Re: PATCH - change to blkdev->queue calling triggers BUG in md.c

From: Oliver Neukum (Oliver.Neukum@lrz.uni-muenchen.de)
Date: Tue Sep 03 2002 - 19:08:22 EST


Am Mittwoch, 4. September 2002 00:03 schrieb Thunder from the hill:
> Hi,
>
> On 3 Sep 2002, Alan Cox wrote:
> > If you have a good raid card then you can do online resizing, volume
> > allocation, volume format changing, volume migration etc. For those
> > cases you have to get the journalling right in order to be able to do
> > that kind of thing properly
>
> That's true, if you use partitions. I don't see the problem.

No, it's always a problem. You need to record somewhere, what you
use which disk for. If these recordings need to be changeable
on a live system, you need to make sure that they are always in a
consistent state.

        Regards
                Oliver
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