Suggestion: Break SDHC card image into parts

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vpcm
Posts: 2
Joined: Tue Apr 02, 2019 10:25 pm

Suggestion: Break SDHC card image into parts

Post by vpcm » Thu Apr 11, 2019 10:46 pm

I'm well into designing in the board, but I ran into a problem downloading the SDHC card image. Although it's compressed to only 1.8Gb, I have yet to be able to get a successful download of the thing in three days of trying. The download fails for one or another mysterious network reason somewhere along the way. I've tried all three suggested repositories, with similar results. I have managed by resuming downloads many times to get the download to "complete" two times, both of which give errors as being incomplete or corrupt when extracting the image. I suspect the download was corrupted somewhere along the way.

I know that some large zip and/or rar files are available as multiple parts which can be downloaded separately. It seems like partitioning a 1.8Gb image into several parts would improve the kinds of issues with which I'm dealing.

Would it be possible to divide the downloads into chunks, possibly 500Mb each?

As I'm writing this, I'm 794Mb into the 1800Mb download on the latest attempt.

StuartB
Posts: 71
Joined: Wed Jun 07, 2017 2:25 pm

Re: Suggestion: Break SDHC card image into parts

Post by StuartB » Fri Apr 12, 2019 10:03 am

Hi vpcm.

I downloaded the image file from the second link with no problems.
Extracted it fine, no problems.

I then split it in to 6 seperate rar files and uploaded it to my PCloud account.
I downloaded it and extracted it again to make sure it was ok, no problems.

These are the download links and you are more than welcome if you want to give it a try.
2 different ways of doing it.

6 Seperate files to extract in to 1.

https://my.pcloud.com/publink/show?code ... dLgHGo21xk
https://my.pcloud.com/publink/show?code ... J9Ppro5OMk
https://my.pcloud.com/publink/show?code ... 20hLyl3So7
https://my.pcloud.com/publink/show?code ... Aft8Oo96lk
https://my.pcloud.com/publink/show?code ... U57Ftu6PRk
https://my.pcloud.com/publink/show?code ... sdtRJ2Mhsy


Or 1 file to extract in to 6 seperate files and then extract in to one.

https://my.pcloud.com/publink/show?code ... 4NI45WEMqy

Bertus Kruger
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Re: Suggestion: Break SDHC card image into parts

Post by Bertus Kruger » Sun Apr 14, 2019 7:03 pm

StuartB wrote:
Fri Apr 12, 2019 10:03 am
I then split it in to 6 seperate rar files and uploaded it to my PCloud account.
I downloaded it and extracted it again to make sure it was ok, no problems.
Thanks for that.. ;)

StuartB
Posts: 71
Joined: Wed Jun 07, 2017 2:25 pm

Re: Suggestion: Break SDHC card image into parts

Post by StuartB » Sun Apr 14, 2019 8:01 pm

No Problem.
I don't know what download speed vcpm's internet is, may be it was too fast and got corrupted that way.
Mine is only an 8 mbps download speed, but upload speed is really slow at between 35 and 70 kbps.

Don't know if he got it yet, not heard from him.

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