On Wed, Nov 03, 2010 at 10:34:44AM -0700, Mark Luntzel wrote:
> The answer is probably no but...
> 
> I can hear the disk currently being written to making bad noises, and
> the speed is extremely slow. Bad disk for sure, about to fail. This is
> at the end of a multi-Terabyte backup, just about 500 gig left and I
> would REALLY hate to think there is no way out but to start over
> completely.
> 
> So is there a way for me to replace that disk without invalidating the
> entire backup? Running on Linux with an external SATA / FW enclosure,
> bacula version 3.0.2

The clear consensus appears to be "no".  However, I wonder if it would
be theoretically possible to suspend every bacula process with a SIGSTOP,
bitimage copy the failing disk, hot swap it, restore the image, then
wake up all the bacula processes with SIGCONT?  Perhaps the major
difficulty would end up being convincing linux to ignore the physical
disk-swap event, but that might depend on how the external enclosure
is set up and configured?

--
Henry Yen                                       Aegis Information Systems, Inc.
Senior Systems Programmer                       Hicksville, New York

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