13. Disk quota management in CentOS 7

Apr 16, 2024#CentOS7学习笔记30

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Disk quota management in CentOS7 for regular users, excluding root user. Steps include adding a new disk, editing /etc/fstab for automatic mounting, installing quota tool, creating quota file, editing user or group quotas, and enabling quotas. Quotas can be set for blocks (file size) and inodes (file quantity) with soft and hard limits. Disk quotas are a feature of the ext4 file system.

Disk Quota Management in CentOS 7#

Excluding root users, for regular users

Experimental Steps#

Add a new hard drive (partition, format, mount)
Edit the /etc/fstab file to configure automatic mounting (rw, usrquota, grpquota)
Install quota tool: yum -y install quota
Create quota file: quotacheck -ug /media/disk
Edit user quotas or group quotas: edquota -u user or edquota -g group

blocks: Limits based on file size

inodes: Limits based on the number of files

soft: Soft limit (warning)

hard: Hard limit (restriction)

Enable quotas: quotaon -ug /media/disk

Disable quotas: quotaoff -ug /media/disk
Verify with the user mike (ensure write permissions):

Disk quota is a feature of the ext4 file system