[relnotes] [Fedora Project Wiki] Update of "Docs/Beats/FileSystems" by KarstenWade

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The following page has been changed by KarstenWade:
http://fedoraproject.org/wiki/Docs/Beats/FileSystems?action=diff&rev2=21&rev1=20

The comment on the change is:
removing how-to information and sending off to appropriate guide; note that link is dead and when alive, points to the draft version in the wiki; this is a TODO to convert the encryption guide

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  file systems.  To use it, add entries to `/etc/crypttab` and reference the
  created devices in `/etc/fstab`.
  
- [[Admonition("note", "Encrypted FS Support Unavailable During Install", "Enable file system encryption after installation.  Anaconda does not have support for creating encrypted block devices.")]]
+ For full instructions on using encrypted file systems, refer to the ''Fedora Encryption and Privacy Guide'':
  
- The following example shows an `/etc/crypttab` entry for a swap partition:
+ http://docs.fedoraproject.org/encryption-privacy-guide
  
+ === Ext4 Preview ===
- {{{my_swap /dev/sdb1 /dev/urandom swap,cipher=aes-cbc-essiv:sha256
- }}}
  
+ The new ext4 file system is available in Fedora 9 as a nearly feature complete preview.  Testers are encouraged to review the documentation and try implementations of ext4.  When finally integrated, users should experience no problems with the new file system, and should find it bigger, better, and faster.
- This command creates an encrypted block device `/dev/mapper/my_swap`, which can be
- referenced in `/etc/fstab`.  The next example shows an entry for a filesystem volume:
  
+ While an ext3 file system can be mounted as ext4, a ext3 to ext4 conversion tool is planned that converts existing ext3 on-disk format to ext4.
- {{{my_volume /dev/sda5 /etc/volume_key cipher=aes-cbc-essiv:sha256
- }}}
  
+ For more information about this feature:
- The `/etc/volume_key` file contains a plaintext encryption key.  You can
- also specify {{{none}}} as the key file name, and the system instead asks for the encryption key during boot.
  
- The recommended method is to use ''LUKS'' for file system volumes.  If you are using LUKS you can drop the `cipher=` declaration in `/etc/crypttab`.
+ http://fedoraproject.org/wiki/FedoraExt4
  
+ http://fedoraproject.org/wiki/Features/Ext4
-  1. Create the encrypted volume using {{{cryptsetup luksFormat}}}.
-  1. Add the necessary entry to `/etc/crypttab`.
-  1. Set up the volume manually using {{{cryptsetup luksOpen}}} or reboot.
-  1. Create a filesystem on the encrypted volume.
-  1. Set up an entry in `/etc/fstab`.