Hi, I'm testing quota with latest maintenance release (Lustre 2.4.2). I found that Lustre still allow the users to write the file over hard limit. Let's see the example below. I've set 500MB soft limit and 530MB hard limit. But I can write a 700MB file. [patrick@client lustre]$ dd if=/dev/zero of=/lustre/file bs=1M count=700 700+0 records in 700+0 records out 734003200 bytes (734 MB) copied, 31.6627 s, 23.2 MB/s [root@client lustre]# lfs quota -u patrick /lustre/ Disk quotas for user patrick (uid 500): Filesystem kbytes quota limit grace files quota limit grace /lustre/ 716804* 500000 530000 - 1 0 0 - Regards, Patrick