On Fri, 28 Sep 2007, Peter Zijlstra wrote:
> On Fri, 2007-09-28 at 07:28 -0600, Jonathan Corbet wrote:
> > Is it really NFS-related? I was trying to back up my 2.6.23-rc8 system
> > to an external USB drive the other day when something flaked and the
> > drive fell off the bus. That, too, was sufficient to wedge the entire
> > system, even though the only thing which needed the dead drive was one
> > rsync process. It's kind of a bummer to have to hit the reset button
> > after the failure of (what should be) a non-critical piece of hardware.
> >
> > Not that I have a fix to propose...:)
>
> the per bdi work in -mm should make the system not drop dead.
>
> Still, would a remove,re-insert of the usb media end up with the same
> bdi? That is, would it recognise as the same and resume the transfer.
Removal and replacement of the media might work. I have never tried
it.
But Jon described removal of the device, not the media. Replacing the
device definitely will not work.
Alan Stern
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