On Mon, Nov 08, 2010 at 01:19:41PM +0100, Lars Marowsky-Bree wrote: > I wonder how other latency-sensitive IO handles multipath? Maybe they > just haven't noticed yet they'd like a facility like this? ;-) As usual, it's the lack of a cancellation interface for incomplete I/O that seems to make the kernel-side option troublesome: we still have to wait for timeouts. Do we prevent more than one I/O being sent in this mode, given that any other alternative would have races? Alasdair -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
