List Archive: gentoo-embedded
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On Sunday 08 January 2012 12:59:16 Kfir Lavi wrote:
> I'll need to crash proof a Gentoo system from electricity cutoffs.
> I have a system with 8GB of flash drive.
> I created a small system ~100mb as the target system.
> I thought of creating 5 200mb paratitions of raid1. So 5 will be mirrored.
> What do you think of this solution?
> Do you have more ideas how to keep the system intact ?
> I'm creating ext4 partitions, but would like to hear some opinions on that
what is your flash tech exactly ? it's a USB thumb drive ?
the best way to avoid problems is:
- use read-only mounts wherever possible
- use tmpfs for all scratch space you don't care about (many logs fall into
this category with embedded devices)
- for the few places you do write to disk, make sure to fdatasync()
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