On 10/11/16 02:00, NeilBrown wrote: >> [ 8664.858104] xfsaild/md1(658): WRITE block 0 on md1 (8 sectors) > This is XFS doing something. md cannot possibly stop all IO while the > filesystem performs occasional IO. If these continue, you need to > discuss with xfs developers how to stop it. If the writes to individual > drives continue after there are no writes to 'md1', then it is worth > coming back here to ask. > > Would the new journal feature be any help? I haven't dug in enough to understand it properly, and it would increase the vulnerability of the system to a journal failure, but the feature itself seems almost perfect for batching writes and enabling the disks to spin down for extended periods. Cheers, Wol -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
