Re: Automatically mount or remount EXT3 partitions with EXT2 when a laptop is powered by a battery?

Richard B. Johnson
2002-06-24T20:24:00Z

On 24 Jun 2002, Miles Lane wrote:

> Hi,
>
> Is there any possibility we could:
>
> 1) Add support to the boot/mounting process
> so that, if a machine is being powered by
> battery, EXT3 partitions are mounted with
> EXT2, instead?
>
> 2) While the machine is running, notice when the
> power source switches between AC and battery
> or vice versa and remount partitions EXT3
> partitions to use EXT2 whenever a battery is
> being used?
>
> This could save laptop users a lot of power,
> while keeping the benefits of EXT3 when AC
> power is available.
>
> I know that this can be accomplished with more
> direct user intervention, but I am hoping a more
> general and transparent solution can be created.
>
> Miles
>

What does ext2 do for batteries that ext3 doesn't?
Are they compatible?

>From what I've observed, ext3 has nothing to do with
battery power. It can just handle larger media.

Cheers,
Dick Johnson

Penguin : Linux version 2.4.18 on an i686 machine (797.90 BogoMips).

Windows-2000/Professional isn't.