On Thu, Jun 28, 2012 at 9:12 AM, Josh Durgin <josh.durgin@xxxxxxxxxxx> wrote: > Keep in mind it's running on a filesystem, so requests go through the > guest fs and block layer before getting into librbd. These two layers Quick side note: an easy way to get around the filesystem is to use rbd as the *second* hard drive for a vm, and not even mkfs it. Run tests on the raw block device. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html