Set disk quotas and raid in Linux

First article: Setting disk quotas

Review

Executing in the kernel

Enabled as a file system

Different policies for different groups or users

Restrict by block or node

Execute soft limit (soft limit)

Hard Limit

Initialization

Partition mount options: Usrquota, Grpquota

Initialize database: Quotacheck

Perform

Open or Cancel quotas: Quotaon, Quotaoff

Direct Edit quota: Edquota username

Edit directly in the shell:

Setquota usename 4096 5120 50/foo

Define the original Standard user

Edquota-p user1 User2

Report

User survey: Quota

Quota Overview: Repquota

Other tools: Warnquota

The following steps are implemented for disk quotas:

1. Enable Quota Mount options
Vim/etc/fstab Usrquota,grpquota
2. Create a quota database
Quotacheck-cug/home
Setenforce 0
3. Enable the database
Quotaon-p/Home View whether the database is enabled
Quotaon/home Enabling the Database
4. Set Quota Entries
Edquota Wang
Edquota-p Wang Mage
Setquota Tom 100000 150000 0 0/home
5. Testing
Quota Wang
Repquota/home
Dd

Examples are as follows:

Before the operation, it is best to create a partition, then format it, and then mount it to the home directory under the root, so that the home directory is on a separate partition;

1) Enable disk quota mount option;

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execution of Mount-o remount re-entry into force

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2) Create a quota database

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3) Enable database

Quotaon-p to see if the database is enabled;

Quotaon Enabling the Database

Quotaoff Disabling a database

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Edquota username  

Edquota-p username1 username2 (copy user 1 quota information to User 2)

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Setquota command to set quota information in a non-interactive environment

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5) Testing

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use the Quota command and the Requota command to view

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Set disk quotas and raid in Linux