Return-Path: X-Original-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id AEAD41089B for ; Thu, 21 Nov 2013 00:38:35 +0000 (UTC) Received: (qmail 61605 invoked by uid 500); 21 Nov 2013 00:38:35 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 61569 invoked by uid 500); 21 Nov 2013 00:38:35 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-issues@hadoop.apache.org Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 61558 invoked by uid 99); 21 Nov 2013 00:38:35 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 21 Nov 2013 00:38:35 +0000 Date: Thu, 21 Nov 2013 00:38:35 +0000 (UTC) From: "Tsz Wo (Nicholas), SZE (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-5526) Datanode cannot roll back to previous layout version MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HDFS-5526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13828341#comment-13828341 ] Tsz Wo (Nicholas), SZE commented on HDFS-5526: ---------------------------------------------- +1 the patch works as expected. Thanks a lot, Kihwal! > Datanode cannot roll back to previous layout version > ---------------------------------------------------- > > Key: HDFS-5526 > URL: https://issues.apache.org/jira/browse/HDFS-5526 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode > Reporter: Tsz Wo (Nicholas), SZE > Assignee: Kihwal Lee > Priority: Blocker > Attachments: HDFS-5526.patch, HDFS-5526.patch > > > Current trunk layout version is -48. > Hadoop v2.2.0 layout version is -47. > If a cluster is upgraded from v2.2.0 (-47) to trunk (-48), the datanodes cannot start with -rollback. It will fail with IncorrectVersionException. -- This message was sent by Atlassian JIRA (v6.1#6144)