PROMISE_F_ONLINE
PROMISE_F_ONLINE | PROMISE_F_REDIR;
meta->disks[pos].flags |= PROMISE_F_ONLINE;
meta->disk.flags = PROMISE_F_ONLINE | PROMISE_F_VALID;
meta->disk.flags = PROMISE_F_SPARE | PROMISE_F_ONLINE | PROMISE_F_VALID;
} else if (!(meta->disks[md_disk_pos].flags & PROMISE_F_ONLINE)) {