hi, I have a case, 1. SATA disk + buffered write 2. one node with N disks, and the first disk is meta disk, and the left 1.N is data disk 3. I will write data in disk 1-N, and record the chunk file length in meta disk (disk0). in such case, can I safely set data=writeback without any possible problem, maybe include data corrupt, slow recovery when node restart, ... ? thanks very much. -- Raymond Attitude is Everything. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html