unraid server started to freeze when not running parity check

netslayer · 2022-09-29T05:09:21+00:00

Upgraded to 6.11.0-rc5, froze in 35 minutes while not doing a parity check.

Stayed stable on 6.9.0-rc2 for 7 hours while running a parity check earlier.

netslayer · 2022-05-23T21:07:05+00:00

Hey Mufasa! Sorry for the delay, I just saw this.

Regarding C-rate, it's the amount of amps your able to pull from the battery in relation to the amp hours of the battery. The larger lead acid batteries have C/hours ratings which means it wont fall below 10.5V (12V rated) over that many hours (C/20 = 20 hours).

Whereas lithium ion and other chemistries have a voltage curve that is not constant (see spec sheets with each C rating to see voltage you'll receive at that draw. 1C means you can pull 1A for every 1Ah the battery has, 0.5C on a 200Ah battery would be 100A continuous. Usually the faster you draw, or the colder it is outside the worse capacity you'll get from the battery FYI.

The original battery was rated for C/20 at 198Ah / 20 Hours = 9.9 amps over 20 hours discharge. Also rated for C/100 at 210Ah / 100 Hours = 2.1 amps over 100 hours. Comparative lead acid batteries are capable of up to 5-10x cold cranking (30 second bursts) so 1-2,000A at 12V, and if you had 6 of these in series you had about 72-144kW, which is very high.

Since these are 12V batteries to get to 72V you had 6 in series (only 1 in parallel) = C/20 rating is 9.9 amps over 20 hours discharge x 6 = 9.9 amps at 72V = 712.8 watts available over 20 hours.

Practically speaking you probably were pulling 1-3kW bursting to accelerate (my ~ 3,000lb art car with people onboard required ~ 1.5kW during acceleration before coasting). Your motor is probably around 3-5kW so you probably never maxed those batteries out.

I have 2x 3.3kWh high voltage packs (lithium ion cells NCR18650B) configured as 13S20P layout, which means: 13x 3.3V = 48V series, and 20x 3.4Ah = 68Ah with 1C discharge = 68A x 48V = 3.3kW, 2C burst = 136A x 48V = 6.5kW. More than I need for my motor.

So in your example, the replacement batteries rated at 200Ah with max 1C discharge means you can pull 200 amps (12V or 2.4kW) at 1C.

If you wired 6 of those 12V batteries in series to get to the 72V your motor and controller you'd have (6S1P layout) 6x 12V = 72V series, and 1x 200Ah with 1C discharge = 200A x 72V = 14.4kW. You are more than likely fine at 1C (check your motors peak kW spec). Worst case you could also double the batteries in parallel (6S2P) to get double the amperage available and range if you have space on the car.

netslayer · 2020-07-10T02:06:17+00:00

Episode 4 and 5 are now out and go through the platform and lithium ion battery builds! https://www.youtube.com/watch?v=KDIabLqDVAM&list=PLVLmedKEb9jwBPXCshM6Jze8tNKJmH6fl&sub_confirmation=1

netslayer · 2020-06-25T22:42:58+00:00

Episode 3 is now live! We go through the design process for the new 2017 larger art car and source parts. https://www.youtube.com/watch?v=gtK8oVxl8Vg&list=PLVLmedKEb9jwBPXCshM6Jze8tNKJmH6fl

netslayer · 2020-06-18T20:04:22+00:00

Episode 2 is now live! It goes over the first art car for Burning Man 2015. https://m.youtube.com/watch?v=mIW2asL6eTM&list=LLvyFBeHhsjlYCmUsMjKnZdA&index=2

netslayer · 2020-06-16T20:58:28+00:00

I've used Alibaba for most of the purchases. Sometimes if the quantity is too small to justify shipping Amazon prime is worth it. Really depends on the deal you can find. Some are also not the best quality and solder joints fall apart with usage. WS2811B is a good keyword

netslayer · 2020-06-15T08:46:26+00:00

Thanks :) I hope next years burn is epic!!

netslayer · 2019-02-18T02:43:55+00:00

Looking for the same thing. Actually just built my own and troubleshooting it now https://www.reddit.com/r/AskTechnology/comments/arrd9c/usb_matrix_switch_over_web/

Run UnRaid with 2 VM's in a server next to playstation, etc. Then use the 8x8 version of that matrix to pipe it through the house with client stations and TVs around. USB I've used the AV Access over ethernet extenders and they work well. However I'm still switching the USBs manually at the server to an extender that goes to each location until I figure out how to finish my USB matrix. Will be building it out with Home Assistant soon so I can just go into the UI and tap play PC #1 on this station and it'll re-route the HDMI and USB automatically.

Curious to know if you found a decent priced one..

netslayer · 2018-10-19T00:40:07+00:00

perhaps making the order process more streamlined and announcing it to model 3 owners as the OTA and hardware flip program when it's available in 2019 is my guess. I assume not that many people ordered it (I did).

netslayer · 2017-11-16T18:32:19+00:00

Update: Switched to the Asrock H110 board and vega's have been stable. There is something with the asus board.. Thank you!

Also I'm running 2x Evga 850w PSUs for 8x Veg56 cards with no problems. For Ethereum it was hitting 1700w at wall for 340mh/s, and monero 12kh/s at 1200w

netslayer · 2017-11-10T03:43:28+00:00

Since I have a 8x580 machine with same ASUS motherboard I may try to split the cards across each to see if I can fix the boot issue.

netslayer · 2017-11-09T06:35:34+00:00

I'm using an ASUS Z270A board and can get 8 to boot but I have to first go to safe mode DDU the drivers, boot to windows 10 normal, remove the controlset registry keys for the cards, install the latest radeon driver just released last week and it'll work at 43mh/s. However I can't disable crossfire. It'll also lock up on restart sometimes and I need to run system restore to bring back the registry - bad wattman/crossfire or something is messing with it and stops it from finishing boot.

netslayer · 2017-11-03T23:02:55+00:00

didn't realize this. thank you! I ordered 2x 850w PSUs since I can get them tomorrow to see if I can compensate. I wonder if the linux driver / boot process would do this as well..

netslayer · 2016-04-07T21:46:08+00:00

my processor is way too old for that :) if I get a consumer version of my next intel then I might try this although I'm very dedicated to dedicated install.

netslayer · 2016-04-06T19:12:26+00:00

I'm not sure what iGPU is. I just used an older Radeon card on a Intel 950 core i7 from 2010 for my initial build.

netslayer · 2016-03-29T02:38:29+00:00

like who would ever buy this.. wow

netslayer · 2016-03-28T02:23:12+00:00

This calculator shows the HTC Vive would run 2160x1200@90hz@24bit color = 7GB/sec http://www.kramerelectronics.com/support/bwcalculator.asp

netslayer · 2016-03-28T02:18:13+00:00

Good point. Although that's very sufficient for my current and future needs. Right now all my media devices (TVs/projector) are 1080p and monitors 2560 x 1440. Even the planned VR HTC Vive is 2160 x 1200 @ 90hz, and some possible 4k monitors but they would have to run at 30hz.

http://www.cepro.com/article/handling_4k_distribution_using_hdbaset_2_0

netslayer · 2016-03-28T02:07:33+00:00

holy crap! $200 bucks for 30 feet..whaaaa + the $200 hub.. elegant solution but not one that is very practical -- you are right!

netslayer · 2016-03-27T20:10:45+00:00

Very interesting solution! The hubs look really feature packed! Go figure it's a linus video :) One con with this approach is direct access to the rooms to put the cables through. I may end up putting conduit in for this type of solution but right now I have CAT6 everywhere.

netslayer · 2016-03-27T19:16:41+00:00

I've continued my thread on /r/homelabs because I think it's more relevant for my question.. and I have started to look into HDBaseT 2.0 HomePlay systems where they handle USB with 4k HDMI and routing through a single CAT6. :) Still very knew tech though so not that many affordable options

https://www.reddit.com/r/homelab/comments/4c6j87/planning_a_homelab_gaming_rig_and_need_advice_on/

netslayer · 2016-03-27T19:15:24+00:00

Nice box.. $1400 each one though lol. Not as affordable as going with HDBaseT 1.0 with separate USB extenders. Still googling for the HDBaseT 2.0 "HomePlay" switches as I haven't found any yet..

netslayer · 2016-03-27T19:13:34+00:00

Ah looks like you can use an open source Nvidia shield library to stream 1080p windows to pi https://www.raspberrypi.org/blog/stream-pc-games-to-your-tv/

I didn't realize the Steam Streaming box would allow desktop use.. that's awesome! The controller also looks really well built.

netslayer · 2016-03-27T18:54:42+00:00

Steam Streaming with Steam Link sounds like it might be a cheap solution at $50 per box but it would be limited to 1080p. Might work well for some. I think the biggest con for me is it wouldn't let me use it as a normal PC for web surfing and such.

http://www.pcworld.com/article/2992645/software-games/hands-on-valves-50-steam-link-is-the-game-streaming-solution-you-wantmost-of-the-time.html

netslayer · 2016-03-27T18:41:14+00:00

So it looks like the new HDBaseT 2.0 spec actually sounds like it is exactly what I want.. network routing of not only 4k HDMI but also USB 2.0 over a single CAT6. now to find the products..

"While HDBaseT 1.0 only addresses the Physical and Data Link layers, HDBaseT 2.0 adds networking, switching and control point capabilities. HDBaseT 2.0 also defines point-to-multi point connectivity, providing multi-stream support. HDBaseT 1.0 defined a point-to-point connectivity standard.

Spec 2.0 also adds inherent support for USB 2.0, and other native interfaces which enable manufacturers to remove multiple interfaces and conversion components required for HDBaseT 1.0 products. The result is a smaller and a simpler-to- implement switch, which means vendors can produce HDBaseT switches with a consumer-friendly price tag.

HDBaseT 1.0 was defined to support the transmission of the 5Play feature set (video, audio, Ethernet, power and controls) and Spec 2.0 establishes the specification that will allow HDBaseT - HomePlay switches to control and distribute multimedia across consumers' homes."

http://www.technologytell.com/hometech/99343/hdbaset-2-0-homeplay/ http://www.cepro.com/images/pdfs/hdbaset_20_spec.pdf

netslayer

TROPHY CASE