Berglund wrote: JimHough wrote:
It will reduce the life of the SD-card, but I found this on a different post on the subject:
redman684 wrote:I often see memory that can be written 100,000 times and even claims of over 1,000,000 are made.
Writing an 8 GB card (with perfect wear leveling) 100,000 times with 10 MB/s will take 2.6 years of continuous writing. So it's pretty safe to say the card won't wear out anytime soon, even when used as swap space.
(http://www.raspberrypi.org/phpBB3/viewt ... f=2&t=2813
Congrats on this great quote, but that logic is flawed.
Issues don't happen when you write big files, like in your example, but when you write bunch of small files! Usually each block in SD card is 4MB in size, so when you write lots of small random files you can reduce time it takes to burn the card by factor of 30 or more.
Please read this great article regarding calculating time it takes to burn down flash memory in SDHC cards: http://www.scribd.com/doc/7010332/SANDI ... r-Leveling