When 'repair' finds a block that is different one the various parts of the mirror. it is meant to write a chosen good version to the others. However it currently writes out the original data to each. The memcpy to make all the data the same is missing. Signed-off-by: Neil Brown <neilb@xxxxxxx> ### Diffstat output ./drivers/md/raid1.c | 5 +++++ 1 file changed, 5 insertions(+) diff .prev/drivers/md/raid1.c ./drivers/md/raid1.c --- .prev/drivers/md/raid1.c 2007-01-23 11:13:45.000000000 +1100 +++ ./drivers/md/raid1.c 2007-01-23 11:23:43.000000000 +1100 @@ -1221,6 +1221,11 @@ static void sync_request_write(mddev_t * sbio->bi_sector = r1_bio->sector + conf->mirrors[i].rdev->data_offset; sbio->bi_bdev = conf->mirrors[i].rdev->bdev; + for (j = 0; j < vcnt ; j++) + memcpy(page_address(sbio->bi_io_vec[j].bv_page), + page_address(pbio->bi_io_vec[j].bv_page), + PAGE_SIZE); + } } } - 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