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  • U盘 格式化 ext3 ext4

    [root@ok Desktop]# mkfs.ext3 /dev/sdc
    mke2fs 1.41.12 (17-May-2010)
    /dev/sdc is entire device, not just one partition!
    Proceed anyway? (y,n) y
    Filesystem label=
    OS type: Linux
    Block size=4096 (log=2)
    Fragment size=4096 (log=2)
    Stride=0 blocks, Stripe width=0 blocks
    61054976 inodes, 244190646 blocks
    12209532 blocks (5.00%) reserved for the super user
    First data block=0
    Maximum filesystem blocks=4294967296
    7453 block groups
    32768 blocks per group, 32768 fragments per group
    8192 inodes per group
    Superblock backups stored on blocks: 
    	32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 
    	4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 
    	102400000, 214990848
    
    Writing inode tables: done                            
    Creating journal (32768 blocks): done
    Writing superblocks and filesystem accounting information: 
    #这里要卡一会,因为磁盘是1T的
    
    Writing superblocks and filesystem accounting information: done
    
    This filesystem will be automatically checked every 20 mounts or
    180 days, whichever comes first.  Use tune2fs -c or -i to override.
    

     下面进行磁盘分区:

    [root@ok Desktop]# fdisk /dev/sdc
    Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
    Building a new DOS disklabel with disk identifier 0xd907b092.
    Changes will remain in memory only, until you decide to write them.
    After that, of course, the previous content won't be recoverable.
    
    Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
    
    WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
             switch off the mode (command 'c') and change display units to
             sectors (command 'u').
    
    Command (m for help): m
    Command action
       a   toggle a bootable flag
       b   edit bsd disklabel
       c   toggle the dos compatibility flag
       d   delete a partition
       l   list known partition types
       m   print this menu
       n   add a new partition
       o   create a new empty DOS partition table
       p   print the partition table
       q   quit without saving changes
       s   create a new empty Sun disklabel
       t   change a partition's system id
       u   change display/entry units
       v   verify the partition table
       w   write table to disk and exit
       x   extra functionality (experts only)
    
    Command (m for help): 
    
    Command (m for help): n
    Command action
       e   extended
       p   primary partition (1-4)
    p
    Partition number (1-4): 1
    First cylinder (1-121601, default 1): 
    Using default value 1
    Last cylinder, +cylinders or +size{K,M,G} (1-121601, default 121601): 30400
    
    Command (m for help): n
    Command action
       e   extended
       p   primary partition (1-4)
    p
    Partition number (1-4): 2
    First cylinder (30401-121601, default 30401): 
    Using default value 30401
    Last cylinder, +cylinders or +size{K,M,G} (30401-121601, default 121601): 60800
    
    Command (m for help): n
     
    Command action
       e   extended
       p   primary partition (1-4)
    p 
    Partition number (1-4): 3
    First cylinder (60801-121601, default 60801): 
    Using default value 60801
    Last cylinder, +cylinders or +size{K,M,G} (60801-121601, default 121601): 91200
    
    Command (m for help): n
    Command action
       e   extended
       p   primary partition (1-4)
    e
    Selected partition 4
    First cylinder (91201-121601, default 91201): 
    Using default value 91201
    Last cylinder, +cylinders or +size{K,M,G} (91201-121601, default 121601): 
    Using default value 121601
    
    Command (m for help): w
    The partition table has been altered!
    
    Calling ioctl() to re-read partition table.
    Syncing disks.
    
    Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes
    255 heads, 63 sectors/track, 121601 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x447d7cde
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sdc1               1       30400   244187968+  83  Linux
    /dev/sdc2           30401       60800   244188000   83  Linux
    /dev/sdc3           60801       91200   244188000   83  Linux
    /dev/sdc4           91201      121601   244196032+   5  Extended
    
    [root@ok Desktop]# fdisk /dev/sdc
    
    WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
             switch off the mode (command 'c') and change display units to
             sectors (command 'u').
    
    Command (m for help): m
    Command action
       a   toggle a bootable flag
       b   edit bsd disklabel
       c   toggle the dos compatibility flag
       d   delete a partition
       l   list known partition types
       m   print this menu
       n   add a new partition
       o   create a new empty DOS partition table
       p   print the partition table
       q   quit without saving changes
       s   create a new empty Sun disklabel
       t   change a partition's system id
       u   change display/entry units
       v   verify the partition table
       w   write table to disk and exit
       x   extra functionality (experts only)
    
    Command (m for help): n
    First cylinder (91201-121601, default 91201): 
    Using default value 91201
    Last cylinder, +cylinders or +size{K,M,G} (91201-121601, default 121601): 
    Using default value 121601
    
    Command (m for help): w
    The partition table has been altered!
    
    Calling ioctl() to re-read partition table.
    Syncing disks.
    [root@ok Desktop]# fdisk -l
    
    Disk /dev/sda: 500.1 GB, 500107862016 bytes
    255 heads, 63 sectors/track, 60801 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes
    Disk identifier: 0x000dcf9e
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sda1   *           1          64      512000   83  Linux
    Partition 1 does not end on cylinder boundary.
    /dev/sda2              64       60802   487873536   8e  Linux LVM
    
    Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes
    255 heads, 63 sectors/track, 121601 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x447d7cde
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sdc1               1       30400   244187968+  83  Linux
    /dev/sdc2           30401       60800   244188000   83  Linux
    /dev/sdc3           60801       91200   244188000   83  Linux
    /dev/sdc4           91201      121601   244196032+   5  Extended
    /dev/sdc5           91201      121601   244196001   83  Linux
    
    Disk /dev/mapper/vg_ok-lv_root: 53.7 GB, 53687091200 bytes
    255 heads, 63 sectors/track, 6527 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes
    Disk identifier: 0x00000000
    
    
    Disk /dev/mapper/vg_ok-lv_swap: 3841 MB, 3841982464 bytes
    255 heads, 63 sectors/track, 467 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes
    Disk identifier: 0x00000000
    

     进行格式化:

    [root@ok Desktop]# mkfs.ext4 /dev/sdc1 
    mke2fs 1.41.12 (17-May-2010)
    warning: 208 blocks unused.
    
    Filesystem label=
    OS type: Linux
    Block size=4096 (log=2)
    Fragment size=4096 (log=2)
    Stride=0 blocks, Stripe width=0 blocks
    15291504 inodes, 61046784 blocks
    3052349 blocks (5.00%) reserved for the super user
    First data block=0
    Maximum filesystem blocks=4294967296
    1863 block groups
    32768 blocks per group, 32768 fragments per group
    8208 inodes per group
    Superblock backups stored on blocks: 
    	32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 
    	4096000, 7962624, 11239424, 20480000, 23887872
    
    Writing inode tables: done                            
    Creating journal (32768 blocks): done
    Writing superblocks and filesystem accounting information: done
    
    This filesystem will be automatically checked every 34 mounts or
    180 days, whichever comes first.  Use tune2fs -c or -i to override.
    

     同理:

     mkfs.ext4 /dev/sdc2
     mkfs.ext4 /dev/sdc3
     mkfs.ext4 /dev/sdc5
    [root@ok Desktop]# fdisk -l
    
    Disk /dev/sda: 500.1 GB, 500107862016 bytes
    255 heads, 63 sectors/track, 60801 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes
    Disk identifier: 0x000dcf9e
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sda1   *           1          64      512000   83  Linux
    Partition 1 does not end on cylinder boundary.
    /dev/sda2              64       60802   487873536   8e  Linux LVM
    
    Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes
    255 heads, 63 sectors/track, 121601 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x447d7cde
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sdc1               1       30400   244187968+  83  Linux
    /dev/sdc2           30401       60800   244188000   83  Linux
    /dev/sdc3           60801       91200   244188000   83  Linux
    /dev/sdc4           91201      121601   244196032+   5  Extended
    /dev/sdc5           91201      121601   244196001   83  Linux
    
    Disk /dev/mapper/vg_ok-lv_root: 53.7 GB, 53687091200 bytes
    255 heads, 63 sectors/track, 6527 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes
    Disk identifier: 0x00000000
    
    
    Disk /dev/mapper/vg_ok-lv_swap: 3841 MB, 3841982464 bytes
    255 heads, 63 sectors/track, 467 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes
    Disk identifier: 0x00000000
    
    
    Disk /dev/mapper/vg_ok-lv_home: 442.1 GB, 442050281472 bytes
    255 heads, 63 sectors/track, 53742 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes
    Disk identifier: 0x00000000
    
    [root@ok Desktop]# cd /mnt/
    [root@ok mnt]# ls
    [root@ok mnt]# mkdir dir{1,2,3,5}
    [root@ok mnt]# ls
    dir1  dir2  dir3  dir5
    [root@ok mnt]# mount /dev/sdc1 /mnt/dir1
    [root@ok mnt]# mount /dev/sdc2 /mnt/dir2
    [root@ok mnt]# mount /dev/sdc3 /mnt/dir3
    [root@ok mnt]# mount /dev/sdc5 /mnt/dir5
    
    root@ok mnt]# df -h
    Filesystem            Size  Used Avail Use% Mounted on
    /dev/mapper/vg_ok-lv_root
                           50G   11G   37G  22% /
    tmpfs                 1.8G  328K  1.8G   1% /dev/shm
    /dev/sda1             477M   85M  368M  19% /boot
    /dev/mapper/vg_ok-lv_home
                          406G  110G  275G  29% /home
    /dev/sdc1             230G   60M  218G   1% /mnt/dir1
    /dev/sdc2             230G   60M  218G   1% /mnt/dir2
    /dev/sdc3             230G   60M  218G   1% /mnt/dir3
    /dev/sdc5             230G   60M  218G   1% /mnt/dir5
    
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  • 原文地址:https://www.cnblogs.com/bass6/p/5656300.html
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