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

[Olivier]

2015-12-30 17:48 GMT+01:00 Fligor, Debbie <fligor at illinois.edu>:

>
> > On Dec 29, 2015, at 7:57, Olivier <oza.4h07 at gmail.com> wrote:
> >
> > 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 was talking about the local data file cached on the slave, not the file
> it makes on the master.  It’s the local perl module on the slave that is
> having the problem when it launches.
>
>
> Yes: removing the (empty) file /var/lib/smokeping/data.cache allowed my Pi
smokeping slave to start at last !

Thank you very for pointing me in the right direction !
(I sent hours checking master's files ownership and modes and forgot to
check slave local cache).

Thanks again !


>
> >
> > I added a slave changing a line from "slaves=foo" to "slaves=foo bar" in
> /etc/smokeping/config.d/Targets
> > 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 ?
>
> Sorry, that’s beyond my knowledge of how the code works (I’m not a
> programmer).  If finding the local cache file on the slave and removing
> that doesn’t help, you’ll likely have to wait for more people reading this
> listserv to be back from their holiday breaks.
>
> -debbie
>
> >
> >
> > 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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> > smokeping-users at lists.oetiker.ch
> > https://lists.oetiker.ch/cgi-bin/listinfo/smokeping-users
>
> --
> -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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