Timeline for How can I add an On-Off switch to my Raspberry Pi 2
Current License: CC BY-SA 3.0
6 events
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Apr 13, 2017 at 12:56 | history | edited | CommunityBot |
replaced http://raspberrypi.stackexchange.com/ with https://raspberrypi.stackexchange.com/
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Feb 27, 2016 at 3:11 | comment | added | SlySven |
Actually the corruption can occur in any file-system where pending write data is not flushed before the power is removed - sync is obviously reckoned to help with that, and journalled file-systems can help with the clean-up when things still go wrong. A read-only FS obviously cannot HAVE any data waiting to be written to it when the plug is pulled but having all storage as fixed and unchangable is only useful in some circumstances (e.g. a public information kiosk where nothing the user does is saved).
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Jan 2, 2016 at 12:31 | comment | added | user29510 | @laxus On a Raspberry PI the need for a switch and a proper shutdown is due to Linux running non-tweaked and the risk of corrupting the SD card when pulling off the power cable. If you run Linux from a read-only root filesystem, that risk is eliminated: data corruption on the SD card results from pulling off the cable while the system writes to the SD card. No data write, no corruption. | |
Jan 2, 2016 at 7:43 | comment | added | laxus | what? i dont get it | |
Jan 1, 2016 at 3:50 | history | edited | user29510 | CC BY-SA 3.0 |
deleted 2 characters in body
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Dec 31, 2015 at 23:53 | history | answered | user29510 | CC BY-SA 3.0 |