Hi, I'm using fstrim inside my qemu guests to remove unused space from the rbd storage. This is working fine, but I just notice that if a snapshot exist, It just do the reverse, it's filling the snasphot with zeroes, and the total cluster space is growing. It's is possible to avoid that ? Regards, Alexandre -- 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