Re: [FEATURE REQUEST] Transparent hot plugging of root file system on portable storage devices.

[Oliver Neukum <oliver@xxxxxxxxxx>]

Am Dienstag 01 Januar 2008 schrieb Pavel Machek:
> Hi1
> 
> > I would like to request a feature in the Linux kernel that would allow
> > a user to unplug a live read-only root file system which exists on a
> > detachable storage device such as a USB key drive. The desired
> > behavior is that once the same device is reattached to the computer
> > the user can continue work transparently without having to reboot.
> > 
> > Having such a feature is becoming more important with advances in
> > detachable solid state drive technology.
> 
> Yep, that would be nice.... In fact, patch would be very welcome :-).

Use the USB persist feature and hibernate. It should work. If you modify
the fs in any way, you'll crash and burn. Unmounting / is harder which you
need if you want to do this safely.

	Regards
		Oliver


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