Co robi MKE2FS użycie. Konsola the number of blocks on the device or allow mke2fs to guess.

Czy przydatne?

Polecenie mke2fs

Wykonanie, użycie: System administration command. Format device as a Linux Second Extended Filesystem. You may specify the number of blocks on the device or allow mke2fs to guess

Opcje wykonania mke2fs w konsoli

-b block-size

Specify block size in bytes.


Scan device for bad blocks before execution.

-E featurelist

Specify extended features. This option's parameters may be given in a comma-separated list:


Configure filesystem for a RAID array. Set stride size to size blocks per stripe.


Reserve descriptor table space to grow filesystem to the specified number of blocks.

-f fragment-size

Specify fragment size in bytes.


Force mke2fs to run even if filesystem is mounted or device is not a block special device. This option is probably best avoided.

-i bytes-per-inode

Create an inode for each bytes-per-inode of space. bytes-per-inode must be 1024 or greater; it is 4096 by default.


Create an ext3 journal. This is the same as invoking mkfs.ext3.

-J parameterlist

Use specified parameterlist to create an ext3 journal. The following two parameters may be given in a comma-separated list:


Create a journal of journal-size megabytes. The size may be between 1024 filesystem blocks and 102,400 filesystem blocks in size (e.g., 1-100 megabytes if using 1K blocks, 4-400 megabytes if using 4K blocks).


Use an external journal-device to hold the filesystem journal. The journal-device can be specified by name, by volume label, or by UUID.

-l filename

Consult filename for a list of bad blocks.

-L label

Set volume label for filesystem.

-m percentage

Reserve percentage percent of the blocks for use by privileged users.

-M directory

Set the last mounted directory for filesystem to directory.


Don't create the filesystem; just show what would happen if it were run. This option is overridden by -F.

-N inodes

Specify number of inodes to reserve for filesystem. By default, this number is calculated from the number of blocks and the inode size.

-o os

Set filesystem operating system type to os. The default value is usually Linux.

-O featurelist

Use specified featurelist to create filesystem. The sparse_super and filetype features are used by default on kernels 2.2 and later. The following parameters may be given in a comma-separated list:


Use hashed B-trees to index directories.


Store file type information in directory entries.


Create an ext3 journal. Same as using the -j option.


Prepare an external journaling device by creating an ext3 journal on device instead of formatting it.


Save space on a large filesystem by creating fewer superblock backup copies.


Quiet mode.

-r revision

Set filesystem revision number to revision.


Write only superblock and group descriptors; suppress writing of inode table and block and inode bitmaps. Useful only when attempting to salvage damaged systems.

-T use

Set bytes-per-inode based on the intended use of the filesystem. Supported filesystem types are:


Four kilobytes per inode.


One megabyte per inode.


Four megabytes per inode.


Verbose mode.


Print version number, then exit.

Przykłady mke2fs działanie w Słownik polecenie M

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