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Author Topic: Meteo Sheeva : upgrade to 16Go SD Card  (Read 588 times)
patatorz
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« on: 14 May 2011, 06:05:39 am »

Hello,

it's my first post on this board. I just bought from NewIT the Meteo Sheeva. This device is sold with a 4Go SD card. My question is :

is it possible to upgrade from the 4Go to a 16Go on the Meteo Sheeva ?
If yes : does an image of a 16Go card exist for the Meteo Sheeva ?
If No, I think I need to do it by myself so perhaps some How-to should be somewhere  Grin
Would you recommand any 16Go SDHC card for the MEteo Sheeva (The Integral Class 10 ?)

Thanks for your help.

Patatorz
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NewIT_Marcus
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Posts: 960


« Reply #1 on: 14 May 2011, 10:32:33 am »

Hello,

it's my first post on this board. I just bought from NewIT the Meteo Sheeva. This device is sold with a 4Go SD card. My question is :

is it possible to upgrade from the 4Go to a 16Go on the Meteo Sheeva ?

I know of no reason why Meteohub can't run on differently sized SD cards. The place to obtain a specific answer would be the Meteohub forum

If yes : does an image of a 16Go card exist for the Meteo Sheeva ?

The only downloadable image is the 4G image here

If No, I think I need to do it by myself so perhaps some How-to should be somewhere  Grin
Would you recommand any 16Go SDHC card for the MEteo Sheeva (The Integral Class 10 ?)

In general, we recommend the Integral Class 10 cards that we have in our shop. They are the best that we have found so far. If you wanted to try using Meteohub with such a card there would be 2 approaches:

  • Write the 4G image to a 16G card, then use resize2fs to fix the card formatting to its full capacity (see below)
  • Use an existing Meteohub installation and copy the rootfs from it to another card, with appropriate partitioning.

To resize (partition 2, should not be mounted):
Code:
e2fsck -f /dev/mmcblk0p2
resize2fs /dev/mmcblk0p2
fsck -n /dev/mmcblk0p2
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patatorz
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« Reply #2 on: 14 May 2011, 11:07:20 am »

Thanks a lot for your feedback
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NewIT_Marcus
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« Reply #3 on: 14 May 2011, 12:04:03 pm »

There is one more point, actually. We don't use Meteohub, so we don't know if there is any reason why larger capacity storage would be useful. If there's no advantage to larger capacity, we'd say stick with a smaller / cheaper card.

The Meteohub people recommend SLC cards for better performance (longevity); although they are more pricey, they should last longer and be more cost effective. Using an SLC card should probably be the primary objective, but if you can explain why a large capacity device would be useful, we'd be interested to know.
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patatorz
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Posts: 5


« Reply #4 on: 14 May 2011, 12:06:19 pm »

Hello, I'm not sure why...In fact I wonder more why a 8 or 16Go SD card (standard today) is not used...or at least why don't propose different capacities. I will try to understand that from meteohub

BR
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