Linux 101 hacks New edition by Ulysse Valleux

Author:Ulysse Valleux [Valleux, Ulysse]
Language: eng
Format: azw3
Publisher: UNKNOWN
Published: 2018-10-02T16:00:00+00:00

Hack 57. Mount a Partition

After creating a partition and formatting, you can mount it to a mount point.

First create a directory where the partition should be mounted.

# mkdir /home/database

Mount the file system.

# mount /dev/sda1 /home/database

To automatically mount the filesystem after the reboot, add the following entry to the /etc/fstab

/dev/sda1 /home/database ext3 defaults 0 2

Hack 58. Fine Tune a Partition Using tune2fs

Use the tune2fs –l /dev/sda1 to view the filesystem information as shown below. # tune2fs -l /dev/sda1

tune2fs 1.35 (28-Feb-2004)

Filesystem volume name: /home/database

Last mounted on: <not available>

Filesystem UUID: f1234556-e123-1234-abcdbbbbaaaaae11 Filesystem magic number: 0xEF44

Filesystem revision #: 1 (dynamic)

Filesystem features: resize_inode filetype sparse_super Default mount options: (none)

Filesystem state: not clean

Errors behavior: Continue

Filesystem OS type: Linux

Inode count: 1094912

Block count: 140138994

Reserved block count: 0

Free blocks: 16848481

Free inodes: 1014969

First block: 0

Block size: 2048

Fragment size: 2048

Reserved GDT blocks: 512

Blocks per group: 16384

Fragments per group: 16384

Inodes per group: 128

Inode blocks per group: 8

Filesystem created: Tue Jul 1 00:06:03 2008 Last mount time: Thu Aug 21 05:58:25 2008 Last write time: Fri Jan 2 15:40:36 2009 Mount count: 2

Maximum mount count: 20

Last checked: Tue Jul 1 00:06:03 2008 Check interval: 15552000 (6 months) Next check after: Sat Dec 27 23:06:03 2008 Reserved blocks uid: 0 (user root)

Reserved blocks gid: 0 (group root) First inode: 11

Inode size: 128

Default directory hash: tea

Directory Hash Seed: 12345829-1236-4123-9aaaccccc123292b You can also use the tune2fs to tune the ex2/ext3 filesystem parameter. For example, if you want to change the Filesystem volume name, you can do it as shown below.

# tune2fs -l /dev/sda1 | grep volume Filesystem volume name: /home/database

# tune2fs -L database-home /dev/emcpowera1 tune2fs 1.35 (28-Feb-2004)

# tune2fs -l /dev/sda1 | grep volume Filesystem volume name: database-home

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