"ERROR: ioctl(DEV_REPLACE_START) failed on \"%s\": %s, %s\n",
path, strerror(errno),
replace_dev_result2string(start_args.result));
+
+ if (errno == EOPNOTSUPP)
+ fprintf(stderr,
+ "WARNING: dev_replace does not yet handle RAID5/6\n");
+
goto leave_with_error;
}