Filesystems - Revision history

Pigs: /* SSD TRIM support */ don't mention filesystem specific mount options

2025-06-08T05:41:11Z

SSD TRIM support: don't mention filesystem specific mount options

← Older revision		Revision as of 05:41, 8 June 2025
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	On NixOS, [https://en.wikipedia.org/wiki/Trim_(computing) TRIM] support is enabled by default by the {{nixos:option\|services.fstrim.enable}} option. This periodically discards unused blocks on supported storage devices, helping to maintain SSD performance over time.		On NixOS, [https://en.wikipedia.org/wiki/Trim_(computing) TRIM] support is enabled by default by the {{nixos:option\|services.fstrim.enable}} option. This periodically discards unused blocks on supported storage devices, helping to maintain SSD performance over time.

	The trimming schedule is controlled by the {{nixos:option\|services.fstrim.interval}} option. Continuous trimming (as set by the <code>discard</code> or <code>~~discard=sync~~</code>) mount option is not recommended as it can negatively impact SSD performance.		The trimming schedule is controlled by the {{nixos:option\|services.fstrim.interval}} option. Continuous trimming (as set by the <code>discard</code>, see <code>man mount(8)</code>) mount option is not recommended as it can negatively impact SSD performance.

	Additionally, setting <code>noatime</code> can reduce the number of disk writes and can improve system performance.		Additionally, setting <code>noatime</code> can reduce the number of disk writes and can improve system performance.

Pigs: /* SSD TRIM support */ reflect current defaults and best practices

2025-06-06T16:41:46Z

SSD TRIM support: reflect current defaults and best practices

← Older revision		Revision as of 16:41, 6 June 2025
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	=== SSD TRIM support ===		=== SSD TRIM support ===

	~~If you are using an SSD it may be useful to enable~~ [https://en.wikipedia.org/wiki/Trim_(computing) TRIM] support ~~as well~~ as set ~~filesystem flags to improve~~ the SSD performance:		On NixOS, [https://en.wikipedia.org/wiki/Trim_(computing) TRIM] support is enabled by default by the {{nixos:option\|services.fstrim.enable}} option. This periodically discards unused blocks on supported storage devices, helping to maintain SSD performance over time.

			The trimming schedule is controlled by the {{nixos:option\|services.fstrim.interval}} option. Continuous trimming (as set by the <code>discard</code> or <code>discard=sync</code>) mount option is not recommended as it can negatively impact SSD performance.

			Additionally, setting <code>noatime</code> can reduce the number of disk writes and can improve system performance.

	{{file\|/etc/nixos/configuration.nix\|nix\|		{{file\|/etc/nixos/configuration.nix\|nix\|
	<nowiki>		<nowiki>
	fileSystems."/".options = [ "noatime~~" "nodiratime" "discard~~" ];		fileSystems."/".options = [ "noatime" ];
	</nowiki>		</nowiki>
	}}		}}


	= References =		= References =
	<references />		<references />

Pigs: Move ssd trim information from nixos-generate-config wiki page

2025-05-24T17:57:27Z

Move ssd trim information from nixos-generate-config wiki page

@@ Line 64: / Line 64: @@
 };
 </syntaxhighlight>
 = References =
 <references />

Fschn90: the mentioned example is not part of the quote or relevant in the rest of the article

2025-01-05T20:46:47Z

the mentioned example is not part of the quote or relevant in the rest of the article

← Older revision		Revision as of 20:46, 5 January 2025
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	<blockquote>		<blockquote>
	Bind mounting allows a filesystem hierarchy or a file to be mounted at a different mount point. Unlike a symbolic link, a bind mount does not exist on the filesystem itself. ~~In the following example, the path {{ic\|/olddir}} will be mounted in {{ic\|/newdir}}~~		Bind mounting allows a filesystem hierarchy or a file to be mounted at a different mount point. Unlike a symbolic link, a bind mount does not exist on the filesystem itself.<ref>[https://en.wikipedia.org/wiki/Mount_(Unix)#Bind_mounting Wikipedia - Bind mount]</ref>
	<ref>[https://en.wikipedia.org/wiki/Mount_(Unix)#Bind_mounting Wikipedia - Bind mount]</ref>
	</blockquote>		</blockquote>

ExRyuske: added the "exec" option as it helps to run steam games on another drive

2024-10-07T21:30:17Z

added the "exec" option as it helps to run steam games on another drive

← Older revision		Revision as of 21:30, 7 October 2024
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	"users" # Allows any user to mount and unmount		"users" # Allows any user to mount and unmount
	"nofail" # Prevent system from failing if this drive doesn't mount		"nofail" # Prevent system from failing if this drive doesn't mount
			"exec" # Permit execution of binaries and other executable files
	];		];
	};		};

Samueldr: /* Bind mounts */ Drop stray quoted ref :/

2024-04-08T05:50:15Z

Bind mounts: Drop stray quoted ref :/

← Older revision		Revision as of 05:50, 8 April 2024
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	<blockquote>		<blockquote>
	Bind mounting allows a filesystem hierarchy or a file to be mounted at a different mount point. Unlike a symbolic link, a bind mount does not exist on the filesystem itself.~~[3]~~ In the following example, the path {{ic\|/olddir}} will be mounted in {{ic\|/newdir}}		Bind mounting allows a filesystem hierarchy or a file to be mounted at a different mount point. Unlike a symbolic link, a bind mount does not exist on the filesystem itself. In the following example, the path {{ic\|/olddir}} will be mounted in {{ic\|/newdir}}
	<ref>[https://en.wikipedia.org/wiki/Mount_(Unix)#Bind_mounting Wikipedia - Bind mount]</ref>		<ref>[https://en.wikipedia.org/wiki/Mount_(Unix)#Bind_mounting Wikipedia - Bind mount]</ref>
	</blockquote>		</blockquote>

imported>Jmarmstrong1207 at 03:28, 5 March 2024

2024-03-05T03:28:37Z

← Older revision		Revision as of 03:28, 5 March 2024
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	device = "/dev/disk/by-uuid/4f999afe-6114-4531-ba37-4bf4a00efd9e";		device = "/dev/disk/by-uuid/4f999afe-6114-4531-ba37-4bf4a00efd9e";
	fsType = "exfat";		fsType = "exfat";
	options = [		options = [ # If you don't have this options attribute, it'll default to "defaults"
	# boot options for fstab. Search up fstab mount options you can use		# boot options for fstab. Search up fstab mount options you can use
	"users" # Allows any user to mount and unmount		"users" # Allows any user to mount and unmount
			"nofail" # Prevent system from failing if this drive doesn't mount

	];		];
	};		};

imported>Jmarmstrong1207: Add section for making disk visible in file explorer

2024-03-05T03:06:39Z

Add section for making disk visible in file explorer

← Older revision		Revision as of 03:06, 5 March 2024
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	};		};
	</syntaxhighlight>		</syntaxhighlight>

			== Making disk visible in your file explorer ==
			You might not see the disk in your file explorer (ie GNOME Nautilus). Add to the options: <code>x-gvfs-show</code> and it'll show up.

	== Porting /etc/fstab ==		== Porting /etc/fstab ==

imported>ClaasF: Added quotes, otherwise the config wouldn't work.

2024-03-01T14:32:21Z

Added quotes, otherwise the config wouldn't work.

← Older revision		Revision as of 14:32, 1 March 2024
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	options = [		options = [
	# boot options for fstab. Search up fstab mount options you can use		# boot options for fstab. Search up fstab mount options you can use
	users # Allows any user to mount and unmount		"users" # Allows any user to mount and unmount
	];		];
	};		};

imported>Jmarmstrong1207: Change link location

2024-03-01T05:11:28Z

Change link location

← Older revision		Revision as of 05:11, 1 March 2024
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	[[category:filesystem]]		[[category:filesystem]]
	{{ic\|fileSystems}} is a NixOS[[Category:NixOS]] option that allows the user to mount filesystems at specific mount points. The mounted filesystems may also be encrypted. Also see [https://nixos.org/manual/nixos/stable/options.html#opt-fileSystems the fileSystem option documentation].		{{ic\|fileSystems}} is a NixOS[[Category:NixOS]] option that allows the user to mount filesystems at specific mount points. The mounted filesystems may also be encrypted. Also see [https://nixos.org/manual/nixos/stable/options.html#opt-fileSystems the fileSystem option documentation].

			For boot mount options, [https://manpages.ubuntu.com/manpages/noble/en/man8/mount.8.html#filesystem-independent%20mount%20options check here].

	Common example filesystem mount. You can put this in configuration.nix:		Common example filesystem mount. You can put this in configuration.nix:
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	fsType = "exfat";		fsType = "exfat";
	options = [		options = [
	# boot options for fstab~~. [https://manpages.ubuntu.com/manpages/noble/en/man8/mount 8.html#filesystem-independent%20mount%20options You can check them here]~~. Search up fstab options ~~for further details~~		# boot options for fstab. Search up fstab mount options you can use
	users # Allows any user to mount and unmount		users # Allows any user to mount and unmount
	];		];