quotas in jails

Valeri Galtsev galtsev at kicp.uchicago.edu
Tue Nov 12 20:30:39 UTC 2019

On 2019-11-12 12:13, Ernie Luzar wrote:
> Valeri Galtsev wrote:
>> On 2019-11-07 15:34, Ernie Luzar wrote:
>>> Has anyone been able to get quotas to work in multiple jails?
>> I'm not certain I quite understand what you are asking.
>> I'm successfully using UFS-2 filesystem quotas. In my case filesystems 
>> with quotas set up as you usually would are mounted on host system, 
>> and nullfs mounted beneath jail's root point (can be on various levels).
>> Valeri
> Thank you for your reply Valeri. But I am having trouble comprehending 
> what your words are saying as related to the system configuration files.
> I am working with RELEASE 12.0 and quotas is included in the delivered 
> kernel so need to compile the quota option into the kernel.


In /etc/fstab I have

/dev/da0p6   /path/to/data ufs     rw,userquota     2       2
/path/to/data   /jails/jail1/insidejail/data   nullfs  rw  0  0

# execute

mount -a

# set quotas for some user:

edquota -u -e /home:100G:110G:1000000:1100000 prototypeuser

# set quota for range of userids same as that of user: prototypeuser

edquota -u -e /path/to/data:100G:110G:1000000:1100000 prototypeuser

You are done.


> I used bsdinstall to install the system from scratch and selected to use 
> the whole hard drive as a single partition. I manually added 
> quota_enable="YES" to the rc.conf file and rebooted. In the boot 
> messages I see message that quote started normally.
> My jail is a directory tree type at path /usr/jails/jailname and I can 
> start and stop that jail using the jail command with no problems.
> My goal is for the jail users to issue the quota commands to check on 
> how much space they have used of the allowed space.
> The man jail documentation says the path /usr/jails/jailname is called a 
> filesystem. I this the same thing you are calling a filesystem?
> An excerpt of the configuration statements and the name of the files 
> they go in would sure be helpful in understanding how you have your jail 
> quota environment setup.
> Thanks in advance for any help.

Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247

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