[Voyage-linux] small snag

Richard E Neese (spam-protected)
Thu Nov 10 12:11:32 HKT 2011


On 11/9/11 10:17 PM, Kevin Wang wrote:
>    From Richard E Neese
>> ok I got everything up and working but I have 1 small issue
>>
>> when I login tot he gui and try to configure my application its not
>> outputting files and writing to the database because the sysem is in ro,
>> how do I make it so my apps data can always be saved ?
>>
>> is there a special switch ?
> remember there is a limited number of writes to flash memory.
>
> You could tell the system to remountrw on every boot, but that decreases
> security and increases the speed at which your limited flash writes will
> get exhausted.
>
> Look at the mailing list archives for "voyage-sync"
>
> There are hooks in this startup and shutdown script to write the data to
> flash infrequently (on bootup/shutdown). and you could add a cron job
> to make it sync daily, to limit how quickly you exhaust your limited
> flash writes.
>
> frequency depends on how much data you're willing to lose to a server
> crash/power outage.
>
> Note that if it's a real database, you'll have to either dump or shut
> down the database first.
>
>     - Kevin
what about puting the os on the dom and the data goes on a thumbdrive
how would I make it sync the data onto the drive to the dom so there is 
a backup to reload if needed
?





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