From owner-freebsd-fs@FreeBSD.ORG Fri Dec 20 09:30:46 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 2CE97602 for ; Fri, 20 Dec 2013 09:30:46 +0000 (UTC) Received: from umail.aei.mpg.de (umail.aei.mpg.de [194.94.224.6]) by mx1.freebsd.org (Postfix) with ESMTP id CAC3810DA for ; Fri, 20 Dec 2013 09:30:45 +0000 (UTC) Received: from mailgate.aei.mpg.de (mailgate.aei.mpg.de [194.94.224.5]) by umail.aei.mpg.de (Postfix) with ESMTP id 11788200E59; Fri, 20 Dec 2013 10:30:45 +0100 (CET) Received: from mailgate.aei.mpg.de (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id DB972406AF1; Fri, 20 Dec 2013 10:30:47 +0100 (CET) Received: from intranet.aei.uni-hannover.de (ahin1.aei.uni-hannover.de [130.75.117.40]) by mailgate.aei.mpg.de (Postfix) with ESMTP id 6A189405889; Fri, 20 Dec 2013 10:30:46 +0100 (CET) Received: from cascade.aei.uni-hannover.de ([10.117.15.111]) by intranet.aei.uni-hannover.de (Lotus Domino Release 8.5.3) with ESMTP id 2013122010304141-48643 ; Fri, 20 Dec 2013 10:30:41 +0100 Date: Fri, 20 Dec 2013 10:30:41 +0100 From: Gerrit =?ISO-8859-1?Q?K=FChn?= To: krichy@tvnetwork.hu Subject: Re: ZFS snapshot renames failing after upgrade to 9.2 Message-Id: <20131220103041.0ab3d02a.gerrit.kuehn@aei.mpg.de> In-Reply-To: References: <0C9FD4E1-0549-4849-BFC5-D8C5D4A34D64@msqr.us> <54D3B3C002184A52BEC9B1543854B87F@multiplay.co.uk> <333D57C6A4544067880D9CFC04F02312@multiplay.co.uk> <26053_1387447492_52B2C4C4_26053_331_1_20131219105503.3a8d1df3.gerrit.kuehn@aei.mpg.de> <20131219165549.9f2ca709.gerrit.kuehn@aei.mpg.de> <20131219174054.91ac617a.gerrit.kuehn@aei.mpg.de> <20131220100522.382a39ac.gerrit.kuehn@aei.mpg.de> Organization: Max Planck Gesellschaft X-Mailer: Sylpheed 3.1.3 (GTK+ 2.24.19; amd64-portbld-freebsd8.2) Mime-Version: 1.0 X-MIMETrack: Itemize by SMTP Server on intranet/aei-hannover(Release 8.5.3|September 15, 2011) at 12/20/2013 10:30:41, Serialize by Router on intranet/aei-hannover(Release 8.5.3|September 15, 2011) at 12/20/2013 10:30:43, Serialize complete at 12/20/2013 10:30:43 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-PMX-Version: 6.0.2.2308539, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2013.12.20.91514 X-PerlMx-Spam: Gauge=IIIIIIII, Probability=8%, Report=' HTML_00_01 0.05, HTML_00_10 0.05, MIME_LOWER_CASE 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_1100_1199 0, BODY_SIZE_2000_LESS 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, __ANY_URI 0, __BOUNCE_CHALLENGE_SUBJ 0, __BOUNCE_NDR_SUBJ_EXEMPT 0, __CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __SANE_MSGID 0, __SUBJ_ALPHA_NEGATE 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_PATH 0, __URI_NO_WWW 0, __URI_NS ' Cc: freebsd-fs@freebsd.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Dec 2013 09:30:46 -0000 On Fri, 20 Dec 2013 10:19:15 +0100 (CET) krichy@tvnetwork.hu wrote about Re: ZFS snapshot renames failing after upgrade to 9.2: Dear Richard, KH> It is not a solution, but I use different snapshot handling KH> mechanisms. I wrote a simple script which handles that, and the KH> snapshots are named by its creation timestamp. I think it is more KH> usable to see that when that snapshot was exactly taken, and the KH> script thus only does snapshot creation, and deletion, no renames. I see. I am using sysutils/freebsd-snapshot which does renaming for rotation. Well, if there is not fix for this in sight, I will probably have to look into a different snapshotting strategy and adopt backup scripts and stuff accordingly. KH> That scripts only limitation is that it is planned to run hourly, KH> creating hourly snapshots, and when run again, it queries the existing KH> one's list, and decides which to keep or remove. Thus you have to run KH> it hourly in cron like: KH> # crontab -l KH> 0 * * * * /usr/local/sbin/zfs-snapshot I think freebsd-snapshot does the same, so this would not change anything for me. Thanks for the hint. cu Gerrit