[smokeping-users] Master-Slave: Magic number checking on storable file failed

Olivier oza.4h07 at gmail.com
Tue Dec 29 14:57:18 CET 2015

I've got currently 4 slaves sending data to a single master.
On this master, data is stored in /var/lib/smokeping.
A /var/lib/smokeping/ __sortercache subdir exists with one file per probe

I added a slave changing a line from "slaves=foo" to "slaves=foo bar" in
and then changing ownership of files in /var/lib/smokeping.

Now files for new bar slave have the same properties than its sibling foo
slave files.
I also removed each *.storable file in /var/lib/smokeping/ __sortercache

Still, smokeping refuses to start on my Raspi slave with the same old :
Magic number checking on storable file failed at
/usr/lib/arm-linux-gnueabihf/perl/5.20/Storable.pm line 381, at
/usr/share/perl5/Smokeping/Slave.pm line 70.

My master and slave do not have the same architecture (one  is x86_64, the
other is armv7l).
Could it be a root cause ?

2015-12-28 21:06 GMT+01:00 Fligor, Debbie <fligor at illinois.edu>:

> I’m pretty sure I hit this a couple of month ago working on getting a
> smokeping slave running on Pidora, but google isn’t letting me find the
> answer that helped me when I search with your error message.  If I am
> recalling correctly, I had to remove an existing data_FPing.cache file in
> the /opt/smokeping/data directory (your path will probaby be different),
> and then it worked again. I only have FPing probes, so this may not be the
> exact file you need to remove.
> Other threads on that error show Storable.pm having issues with 0-length
> files.
> Hopefully this helps you narrow down the problem.
> -debbie
> > On Dec 28, 2015, at 8:00, Olivier <oza.4h07 at gmail.com> wrote:
> >
> > Hello,
> >
> > I'm configuring my first Master-Slave setup.
> >
> > I've got one Beaglebone Black and one Raspberry Pi actings as slaves.
> > My master is a remote Debian Jessie box with an Apache 2.4 server
> >
> > If I'm not mistaken, both slaves are configured the same way.
> > Beaglebone Black(Debian Jessie) is working OK.
> > Raspberry Pi smokeping daemon is failing to start with:
> > Magic number checking on storable file failed at
> /usr/lib/arm-linux-gnueabihf/perl/5.20/Storable.pm line 381, at
> /usr/share/perl5/Smokeping/Slave.pm line 70.
> >
> >
> > How can I solve this ?
> >
> > Best regards
> --
> -debbie
> Debbie Fligor, n9dn       Lead Network Engineer @ Univ. of Il
> email: fligor at illinois.edu
> "I have lived most of my life surrounded by my enemies. I would be
> grateful to die surrounded by my friends.” Gamora
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