Re: /dev on a ram disk
Jason Gunthorpe wrote:
> I recall a post some time ago mentioning that putting /dev on a ramdisk
> would allow laptops to use APM. Does anyone know how this is done? I've
> never made a ramdisk with linux, and I'm not sure how to replace the /dev
> dir before anything starts using it...
Check out the virtual-dev package (in experimental).
Maintainer: Charles Briscoe-Smith <firstname.lastname@example.org>
Description: Limits disk spin-ups by putting /dev/ on a ramdisk
This package attempts to reduce unnecessary access to your IDE disk by
creating a ramdisk at boot time, copying the /dev/ directory onto it,
and mounting the copy over the top of the real /dev/ directory.
Normally, accesses to devices in /dev/ will cause the kernel to write
an updated last-access time to the disk. This ramdisk scheme will cause
those writes to go to the ramdisk, and thus not spin up your hard disk.
This package is still experimental; install it only if you can fix
see shy jo
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