Station AM.RB9B8.00.EH[Z,N,E] disappearing form RS StationView every few days

[Mark C]

Hi folks

Have this station running in the proverbial "cabin in the woods",  hoping to catch an ice quake this winter.   

Seems to connect just fine when rebooted, but after a couple days or a week,  RS StationView shows the station as black then it disappears and I get the email "We have not seen your station in a while".   When I Teamviewer in,  the config page shows "connected".   I took a quick peak at the log files,  my Unix/Linux is very rusty but I couldn't see any obvious issues.  Please find attached.

The oddity of the station is that it uses a satellite internet connection (too many trees blocking the local tower).   This causes lags of 0.6 and greater seconds.   Maybe there is a handshaking timeout issue?

I just rebooted the station.    Thanks for your time.

Mark

[Ian Nesbitt]

Hi Mark,

It does look like the station gets disconnected from the server for some reason (see odf_SL_plugin.err). It appears to be the result of a poor connection, but it's difficult to tell from the logs.

Is this a recent problem, or has this been happening since you've been running this station with satellite internet?

Ian

___________

Ian Nesbitt

Raspberry Shake Technical Support Specialist

ian.n...@raspberryshake.org

www.raspberryshake.org

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[Mark Cundict]

Hi Ian,

Pretty much since installed,   a year or so.   Just seems more frequent.   It's always used a Sat connection.

Just tried another reboot.

Mark 

Sent from my BlackBerry 

From: ian.n...@raspberryshake.org Sent: February 25, 2019 3:45 PM To: raspber...@googlegroups.com Reply-to: raspber...@googlegroups.com Subject: Re: [RShake Forum] Station AM.RB9B8.00.EH[Z,N,E] disappearing form RS StationView every few days

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[Ian Nesbitt]

Mark,

Richard is looking into this as it does seem to correspond with some odd server-side behavior where the client thinks it's connected and the server does not, and for some reason nothing gets resolved until you do the reboot as you've been doing. We think it's related to the satellite internet connection somehow, but not sure yet exactly how.

Ian

[Mark Cundict]

Hi Ian

Thanks for the update,  sorry to be the bothersome station.

Appreciate you and Richard's help.

Indeed,  the station config always show's "connected'. 

A mystery.   Please let me know if you need more data from the device.  Your download log files works very well!

Will be away from the PC for most of today.

Mark

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[Ian Nesbitt]

Hi Mark,

No worries at all. We are trying to make this system work in even the most obscure and remote use cases, so the fact that your station tests our boundaries is a good thing!

Ian

[Mark Cundict]

Perfect,  remote and obscure it is!  :) 

Pls let me know if you need anything.

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[Mark C]

Hi Richard and Ian

Just a quick update.   Received the "miss you" message for RB9B8 on Mar 29th.   When I logged into the station today,  all looked to be connected and showed connected for the past 18 or so days.   Version # was 15.   I rebooted the shake and it again appeared on StationView  (wasnt' there when I checked earlier today)

Two weeks is much better than the few days in January and February.   

Thanks.

Mark

[Branden Christensen]

Please send the log files! 

Branden Christensen
CEO, Raspberry Shake
raspberryshake.org (@raspishake)
   

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[ChrisR]

Mark,

   Any idea if you are hitting your higher performance data limits from the service and getting bumped down to

near dial-up speeds after a while?  I may be in a similar situation in the future having to use satellite ISP, so I'm curious.

Chris

[Mark C]

Brandon - Please find attached log files from the restart!    I'll post the files the next time the connection is lost as well.

Chris - A very good idea,  indeed that was a problem before Christmas, however we've tripled the data since.    I'll check with the folks that live there.   They had a very old plan, with the new plan they get triple the data but pay the same.  When we did our back of the envelope calc's,  sorry I can't remember the numbers,  it looked like we only needed to double the data plan.   

[richard boaz]

hi mark,

i had a look at the log files and can report that i have now seen two cases (the first one only a couple of weeks ago) where the following happens:

• client is disconnected from server
• client requests to be reconnected to server
• client receives successfully connected returned message
• server logs indicate no such request was received, nor was a connection made for this client

i will be looking further into this to understand how this discrepency between client and server states can occur in the first place, and how this can be detected and mitigated for in the second.

thanks again for the logs, they are always invaluable.  and apologies for the inconvenience.

richard

On Sat, Mar 30, 2019 at 10:19 PM Mark C <cyq...@gmail.com> wrote:

Brandon - Please find attached log files from the restart!    I'll post the files the next time the connection is lost as well.

Chris - A very good idea,  indeed that was a problem before Christmas, however we've tripled the data since.    I'll check with the folks that live there.   They had a very old plan, with the new plan they get triple the data but pay the same.  When we did our back of the envelope calc's,  sorry I can't remember the numbers,  it looked like we only needed to double the data plan.   

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[Mark Cundict]

Thanks for the update Richard.  Never fun chasing transient handshaking bugs.

It's been much more reliable since earlier this year,  which I guess makes it a bit harder to fix.

Certainly no need to apologize,  happy to hear you are trying to figure out the gremlin.

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[Mark C]

Hi Richard, 

Some more data for you when you get a moment.  

Showing offline again,  but when I call up it's IP address,  it's displaying three ON's and Connected.   Here's the log file.  Haven't rebooted it yet.

Mark

[Mark C]

Hi folks,

Got the down again email today.  Here's the files:

Just rebooted it.

Mark

[Ian Nesbitt]

Hi Mark,

Can you tell me the timestamp of the down email? I'm trying to match up some times in your logs with the server's view of things.

Ian

[Mark C]

Hi Ian,

You bet,  the "have not seen you in a while" email arrived on April 14th, 2019,  at 9:03am (MST).

Mark

[Mark C]

Hi Ian,   the latest message arrived Apr 29th, 2019 at 9:03am MST

Mark