Linux filsystem og forbrug - Revision history

Tommyb: /* ReiserFS */

2020-08-03T12:17:42Z

ReiserFS

← Older revision		Revision as of 12:17, 3 August 2020
Line 69:		Line 69:
	Filesystem Size Used Avail Use% Mounted on		Filesystem Size Used Avail Use% Mounted on
	/dev/vdb 10G 33M 10G 1% /mnt/test		/dev/vdb 10G 33M 10G 1% /mnt/test

			* Kan ikke direkte finde noget om inodes for ReiserFS : [https://en.wikipedia.org/wiki/ReiserFS]

Tommyb: /* BRTFS */

2020-08-03T12:15:41Z

BRTFS

← Older revision		Revision as of 12:15, 3 August 2020
Line 56:		Line 56:
	Filesystem Size Used Avail Use% Mounted on		Filesystem Size Used Avail Use% Mounted on
	/dev/vdb 10G 17M 8.0G 1% /mnt/test		/dev/vdb 10G 17M 8.0G 1% /mnt/test

			* Dynamic inode allocation [https://btrfs.wiki.kernel.org/index.php/Main_Page]

	==ReiserFS==		==ReiserFS==

Tommyb: /* 16384 bytes-per-inode (default) */

2020-08-03T12:11:25Z

16384 bytes-per-inode (default)

← Older revision		Revision as of 12:11, 3 August 2020
Line 4:		Line 4:
	===16384 bytes-per-inode (default)===		===16384 bytes-per-inode (default)===
	[root@inodetest ~]# mkfs.ext4 /dev/vdb		[root@inodetest ~]# mkfs.ext4 /dev/vdb

	[root@inodetest ~]# df -i /mnt/test/		[root@inodetest ~]# df -i /mnt/test/
	Filesystem Inodes IUsed IFree IUse% Mounted on		Filesystem Inodes IUsed IFree IUse% Mounted on
	/dev/vdb 655360 11 655349 1% /mnt/test		/dev/vdb 655360 11 655349 1% /mnt/test

	[root@inodetest ~]# df -h /mnt/test/		[root@inodetest ~]# df -h /mnt/test/
	Filesystem Size Used Avail Use% Mounted on		Filesystem Size Used Avail Use% Mounted on

Tommyb: /* 16384 bytes-per-inode (default) */

2020-08-03T12:11:10Z

16384 bytes-per-inode (default)

← Older revision		Revision as of 12:11, 3 August 2020
Line 4:		Line 4:
	===16384 bytes-per-inode (default)===		===16384 bytes-per-inode (default)===
	[root@inodetest ~]# mkfs.ext4 /dev/vdb		[root@inodetest ~]# mkfs.ext4 /dev/vdb

	[root@inodetest ~]# df -i /mnt/test/		[root@inodetest ~]# df -i /mnt/test/
	Filesystem Inodes IUsed IFree IUse% Mounted on		Filesystem Inodes IUsed IFree IUse% Mounted on
	/dev/vdb 655360 11 655349 1% /mnt/test		/dev/vdb 655360 11 655349 1% /mnt/test

	[root@inodetest ~]# df -h /mnt/test/		[root@inodetest ~]# df -h /mnt/test/
	Filesystem Size Used Avail Use% Mounted on		Filesystem Size Used Avail Use% Mounted on

Tommyb: /* 16384 bytes-per-inode (default) */

2020-08-03T12:10:54Z

16384 bytes-per-inode (default)

← Older revision		Revision as of 12:10, 3 August 2020
Line 3:		Line 3:
	==Ext4==		==Ext4==
	===16384 bytes-per-inode (default)===		===16384 bytes-per-inode (default)===
	[root@inodetest ~]# mkfs.ext4 /dev/vdb ~~(defaulter til -i 16384)~~		[root@inodetest ~]# mkfs.ext4 /dev/vdb

	[root@inodetest ~]# df -i /mnt/test/		[root@inodetest ~]# df -i /mnt/test/

Tommyb: /* BRTFS */

2020-08-03T12:10:40Z

BRTFS

← Older revision		Revision as of 12:10, 3 August 2020
Line 53:		Line 53:
	/dev/vdb 0 0 0 - /mnt/test		/dev/vdb 0 0 0 - /mnt/test

	root@inodetest:~# df -h /mnt/test/		root@inodetest:~# df -h /mnt/test/
	Filesystem Size Used Avail Use% Mounted on		Filesystem Size Used Avail Use% Mounted on
	/dev/vdb 10G 17M 8.0G 1% /mnt/test		/dev/vdb 10G 17M 8.0G 1% /mnt/test

	==ReiserFS==		==ReiserFS==

Tommyb: Filsystem inodes reseveration

2020-08-03T12:08:28Z

Filsystem inodes reseveration

New page

Lille liste lavet på baggrund af server med mange phpsessions der løb tør for inodes med 100gb fri plads.

==Ext4==
===16384 bytes-per-inode (default)===
[root@inodetest ~]# mkfs.ext4 /dev/vdb (defaulter til -i 16384)

[root@inodetest ~]# df -i /mnt/test/
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/vdb 655360 11 655349 1% /mnt/test

[root@inodetest ~]# df -h /mnt/test/
Filesystem Size Used Avail Use% Mounted on
/dev/vdb 9.8G 37M 9.3G 1% /mnt/test

===8192 bytes-per-inode===
[root@inodetest ~]# mkfs.ext4 -i 8192 /dev/vdb

[root@inodetest ~]# df -i /mnt/test/
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/vdb 1310720 11 1310709 1% /mnt/test

[root@inodetest ~]# df -h /mnt/test/
Filesystem Size Used Avail Use% Mounted on
/dev/vdb 9.7G 37M 9.1G 1% /mnt/test

===1024 bytes-per-inode===
[root@inodetest ~]# mkfs.ext4 -i 1024 /dev/vdb

[root@inodetest ~]# df -i /mnt/test/
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/vdb 10485760 11 10485749 1% /mnt/test

[root@inodetest ~]# df -h /mnt/test/
Filesystem Size Used Avail Use% Mounted on
/dev/vdb 7.5G 49M 6.9G 1% /mnt/test

==XFS default==
[root@inodetest ~]# mkfs.xfs /dev/vdb

[root@inodetest ~]# df -i /mnt/test/
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/vdb 5242880 3 5242877 1% /mnt/test

[root@inodetest ~]# df -h /mnt/test/
Filesystem Size Used Avail Use% Mounted on
/dev/vdb 10G 104M 9.9G 2% /mnt/test

==BRTFS==
root@inodetest:~# mkfs.btrfs -f /dev/vdb

root@inodetest:~# df -i /mnt/test/
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/vdb 0 0 0 - /mnt/test

root@inodetest:~# df -h /mnt/test/
Filesystem Size Used Avail Use% Mounted on
/dev/vdb 10G 17M 8.0G 1% /mnt/test

==ReiserFS==
root@inodetest:~# mkfs.reiserfs /dev/vdb

root@inodetest:~# df -i /mnt/test/
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/vdb 0 0 0 - /mnt/test

root@inodetest:~# df -h /mnt/test/
Filesystem Size Used Avail Use% Mounted on
/dev/vdb 10G 33M 10G 1% /mnt/test