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Diffstat (limited to 'nixos/doc/manual/configuration/file-systems.xml')
| -rw-r--r-- | nixos/doc/manual/configuration/file-systems.xml | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/nixos/doc/manual/configuration/file-systems.xml b/nixos/doc/manual/configuration/file-systems.xml index 1f762b2b00eb..e4c03de71b72 100644 --- a/nixos/doc/manual/configuration/file-systems.xml +++ b/nixos/doc/manual/configuration/file-systems.xml @@ -5,21 +5,41 @@ xml:id="ch-file-systems"> <title>File Systems</title> <para> - You can define file systems using the <option>fileSystems</option> configuration option. For instance, the following definition causes NixOS to mount the Ext4 file system on device <filename>/dev/disk/by-label/data</filename> onto the mount point <filename>/data</filename>: + You can define file systems using the <option>fileSystems</option> + configuration option. For instance, the following definition causes NixOS to + mount the Ext4 file system on device + <filename>/dev/disk/by-label/data</filename> onto the mount point + <filename>/data</filename>: <programlisting> <xref linkend="opt-fileSystems"/>."/data" = { device = "/dev/disk/by-label/data"; fsType = "ext4"; }; </programlisting> - Mount points are created automatically if they don’t already exist. For <option><link linkend="opt-fileSystems._name__.device">device</link></option>, it’s best to use the topology-independent device aliases in <filename>/dev/disk/by-label</filename> and <filename>/dev/disk/by-uuid</filename>, as these don’t change if the topology changes (e.g. if a disk is moved to another IDE controller). + Mount points are created automatically if they don’t already exist. For + <option><link linkend="opt-fileSystems._name__.device">device</link></option>, + it’s best to use the topology-independent device aliases in + <filename>/dev/disk/by-label</filename> and + <filename>/dev/disk/by-uuid</filename>, as these don’t change if the + topology changes (e.g. if a disk is moved to another IDE controller). </para> <para> - You can usually omit the file system type (<option><link linkend="opt-fileSystems._name__.fsType">fsType</link></option>), since <command>mount</command> can usually detect the type and load the necessary kernel module automatically. However, if the file system is needed at early boot (in the initial ramdisk) and is not <literal>ext2</literal>, <literal>ext3</literal> or <literal>ext4</literal>, then it’s best to specify <option>fsType</option> to ensure that the kernel module is available. + You can usually omit the file system type + (<option><link linkend="opt-fileSystems._name__.fsType">fsType</link></option>), + since <command>mount</command> can usually detect the type and load the + necessary kernel module automatically. However, if the file system is needed + at early boot (in the initial ramdisk) and is not <literal>ext2</literal>, + <literal>ext3</literal> or <literal>ext4</literal>, then it’s best to + specify <option>fsType</option> to ensure that the kernel module is + available. </para> <note> <para> - System startup will fail if any of the filesystems fails to mount, dropping you to the emergency shell. You can make a mount asynchronous and non-critical by adding <literal><link linkend="opt-fileSystems._name__.options">options</link> = [ "nofail" ];</literal>. + System startup will fail if any of the filesystems fails to mount, dropping + you to the emergency shell. You can make a mount asynchronous and + non-critical by adding + <literal><link linkend="opt-fileSystems._name__.options">options</link> = [ + "nofail" ];</literal>. </para> </note> <xi:include href="luks-file-systems.xml" /> |