Return-Path: Delivered-To: apmail-subversion-users-archive@minotaur.apache.org Received: (qmail 61432 invoked from network); 28 Feb 2011 18:50:33 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 28 Feb 2011 18:50:33 -0000 Received: (qmail 64413 invoked by uid 500); 28 Feb 2011 18:50:32 -0000 Delivered-To: apmail-subversion-users-archive@subversion.apache.org Received: (qmail 64359 invoked by uid 500); 28 Feb 2011 18:50:29 -0000 Mailing-List: contact users-help@subversion.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list users@subversion.apache.org Received: (qmail 64352 invoked by uid 99); 28 Feb 2011 18:50:29 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 28 Feb 2011 18:50:29 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=5.0 tests=RCVD_IN_DNSWL_NONE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of dcchapman@acm.org designates 64.142.16.245 as permitted sender) Received: from [64.142.16.245] (HELO a.mail.sonic.net) (64.142.16.245) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 28 Feb 2011 18:50:22 +0000 Received: from [192.168.1.115] (70-36-212-24.dsl.static.sonic.net [70.36.212.24]) (authenticated bits=0) by a.mail.sonic.net (8.13.8.Beta0-Sonic/8.13.7) with ESMTP id p1SInxQJ017729 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=NO); Mon, 28 Feb 2011 10:50:00 -0800 Message-ID: <4D6BEE3F.7020208@acm.org> Date: Mon, 28 Feb 2011 10:49:35 -0800 From: David Chapman Organization: Chapman Consulting User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7 MIME-Version: 1.0 To: James Ralston CC: users@subversion.apache.org Subject: Re: can "svnadmin dump" tolerate read-only repository access? References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 2/28/2011 10:37 AM, James Ralston wrote: > > Question: if I "svnadmin dump" a repository, is it safe to allow > read-only access to the repository while the dump is in progress? Or > is it the case that permitting even read access could interfere with > the "svnadmin dump" operation? > > I ask because it will take a non-trivial amount of time to perform > svnadmin dump/load operations on all of Subversion repositories. If > we can at least permit read-only access while this upgrade is in > progress, that will have much less of an impact on our users then it > we have to block all access during the upgrade... > A "hot copy" by definition is one that will safely allow read-only access while the backup is in progress. -- David Chapman dcchapman@acm.org Chapman Consulting -- San Jose, CA