=== Verify ===
Remount the file system /var/backup and check, if /var/backup has the desired values:
<source lang="bash">xfs_quota -x -c state /var/backup</source>
As you can see (items marked bold), we have achieved our goal:
<source lang="bash">User quota state on /var/backup (/dev/vdb1) Accounting: '''ON''' Enforcement: '''ON''' Inode: #131 (3 blocks, 2 extents) Group quota state on /var/backup (/dev/vdb1) Accounting: OFF Enforcement: OFF Inode: #809717 (1 blocks, 1 extents) Project quota state on /var/backup (/dev/vdb1) Accounting: '''ON''' Enforcement: '''ON''' Inode: #809717 (1 blocks, 1 extents) Blocks grace time: [7 days 00:00:30] Inodes grace time: [7 days 00:00:30] Realtime Blocks grace time: [7 days 00:00:30]</source>
=== User Quotas ===