From owner-cvs-all@FreeBSD.ORG Fri May 30 15:25:23 2008 Return-Path: Delivered-To: cvs-all@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6EFCB106566B; Fri, 30 May 2008 15:25:23 +0000 (UTC) (envelope-from olli@fromme.com) Received: from haluter.fromme.com (unknown [IPv6:2a01:170:102f::3]) by mx1.freebsd.org (Postfix) with ESMTP id F3FBE8FC1F; Fri, 30 May 2008 15:25:22 +0000 (UTC) (envelope-from olli@fromme.com) Received: from haluter.fromme.com (irc_sucks@localhost [127.0.0.1]) by haluter.fromme.com (8.13.4/8.13.4) with ESMTP id m4UFPLcG079974; Fri, 30 May 2008 17:25:21 +0200 (CEST) (envelope-from olli@fromme.com) Received: (from olli@localhost) by haluter.fromme.com (8.13.4/8.12.9/Submit) id m4UFPKOY079972; Fri, 30 May 2008 17:25:20 +0200 (CEST) From: Oliver Fromme Message-Id: <200805301525.m4UFPKOY079972@haluter.fromme.com> To: Alexander@Leidinger.net (Alexander Leidinger) Date: Fri, 30 May 2008 17:25:20 +0200 (CEST) In-Reply-To: <20080530165051.46452soq4pp07n28@webmail.leidinger.net> from "Alexander Leidinger" at May 30, 2008 04:50:51 PM X-Mailer: ELM [version 2.5 PL6] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.1.2 (haluter.fromme.com [127.0.0.1]); Fri, 30 May 2008 17:25:21 +0200 (CEST) Cc: src-committers@FreeBSD.org, John Baldwin , cvs-src@FreeBSD.org, cvs-all@FreeBSD.org, Michael Reifenberger , Robert Watson Subject: Re: cvs commit: src/usr.sbin/jexec jexec.8 jexec.c X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 May 2008 15:25:23 -0000 Alexander Leidinger wrote: > Robert Watson wrote: > > How might they do that? Remember that any command that works only > > when the jail IP is "unambiguous" will become effectively > > 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 > it with some string at some point of the shutdown... I think Robert's idea to differentiate between "dead" and "live" jails is good. So, when jexec has been called with the new -h option and it walks the list of jails, it should skip jails that have no processes attached. Best regards Oliver -- Oliver Fromme, Bunsenstr. 13, 81735 Muenchen, Germany ``We are all but compressed light'' (Albert Einstein)