On Sat, Nov 06, 2010 at 05:32:03AM -0400, Neil Brown wrote: > Might it make sense to configure a range of the device where writes always > went down all paths? That would seem to fit with your problem description > and might be easiest?? Indeed - a persistent property of the device (even another interface with a different minor number) not the I/O. And what is the nature of the data being written, given that I/O to one path might get delayed and arrive long after it was sent, overwriting data sent later. Successful stale writes will always be recognised as such by readers - how? Alasdair -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel