lkml.org 
[lkml]   [2008]   [Jan]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [linux-usb-devel] [FEATURE REQUEST] Transparent hot plugging of root file system on portable storage devices.
On Wed, 2 Jan 2008, Oliver Neukum wrote:

> 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.

What about people who prefer (for reasons of restart latency or
non-availability of swap space) to suspend rather than hibernate?

Alan Stern



\
 
 \ /
  Last update: 2008-01-02 21:25    [from the cache]
©2003-2011 Jasper Spaans