Question about stopping jails...

[Duane Hill]

On Mon, 7 May 2007, Bill Moran wrote:

> In response to Duane Hill <d.hill at yournetplus.com>:
>
>>
>> I have a FreeBSD server running 6.2 that has two jails configured. As they
>> currently sit, they work perfectly fine. The only issue I currently have
>> is stopping them using the conventional method:
>>
>>    /etc/rc.d/jail stop jail_name
>>
>> It seems the jails do not stop even though the id files within:
>>
>>    /var/run/jail_jail_name.id
>>
>> cease to exist after the stop. 'jls' even shows the two jails as still
>> running. They both are running BIND and do have sshd enabled. After the
>> stop has been issued, you can not ssh into the jails which gives the
>> illusion the jails have stopped. However, you can still access the jails
>> from the server running them using:
>>
>>    jexec jail_id /bin/sh
>>
>> Can someone give me some insight on what I might be doing wrong?
>
> What processes are still running inside the jail when you do that?  In my
> experience, jails fail to stop of there are processes inside them that don't
> stop.

That does make sense. I'll have to check that out the next time I get an 
opportunity to stop the jail(s) and do a 'ps' to look for processes that 
have a 'J' (jail indication) in the STAT column. I should have thought of 
this. Thanks for the reminder.