Linux Learning note--linux Disk Management

The partition management tools in Linux include: Fdisk, parted, Sfdisk

FDISK command can manage up to 15 partitions for a hard disk

Command format: Fdisk-l [-u] [device ...]

Fdisk device can then type the corresponding key value to operate

P:print, showing existing partitions;

650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/72/0E/wKioL1XceyzyUpIRAADV2YK_3Fs051.jpg "title=" capture. PNG "alt=" Wkiol1xceyzyupiraadv2yk_3fs051.jpg "/>

N:new, creating

650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/72/40/wKiom1XfCgHB428iAAA-bpQVQo4478.jpg "title=" Qq20150827205943.png "alt=" Wkiom1xfcghb428iaaa-bpqvqo4478.jpg "/>

E: Create an extended partition

P: Create primary partition

D:delete, deleting

W:write, write to disk and exit

Q:quit, discard the update and exit

M: Get Help

L: The partition ID of the list

T: adjust the partition ID

The file system needs to be created after the partition is created, and the corresponding command has

MKFS command:

(1) # MKFS. Fs_type/dev/device

Ext4

XFS

Btrfs

VFAT

(2) # mkfs-t Fs_type/dev/device

-L ' LABEL ': Set volume label

Mke2fs:ext Series file system dedicated management tools

-t {EXT2|EXT3|EXT4}

-B {1024|2048|4096}

-L ' LABEL '

-j: Equivalent to-t ext3

MKFS.EXT3 = mkfs-t ext3 = mke2fs-j = Mke2fs-t ext3

-I #: Create an inode for each number of bytes in the data space, which should not be less than the size of the block;

-N #: How many inode to create for the data space;

-M #: Percentage of space reserved for managers;

-O feature[,...] : Enable the specified attribute

-O ^feature: Turn off specified attributes

Mkswap: Creating Swap partitions

Mkswap [Options] Device

-L ' LABEL '

There are also other tools that are commonly used

Blkid: Block Device properties Information view

Blkid [OPTION] ... [DEVICE]

-U UUID: Find the corresponding device based on the specified UUID

-L Label: finds the corresponding device according to the specified label

650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/72/40/wKiom1XfDjWjr8NdAAG6_Iik6Jg365.jpg "title=" Qq20150827211738.png "alt=" Wkiom1xfdjwjr8ndaag6_iik6jg365.jpg "/>

E2label: Manage Label for ext series File system

# E2label DEVICE [LABEL]

TUNE2FS: Reset the values of the EXT series file system adjustable parameters

-L: View the specified file system super block information; Super Block

-L ' LABEL ': Modify volume label

-M #: Fixed percentage of space reserved for administrators

-j: Upgrade ext2 to Ext3

-o: File System Properties enabled or disabled

-o: Adjust default mount options for the file system

-U uuid: Modify the UUID number;

DUMPE2FS:

-H: View Super block information

File system Detection Related commands

Fsck:file System CheCk

Fsck. Fs_type

Fsck-t Fs_type

-A: Auto fix error

-r: Interactive fix error

Note:fs_type must be the same as the file type on the partition;

E2fsck:ext series file-specific detection and repair tool

-Y: Auto answer yes;

-F: Forced repair;

650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/72/40/wKiom1XfDuyRnwvUAAIbT-8kOYU674.jpg "title=" Qq20150827212119.png "width=" 564 "height=" 274 "border=" 0 "hspace=" 0 "vspace=" 0 "style=" WIDTH:564PX;HEIGHT:274PX; "alt = "Wkiom1xfduyrnwvuaaibt-8koyu674.jpg"/>

Linux Learning note--linux Disk Management