Quota Disk Quota

I. Installation

Yum install quota

Ii. Configuration

1. Create a New partition sdb1 and format it

2,

[[Email protected]/] # mkdir/common

[[Email protected]/] # Mount/dev/sdb1/common/

[[Email protected]/] # Mount

/Dev/sdb1 on/common type ext4 (RW)

Only RW is found.

[[Email protected]/] # Mount-O remount, usrquota/dev/sdb1

/Dev/sdb1 on/common type ext4 (RW, usrquota)

Userquota is added to the property.

[[Email protected]/] # Mount-O remount, usrquota, kgquota/dev/sdb1

[[Email protected]/] # Mount

/Dev/sdb1 on/common type ext4 (RW, usrquota, usrquota, kgquota)

Added the attributes of the target instance.

[[Email protected]/] # umount/dev/sdb1

Step by step:

[[Email protected]/] # Mount-O usrquota, maid/dev/sdb1/common/

 

!!! Disable Firewall

[[Email protected]/] # quotacheck/common/

 

Configure a user quota

[[Email protected] common] # edquota-u RedHat

 

Disk quotas for user RedHat (UID 500 ):

Filesystem blocks soft hard inodes soft hard

/Dev/sdb1 0 204800 409600 0 0 0

 

Soft limit: 200 m hard limit: 400 m

 

[[Email protected] common] # quotaon/common

[[Email protected] common] # quotacheck/common

[[Email protected] common] # quotaon/common/

 

[[Email protected]/] # chmod o + W common/

[[Email protected] common] # Su-RedHat

[[Email protected] common] $ touch ABC

 

You can see that the RedHat user has the permission to create a file.

 

 

Now you can verify

[[Email protected] common] $ dd If =/dev/Zero of = redhat_file BS = 1 m COUNT = 500

Sdb1: warning, user block quota exceeded.

Sdb1: Write failed, user block limit reached.

DD: Writing 'redhat _ file': Disk Quota exceeded

401 + 0 records in

400 + 0 records out

419430400 bytes (419 MB) Copied, 17.6664 S, 23.7 MB/S

[[Email protected] common] $

 

Sdb1: warning, user block quota exceeded. Warning for Soft Limits

Sdb1: Write failed, user block limit reached

The size is 419 MB.

 

You can also restrict your inodes.

[[Email protected] common] # edquota-u RedHat

Disk quotas for user RedHat (UID 500 ):

Filesystem blocks soft hard inodes soft hard

/Dev/sdb1 409600 204800 409600 2 200 1000

 

Set inodes soft limit to 200 hard limit to 1000

 

Use quota-U for viewing

[[Email protected] common] # quota-u RedHat

Disk quotas for user RedHat (UID 500 ):

Filesystem blocks quota limit Grace files quota limit grace

/Dev/sdb1 409600*204800 409600 7 days 2 200 1000

 

Log in as RedHat to view

[[Email protected] common] # Su-RedHat

[[Email protected] ~] $ Quota-s (-S for easy viewing)

Disk quotas for user RedHat (UID 500 ):

Filesystem blocks quota limit Grace files quota limit grace

/Dev/sdb1 409600*204800 409600 6 days 2 200 100

 

[[Email protected] RedHat] # Mount-O remount, usrquota, kgquota/common/

/Dev/sdb1 on/common type ext4 (RW, usrquota, kgquota)

 

[[Email protected] RedHat] # quotaoff/common

[[Email protected] RedHat] # cd/common/

[[Email protected] common] # rm-RF *

 

[[Email protected] common] # quotacheck/common/

[[Email protected] common] # ls

Aquota. User

[[Email protected] common] # quotacheck-g/common/

[[Email protected] common] # ls

Aquota. Group aquota. User

 

[[Email protected] common] # edquota-G RedHat

Edit RedHat group quota

Quota Disk Quota