[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: Problem identified: WAPL/RAIDframe performance problems
On Sun, Dec 02, 2012 at 01:32:17AM +0000, Julian Yon wrote:
> > I don't care about the block granularity of the interface. (Unless I
> > suppose it's larger than the atomic write size; but that would be
> > weird.)
> If it's smaller than the atomic write size that's equally weird.
> Because that implies that the designers have made the explicit decision
> to sacrifice performance for no gain. But there is a cost: they had to
> write firmware code to emulate that block size.
It's not weird, and there is a gain; it's for compatibility with large
amounts of deployed code that assumes all devices have 512-byte blocks.
David A. Holland
Main Index |
Thread Index |