Best SD Card
#1
When I got my RPi2 I ordered a Sony UHS1 card as well, this card is plenty fast but causes corruption. Every few days openelec fails saying the storage is corrupt, I moved storage to a usb key and that has worked great for 2 months but now I'm thinking of just getting another sd card and nothing having to rely on a usb key for storage. The Rpi is plugged into the TV's usb port but it has worked fine and only once had a rainbow square which was a cheap usb cable. I have since got a micro usb Y cable which uses 2 usb ports from the TV. I don't believe power is the issue since the usb key works fine and same issues occurred on the bedroom pi which was solved by a cheap 2GB card I had laying around so for sure it's the Sony SD card.

SandDisk are on dale at bestbuy in Canada, but not sure if its worth it.

http://www.bestbuy.ca/en-ca/product/sand...024bfben02
http://www.bestbuy.ca/en-ca/product/lexa...832b17en02
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#2
Did you use the openelec back up by chance? Happened to me on on 2 separate cards after I ran its backup after fresh install. Then did a fresh install and didn't use the back up and it never happened again. Used the kodi addon backup and tested on the second card and it hasn't happened either. I think using older version backups with newer builds was the culprit for my corruption problems
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#3
I'd vote for Samsung EVO. I can't say they're the absolute best, but they're in the top few.

(Not Samsung PRO though - can't remember which thread, but I saw some reports of problems with them.)
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#4
usb sticks are more tolerant to low power situations than SD cards. You likely still have a power issue without knowing it,

Samsung SD cards have been tested and found to be the best:
The reasonably priced ones.....

Samsung Micro SD 16GB Class 10 Plus UHS-I
Samsung 16GB EVO Class 10 Micro SDHC

http://www.raspberrypi.org/forums/viewto...&start=225

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#5
I can recommend this. I'm currently using one and it's fast and I've had no corruption issues.
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#6
(2015-03-28, 19:54)IhuckleberryI Wrote: Did you use the openelec back up by chance? Happened to me on on 2 separate cards after I ran its backup after fresh install. Then did a fresh install and didn't use the back up and it never happened again. Used the kodi addon backup and tested on the second card and it hasn't happened either. I think using older version backups with newer builds was the culprit for my corruption problems

No setup from scratch a few times when I got the pi since i didn't think it was the SD card, but yes I do use openelec backups after corruption started. Never had this with the pi1 or the pi2 in the bedroom both using some cheap sandisk cards.

(2015-03-28, 19:56)twelvebore Wrote: I'd vote for Samsung EVO. I can't say they're the absolute best, but they're in the top few.

(Not Samsung PRO though - can't remember which thread, but I saw some reports of problems with them.)

These are hard to find locally in canada and i'd like to stick to buying from a local shop for now.
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#7
(2015-03-28, 20:16)jebise Wrote: These are hard to find locally in canada.

I got mine through Amazon (I'm in the UK, which counts as a third-world country tech-wise).
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#8
not if your canadian, we only get slect items with very limited choices.
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#9
I had my Samsung EVO SD card delivered by the little known about Ebay Kangaroo express delivery service. They hop right up to your door and ring the bell. Its surprising how much gear they can carry in one pouch ! Wink

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#10
http://www.ncix.com/detail/adata-premier...1-1202.htm

i tried it and it worked around 1.7Mb/s writes on the small random 4k.

If you have a local memoryexpress.com you can pricematch and buy in store.

http://www.memoryexpress.com/Products/MX55059
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#11
(2015-03-29, 20:24)IhuckleberryI Wrote: http://www.ncix.com/detail/adata-premier...1-1202.htm

i tried it and it worked around 1.7Mb/s writes on the small random 4k.

If you have a local memoryexpress.com you can pricematch and buy in store.

http://www.memoryexpress.com/Products/MX55059

hmm thats a good price for a 16GB card with good 4k writes. Seems like the reviews of this card are good and works on the Pi. Mind posting fresh-bench scores?
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#12
it tested equal to my samsung evo 16 gb but with much higher scores on sequentional reads and writes on the large file transfer like around 65 vs 45 of the samsung. For the money and its easily available its not too shabby.Can't really complain about it. They have a 32gb adata for $15 as well f/s. But have no clue on test scores.
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#13
yeah price wise it's a steal, reviews are mostly good as well for people using it in a Pi. The biggest reason i went ahead with this is because it been tested on the raspberry pi by you as well as it being listed on the Pi sd card wiki. So here is hoping it solves the corruption issues once and for all.

Ordered two for both Pi's, hopefully I see a speed boost from my current setup.
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#14
for whats it's worth, it's a Pi and openelec issue it seems.

http://openelec.tv/forum/124-raspberry-p...mitstart=0
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#15
(2015-03-31, 03:12)jebise Wrote: for whats it's worth, it's a Pi and openelec issue it seems.

It's not OpenELEC specific. Best advice is to avoid Transcend and Samsung EVO cards for the time being. SanDisk cards seem to be without problem.

https://github.com/raspberrypi/firmware/...t-83645370
Texture Cache Maintenance Utility: Preload your texture cache for optimal UI performance. Remotely manage media libraries. Purge unused artwork to free up space. Find missing media. Configurable QA check to highlight metadata issues. Aid in diagnosis of library and cache related problems.
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