On Thursday 08 April 2004 00:37, Neil Brown wrote: > It wouldn't surprise me if there was a bug in the multipath code. > I have no hardware to test it on and little interest in it. I'm happy > to fix obvious bugs and I try not to break it with other changes in > md, but beyond that I just leave it alone. Understandable. Maybe the Linux SAN-Alliance should sponsor you a couple of HBAs and a JBOD... ;-) > I can do a simple test using two loopback devices on the same file as > the two paths and that seems to work OK, so there is probably some > interesting interaction with your particular hardware and it's driver. Yes, that could get messy: FC-HBA <-> SCSI layer <-> MD driver > So, if you can get good error messages and try to figure out what is > actually happening, then I'm happy to look at fixing it, but without > lots of details, there isn't much I can do. I'll get you the correct error messages next week and i will try to work my way through the multipath code to understand what it's doing. Unfortunately it some years since i did serious work on the kernel internals, so i will most likely need to get a feel of what's changed. Regards, Dominik Kubla - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html