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Date:      Fri, 30 May 2008 16:50:51 +0200
From:      Alexander Leidinger <Alexander@Leidinger.net>
To:        Robert Watson <rwatson@FreeBSD.org>
Cc:        cvs-src@FreeBSD.org, Michael Reifenberger <mike@reifenberger.com>, src-committers@FreeBSD.org, cvs-all@FreeBSD.org, John Baldwin <jhb@FreeBSD.org>
Subject:   Re: cvs commit: src/usr.sbin/jexec jexec.8 jexec.c
Message-ID:  <20080530165051.46452soq4pp07n28@webmail.leidinger.net>
In-Reply-To: <20080529155422.T3678@fledge.watson.org>
References:  <200805261157.m4QBvnpF025029@repoman.freebsd.org> <20080526144831.K26343@fledge.watson.org> <20080526140735.GA35960@gw.reifenberger.com> <200805281309.49683.jhb@freebsd.org> <20080529140557.GA94385@gw.reifenberger.com> <20080529151233.I3678@fledge.watson.org> <20080529145319.GC94385@gw.reifenberger.com> <20080529155422.T3678@fledge.watson.org>

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Quoting Robert Watson <rwatson@FreeBSD.org> (from Thu, 29 May 2008 =20
15:56:50 +0100 (BST)):

> On Thu, 29 May 2008, Michael Reifenberger wrote:
>
>> On Thu, May 29, 2008 at 03:14:20PM +0100, Robert Watson wrote: ...
>>> The other concept that might be of benefit is a "dead" jail vs. a =20
>>> "live" jail -- with TCP connections taking a while to run down, =20
>>> there can often be dangling jail references that don't garbage =20
>>> collect for a few minutes. Perhaps, where there is ambiguity, live =20
>>> jails (ones with referencing processes) should be preferred to =20
>>> dead ones.
>>
>> Thats something that the admin should take care for.
>
> How might they do that?  Remember that any command that works only =20
> when the jail IP is "unambiguous" will become effectively =20
> non-deterministic as a result of un-garbage collected jails.  So

Is it feasible to change the hostname of a dying jail? We could prefix =20
it with some string at some point of the shutdown...

Bye,
Alexander.

--=20
The great nations have always acted like gangsters and the small nations
like prostitutes.
=09=09-- Stanley Kubrick

http://www.Leidinger.net    Alexander @ Leidinger.net: PGP ID =3D B0063FE7
http://www.FreeBSD.org       netchild @ FreeBSD.org  : PGP ID =3D 72077137



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