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# filesystem – Makes a filesystem

- Synopsis

- Requirements

- Parameters

- Notes

- Examples

- Status

## Synopsis

- This module creates a filesystem.

## Requirements

The below requirements are needed on the host that executes this module.

- Uses tools related to the fstype (`mkfs`) and `blkid` command. When resizefs is enabled, `blockdev` command is required too.

## Parameters

Parameter | Choices/Defaults | Comments
--- | --- | ---
dev - / required |  | Target path to device or image file. aliases: device
force boolean | Choices: no ← yes | If `yes`, allows to create new filesystem on devices that already has filesystem.
fstype - / required | Choices: btrfs ext2 ext3 ext4 ext4dev f2fs lvm ocfs2 reiserfs xfs vfat swap | Filesystem type to be created. reiserfs support was added in 2.2. lvm support was added in 2.5. since 2.5, dev can be an image file. vfat support was added in 2.5 ocfs2 support was added in 2.6 f2fs support was added in 2.7 swap support was added in 2.8 aliases: type
opts - |  | List of options to be passed to mkfs command.
resizefs boolean | Choices: no ← yes | If `yes`, if the block device and filesystem size differ, grow the filesystem into the space. Supported for `ext2`, `ext3`, `ext4`, `ext4dev`, `f2fs`, `lvm`, `xfs`, `vfat`, `swap` filesystems. XFS Will only grow if mounted. vFAT will likely fail if fatresize < 1.04.

## Notes

Note

- Potential filesystem on dev are checked using `blkid`, in case `blkid` isn’t able to detect an existing filesystem, this filesystem is overwritten even if force is `no`.

## Examples

    - name: Create a ext2 filesystem on /dev/sdb1
      filesystem:
        fstype: ext2
        dev: /dev/sdb1

    - name: Create a ext4 filesystem on /dev/sdb1 and check disk blocks
      filesystem:
        fstype: ext4
        dev: /dev/sdb1
        opts: -cc

## Status

- This module is not guaranteed to have a backwards compatible interface. [preview]

- This module is maintained by the Ansible Community. [community]

### Authors

- Alexander Bulimov (@abulimov)

Hint

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