> > I'd be very happy with full data journalling even with 50% performance
> > penalty... There are applications that require extreme data integrity all
> > times no matter what happens.
>
> How about an idea I proposed a while back, 'integrity loopback'?
>
> A loopback device which writes a CRC with each block and checks the CRC
> when read back.
I have written that. Do you want a copy?
-- Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt, details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/