the EMMC can also suffer from the plug being pulled

On 3/19/2018 5:59 PM, Troy Weber wrote:
> probably not! I'll have to look into flushing buffers, I've never
> heard of that.
>
> Troy Weber
> Mechatronics / Software Developer
> [email protected] <mailto:[email protected]>
> 707-761-1644
> sent from mobile
>
> On Mon, Mar 19, 2018, 5:55 PM Graham <[email protected]
> <mailto:[email protected]>> wrote:
>
>     As a matter of buffer hygiene, are you flushing the buffers to the
>     sd card after every time you write to it?
>     Something like the equivalent of the 'sync' command?
>     If there is still unwritten info in the buffers when the power
>     gets pulled, bye-bye data.
>
>     In Linux, when the mounted drive is suddenly declared "read-only"
>     it means that the OS has observed some corruption or error in the
>     file system, and does so to prevent further corruption.
>
>     --- Graham
>
>     ==
>
>     On Monday, March 19, 2018 at 6:59:29 PM UTC-5, Wulf Man wrote:
>
>         I dont know if its for sale there was a battery cape
>         or you can go with custom hardware
>
>
>         On 3/19/2018 4:56 PM, Troy Weber wrote:
>>         Well we need to be able to pull the plug without damaging
>>         things. Is the best option then to have a battery system that
>>         allows BBB to listen for loss of power and gracefully shut
>>         down? Are there alternative methods?
>>
>>         Troy Weber
>>         Mechatronics / Software Developer
>>         [email protected]
>>         707-761-1644
>>         sent from mobile
>>
>>         On Mon, Mar 19, 2018, 4:42 PM evilwulfie <[email protected]>
>>         wrote:
>>
>>             Well yes if you fail to unmount a file system you can
>>             have issues.
>>             On my systems i designed a battery backup system to
>>             prevent just the
>>             issues you
>>             are seeing now.
>>             It does not happen all the time but one time is unacceptable.
>>
>>             Beaglebone is a live filesystem and you cant just pull
>>             the plug.
>>
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