up on the rrdtool syntax to check if the data file
looks as it should?

>
> Regards,
> Henrik

Thanks,
Andy.

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