Return-Path: X-Original-To: apmail-hadoop-hdfs-dev-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-dev-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id CB8756CAD for ; Fri, 20 May 2011 16:37:31 +0000 (UTC) Received: (qmail 49330 invoked by uid 500); 20 May 2011 16:37:30 -0000 Delivered-To: apmail-hadoop-hdfs-dev-archive@hadoop.apache.org Received: (qmail 49195 invoked by uid 500); 20 May 2011 16:37:30 -0000 Mailing-List: contact hdfs-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-dev@hadoop.apache.org Delivered-To: mailing list hdfs-dev@hadoop.apache.org Received: (qmail 49008 invoked by uid 99); 20 May 2011 16:37:30 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 20 May 2011 16:37:30 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=5.0 tests=ALL_TRUSTED,T_RP_MATCHES_RCVD X-Spam-Check-By: apache.org Received: from [140.211.11.116] (HELO hel.zones.apache.org) (140.211.11.116) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 20 May 2011 16:37:27 +0000 Received: from hel.zones.apache.org (hel.zones.apache.org [140.211.11.116]) by hel.zones.apache.org (Postfix) with ESMTP id 60CE3D3BDB for ; Fri, 20 May 2011 16:36:47 +0000 (UTC) Date: Fri, 20 May 2011 16:36:47 +0000 (UTC) From: "Suresh Srinivas (JIRA)" To: hdfs-dev@hadoop.apache.org Message-ID: <991382133.30967.1305909407393.JavaMail.tomcat@hel.zones.apache.org> Subject: [jira] [Created] (HDFS-1973) HA: HDFS clients must handle namenode failover and switch over to the new active namenode. MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org HA: HDFS clients must handle namenode failover and switch over to the new active namenode. ------------------------------------------------------------------------------------------ Key: HDFS-1973 URL: https://issues.apache.org/jira/browse/HDFS-1973 Project: Hadoop HDFS Issue Type: Sub-task Reporter: Suresh Srinivas During failover, a client must detect the current active namenode failure and switch over to the new active namenode. The switch over might make use of IP failover or some thing more elaborate such as zookeeper to discover the new active. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira