James Cassidy wrote:
> I've prototyped a system that uses flash disk to hold RTLinux.
> When the system boots, it loads from the flash disk to a ram
> disk and runs from there. You can power the system down at
> any time. The filesystem that's being used in ram disk will
> vanish. But upon next power-up, the system will again reload
> from the flash disk.
>
> You can get ram disk disks that are IDE compatable. The system
> treats it like a regular IDE drive.
>
> Jim.
>
OK, but I will need an IDE magnetic hard disk .
To allow my system to work perfectly, do I have to partition as follow :
/var, /tmp : ram disk on which all temporary and log files should be
redirected
/usr linux system ... first partition read only mounted
/home second partition rw
user data will be stored on hard disk /home partitions.
After writing to this partition is there a way or configuration mode
to be sure that all data will be synced on disk immediatly after a few ms
and nothing remains in memory ?
I agree that if a shutdown happens while saving user data, they will be
corrupted (any kind of system will have the same problem)
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