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echo: rberrypi
to: KNUTE JOHNSON
from: DAVE LIQUORICE
date: 2019-10-23 15:32:00
subject: Re: Destruction of SD car

On Wed, 23 Oct 2019 09:14:20 -0500, Knute Johnson wrote:

>> For instanceâ  it would take over 10 years to wear out an area on
an SD
>> Card based on a file of any size (from 512 bytes to maximum
capacity)
>> being rewritten 3 times per hour, 8 hours a day, 365 days per
year.

That's not heavy use... I had a Pi with camera that took a 1920x1080
still every thirty seconds and added a text overlay and created
thumbnails. Every 6 hours it made a timelapse video of the previous
24 hours of stills. 8 GB SD card could just about hold 3 days of
stills and the time lapse. Card became un-writeable after about 6
weeks. Tried moving the image store to a USB stick, that died in a
similar amount of time.

>> With typical applications, the endurance limit is not of any
practical
>> concern to the vast majority of users.

Which is probably correct with their definition of heavy use...

--
Cheers
Dave.

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