mkfs.ext3: No such device or address while trying

今天做电子盘，系统已经能起来了，不过发现有个分区不能格式化，出现

mkfs.ext3: No such device or address while trying to determine filesystem size

在网上搜了下，有的说是新增了分区，但是新的分区表还没有生效，需要重启才能生效，如果要马上生效，可以执行命令partprobe命令，可是这个电子盘是精简过的，根本没这个命令，后来才发现这个设备的节点建立的有问题

localhost dev # ls -l

total 3

crw------- 1 root root  5,   1 2009-09-27 22:12 console

lrwxrwxrwx 1 root root      11 2009-09-28 15:18 core -> /proc/kcore

lrwxrwxrwx 1 root root      13 2009-09-28 15:18 fd -> /proc/self/fd

crw-r--r-- 1 root root  1,   7 2009-09-03 17:01 full

brw-r----- 1 root root  3,   0 2009-09-03 17:01 hda

brw-r----- 1 root root  3,   1 2009-09-03 17:01 hda1

brw-r----- 1 root root  3,   2 2009-09-03 17:01 hda2

brw-r--r-- 1 root root  8,   3 2009-09-29 14:07 hda3

localhost dev # rm hda3 

localhost dev # mknod hda3 b 3 3

localhost dev # ls -l

total 3

crw------- 1 root root  5,   1 2009-09-27 22:12 console

lrwxrwxrwx 1 root root      11 2009-09-28 15:18 core -> /proc/kcore

lrwxrwxrwx 1 root root      13 2009-09-28 15:18 fd -> /proc/self/fd

crw-r--r-- 1 root root  1,   7 2009-09-03 17:01 full

brw-r----- 1 root root  3,   0 2009-09-03 17:01 hda

brw-r----- 1 root root  3,   1 2009-09-03 17:01 hda1

brw-r----- 1 root root  3,   2 2009-09-03 17:01 hda2

brw-r--r-- 1 root root  3,   3 2009-09-29 15:38 hda3

搞定