手工格式化硬盘.doc

手工格式化硬盘# fdisk /dev/sda /进入分割硬盘模式The number of cylinders for this disk is set to 19457.There is nothing wrong with that, but this is larger than 1024,and could in certain setups cause problems with:1) software that runs at boot time (e.g., old versions of LILO)2) booting and partitioning software from other OSs (e.g., DOS FDISK, OS/2 FDISK)Command (m for help): d /删除一个分区Selected partition 1Command (m for help): w /写入磁盘退出分区程序，按w这个分区就等于是删除了The partition table has been altered!Calling ioctl() to re-read partition tablefdisk: WARNING: rereading partition table failed, kernel still uses old table: Device or resource busy重 启# fdisk /dev/sdaThe number of cylinders for this disk is set to 19457.There is nothing wrong with that, but this is larger than 1024,and could in certain setups cause problems with:1) software that runs at boot time (e.g., old versions of LILO)2) booting and partitioning software from other OSs (e.g., DOS FDISK, OS/2 FDISK)Command (m for help): n /添加一个新分区Command action e extended p primary partition (1-4)P /显示分区表Partition number (1-4): 1First cylinder (1-19457, default 1):Using default value 1Last cylinder or +size or +sizeM or +sizeK (1-19457, default 19457):Using default value 19457Command (m for help): w /按下w 保存退出皆可，分区工作结束The partition table has been altered!Calling ioctl() to re-read partition table# umount /mnt/usb1 /卸载文件系统，/mnt/usb1是磁盘挂载目录# mkfs.ext3 /dev/sda1 /格式化，其中/dev/sda1是硬盘分区名，而不是硬盘设备名mke2fs 1.41.5 (23-Apr-2009)Filesystem label=OS type: LinuxBlock size=4096 (log=2)Fragment size=4096 (log=2)9773056 inodes, 39072080 blocks1953604 blocks (5.00%) reserved for the super userFirst data block=0Maximum filesystem blocks=01193 block groups32768 blocks per group, 32768 fragments per group8192 inodes per groupSuperblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872Writing inode tables: done Creating journal (32768 blocks): doneWriting superblocks and filesystem accounting information: doneThis filesystem will be automatically checked every 27 mounts or180 days, whichever comes first. Use tune2fs -c or -i to override.#重 启动fdisk -l /dev/sda ，观察硬盘之实体使用情形，可以查看磁盘格式化情况附录：按m是显示命令帮助出现如下界面Command action a toggle a bootable flag 设置引导扇区 b edit bsd disklabel 编辑卷标（linux下使用的卷标bsd通用） c toggle the dos compatibility flag d delete a partition 删除一个分区 l list known partition types 列出已知分区类型 m print this menu 显示该菜单 n add a new partition 添加一个新分区 o create a new empty DOS partition table p print the partition table 显示分区表 q quit without saving changes 保存不退出 s create a new empty Sun disklabel t change a partitions system id 修改分区