On 13 August 2012 17:16, James Harper <james.harper@xxxxxxxxxxxxxxxx> wrote: > I'm having trouble using blkback under gplpv when the disk is on top of a bcache device. My devices are layered as follows: > > /dev/sd[ab] > md0 (RAID1) > bcache > lvm > > It seems that bcache presents a 4K sector size to Linux, which is then reflected by lvm and in turn blkback. > > Obviously GPLPV isn't handling 4K sectors correctly... any suggestions as to what I might need to do to make this work properly? As a last resort I should be able to fake 512 byte sectors to Windows but would prefer that Windows knew it was dealing with a device with 4K sectors underneath. > > Thanks > > James > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxx > http://lists.xen.org/xen-devel This could very well be the issue I was having, I haven't been able to pull the latest bcache code for a few days (repo down?) but if I can help debug let me know. -- CTO | Orion Virtualisation Solutions | www.orionvm.com.au Phone: 1300 56 99 52 | Mobile: 0428 754 846 -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html