From owner-freebsd-fs@FreeBSD.ORG Tue Apr 1 04:46:50 2008 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E85751065689; Tue, 1 Apr 2008 04:46:49 +0000 (UTC) (envelope-from root@mmu.edu.my) Received: from staff.cyber.mmu.edu.my (staff.cyber.mmu.edu.my [203.106.62.12]) by mx1.freebsd.org (Postfix) with ESMTP id 24C488FC23; Tue, 1 Apr 2008 04:46:48 +0000 (UTC) (envelope-from root@mmu.edu.my) Received: by staff.cyber.mmu.edu.my (Postfix, from userid 0) id DC1CF4D5CC0; Tue, 1 Apr 2008 12:28:09 +0800 (MYT) Received: from mx2.freebsd.org (mx2.freebsd.org [69.147.83.53]) by mmu.edu.my (Postfix) with ESMTP id 415B755E4AC for ; Thu, 27 Mar 2008 13:37:20 +0800 (MYT) Received: from hub.freebsd.org (hub.freebsd.org [IPv6:2001:4f8:fff6::36]) by mx2.freebsd.org (Postfix) with ESMTP id B033215637B; Thu, 27 Mar 2008 05:36:44 +0000 (UTC) (envelope-from owner-freebsd-current@freebsd.org) Received: from hub.freebsd.org (localhost [127.0.0.1]) by hub.freebsd.org (Postfix) with ESMTP id E74D91065768; Thu, 27 Mar 2008 05:36:42 +0000 (UTC) (envelope-from owner-freebsd-current@freebsd.org) Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 493011065670 for ; Thu, 27 Mar 2008 05:36:33 +0000 (UTC) (envelope-from freebsd-current@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.freebsd.org (Postfix) with ESMTP id 069F28FC1E for ; Thu, 27 Mar 2008 05:36:32 +0000 (UTC) (envelope-from freebsd-current@m.gmane.org) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1Jekmm-0004CW-7x for freebsd-current@freebsd.org; Thu, 27 Mar 2008 05:36:24 +0000 Received: from 195.208.174.178 ([195.208.174.178]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 27 Mar 2008 05:36:24 +0000 Received: from vadim_nuclight by 195.208.174.178 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 27 Mar 2008 05:36:24 +0000 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-current@freebsd.org From: Vadim Goncharov Followup-To: gmane.os.freebsd.current Date: Thu, 27 Mar 2008 05:36:15 +0000 (UTC) Organization: Nuclear Lightning @ Tomsk, TPU AVTF Hostel Lines: 22 Message-ID: References: <47E9448F.1010304@ipfw.ru> <20080326142115.K34007@fledge.watson.org> X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: 195.208.174.178 X-Comment-To: Robert Watson User-Agent: slrn/0.9.8.1 (FreeBSD) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Sender: owner-freebsd-current@freebsd.org Errors-To: owner-freebsd-current@freebsd.org Cc: freebsd-fs@freebsd.org Subject: Re: unionfs status X-BeenThere: freebsd-fs@freebsd.org Reply-To: vadim_nuclight@mail.ru List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Apr 2008 04:46:50 -0000 Hi Robert Watson! On Wed, 26 Mar 2008 14:53:25 +0000 (GMT); Robert Watson wrote about 'Re: unionfs status': > You can imagine a number of schemes to replicate pointer changes around or > track the various outstanding references, but I think a more fundamental > question is whether this is in fact the right behavior at all. The premise of > is that writes flow up, but not down, and "connections" to sockets are > read-write events, not read events, most typically. If you're using unionfs > to take a template system and "broadcast it" to many jails, you probably don't > want all the jails talking to the same syslogd, you want them each talking to > their own. When syslogd in a jail finds a disconnected socket, which is > effectively what a NULL v_socket pointer means, in /var/run/log, it should be > unlinking it and creating a new socket, not reusing the existing file on disk. This code's use in jails is primarily intended for mysql (and the like daemons), not syslogd (for which you said it right). Such daemons really require broadcasting, yep - so unionfs should support it... -- WBR, Vadim Goncharov. ICQ#166852181 mailto:vadim_nuclight@mail.ru [Moderator of RU.ANTI-ECOLOGY][FreeBSD][http://antigreen.org][LJ:/nuclight] _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"