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A large part of diagnosing a problem is having visibility into what has recently happened - this system (by Tesla design) completely lacks that visibility. The situation cannot be improved until I have some means of seeing inside the black box and reading its history. If this happens again tonight, we are back to square one with no insight as to what should be done, or even where to investigate.
Will Rogers never met me.
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I have to believe Tesla "has the tools"; but they're "company tools". I would try leaning on them. Talk about all your "connections". (On the other hand, some hardware vendors have used my tools to debug the new product my tool will use).
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I
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If you know something should do something every N-minutes/seconds or whatever, the lack of evidence is evidence of something lacking.
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From the post, it is a "black box". There was an "event". And there is no "log". Where is the "evidence"?
Psycho-babble about "no evidence" being evidence, is nonsense.
I expect a "chance" of evidence before I go looking for it. Regardless of "orders".
This is like exception handling without "try blocks" ... or messages.
Try and post this in Q&A under: "It's working now, but it stopped working and I don't know why" ... and see what you get.
"Before entering on an understanding, I have meditated for a long time, and have foreseen what might happen. It is not genius which reveals to me suddenly, secretly, what I have to say or to do in a circumstance unexpected by other people; it is reflection, it is meditation." - Napoleon I
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Interesting problem.
Ignoring cost I figured it should be easy to find a solution. But I didn't find anything at all.
Most suggestions point out that the device has to be configured to generate logs. So in your case the 'switch'.
That of course depends on the exact vendor, product, version, etc.
Presuming that there is a way to do that you are also going to need somewhere to store it. And quite possible there is going to be a lot of data.
You probably also want to set up a round robin. So it only stores, for example, last 7 days before reusing the storage space. If the device doesn't do that you will need to put a server in place to proxy that.
Then you will need to figure out how to analyze the data that you do get.
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Surprisingly, I actually did find a tool for this. Port sniffers have been around in software for years, bit I discovered a number of physical traffic monitors out the on the interwebs. Since the Site Controller runs through a simple switch, then through a media converter to interface with the fiber running to the generators, I think I can install one in the path between the media converter and the switch. It won't help with the recent event, but it might be a huge help if this kind of failure ever occurs again. As you mentioned, too, I only need a few days' of recording depth. If nobody visits in that time, the Grand Canyon West resort has been nuked, or nothing bad happened.
Will Rogers never met me.
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Like most orange cats, she is a tiny domesticated terrorist. I don't know why orange cats are so troublesome in general, but that has been my experience with them.
Today, while I was gone, she got onto my desk, where she is not allowed, and broke one of my prized Code Project mugs, spilling coffee all over my chair and the floor in the process.
The animal is absolutely remorseless.
She gets away with this stuff on account of being loved and being adorable. Good thing too, or we'd probably send her back.
Check out my IoT graphics library here:
https://honeythecodewitch.com/gfx
And my IoT UI/User Experience library here:
https://honeythecodewitch.com/uix
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I read a phrase yesterday that was something like "As crazy as an orange cat".
They are a bit special.
cheers
Chris Maunder
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Maybe they know their color does not rhyme with anything (in English).
Cats are weird. They are not pack oriented like we are.
We inherited a neighbor cat, we named kitty.
She was not an indoor cat.
A super bird killer.
Found her with bird feet hanging out of her mouth.
But we loved her and she knew we did.
Stayed with us for 20+ years.
Vet said she was a Persian species. They tend to have long lives.
Could not have kittens.
She still lives in our memories.
She was almost blue.
"A little time, a little trouble, your better day"
Badfinger
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Quote: Maybe they know their color does not rhyme with anything (in English).
Sporange? Blorange? Gorringe?
They penalized Alan for this on QI: QI | What Rhymes With Orange? - YouTube[^]
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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Just to be cheeky on the Vampire Weekend Step remix they did, Heems "rhymed" "orange" with "college"
I actually laughed when I first listened to it.
Check out my IoT graphics library here:
https://honeythecodewitch.com/gfx
And my IoT UI/User Experience library here:
https://honeythecodewitch.com/uix
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"The four engineers wore orange braziers."
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Probably because an orange cat cannot hide as well, so they just say the heck with it, go all out
.. 😉
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Orange cats are the redheads of feline society, and can't really be blamed for what they do. Happily, they are mostly lovable and adorable, and can be readily forgiven.
Will Rogers never met me.
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No, no - orange cats have a soul ... 
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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honey the codewitch wrote: Good thing too, or we'd probably send her back.
That's true of most children, too. 
Freedom is the freedom to say that two plus two make four. If that is granted, all else follows.
-- 6079 Smith W.
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I my experience tricolors are even more terrorists.
GCS/GE d--(d) s-/+ a C+++ U+++ P-- L+@ E-- W+++ N+ o+ K- w+++ O? M-- V? PS+ PE Y+ PGP t+ 5? X R+++ tv-- b+(+++) DI+++ D++ G e++ h--- r+++ y+++* Weapons extension: ma- k++ F+2 X
The shortest horror story: On Error Resume Next
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What was the sink made of, Ming dynasty porcelain? Usually it is the thing dropped that shatters. How hard did she throw the perfume to shatter a sink? If she can get that angered, upset, enraged you might think twice about keeping her as a girlfriend. But then again, considering the sink, it might be worse to NOT keep her.
I’ve given up trying to be calm. However, I am open to feeling slightly less agitated.
I’m begging you for the benefit of everyone, don’t be STUPID.
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Just a ceramic sink and a glass diamond shaped bottle.
It fell from about a meter above the sink.
MarkTJohnson wrote: But then again, considering the sink, it might be worse to NOT keep her.
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Our Abyssinian[^] cat's colour is officially "ruddy".
And it really is a ruddy cat!
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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All possible colors plus stripes, all at once. The Calico Tabby. Not breedable because some of the color information is on the X chromosome and only females have two X chromosomes. There are no Calico Tabby males you could breed them with.
I have lived with several Zen masters - all of them were cats.
His last invention was an evil Lasagna. It didn't kill anyone, and it actually tasted pretty good.
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When I was young (many moons ago) my family was out fishing, when this young calico cat came to us.
Someone had dumped her there and she was starving. She ended up eating a lot of our bait, until I caught a catfish we didn't want. She dragged that off and we didn't see her for about 1/2 hour. When she returned she was literally bulging. We took her home and she was with us for the next 18 years...
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The vast majority of orange cats (like 80%) are male. Are you sure it is a female?
Ok, I have had my coffee, so you can all come out now!
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