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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