Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id B00E3200D12 for ; Sat, 23 Sep 2017 01:54:07 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id AEB161609E5; Fri, 22 Sep 2017 23:54:07 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id F3A591609D0 for ; Sat, 23 Sep 2017 01:54:06 +0200 (CEST) Received: (qmail 96692 invoked by uid 500); 22 Sep 2017 23:54:06 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 96681 invoked by uid 99); 22 Sep 2017 23:54:06 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 22 Sep 2017 23:54:06 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id 8D3881A0778 for ; Fri, 22 Sep 2017 23:54:05 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -100.002 X-Spam-Level: X-Spam-Status: No, score=-100.002 tagged_above=-999 required=6.31 tests=[RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id 9joeRd87oDyS for ; Fri, 22 Sep 2017 23:54:03 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTP id 5CEE45FDB8 for ; Fri, 22 Sep 2017 23:54:03 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id C2764E0F02 for ; Fri, 22 Sep 2017 23:54:01 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 98A472423E for ; Fri, 22 Sep 2017 23:54:00 +0000 (UTC) Date: Fri, 22 Sep 2017 23:54:00 +0000 (UTC) From: "Arpit Agarwal (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-12420) Add an option to disallow 'namenode format -force' MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Fri, 22 Sep 2017 23:54:07 -0000 [ https://issues.apache.org/jira/browse/HDFS-12420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16177347#comment-16177347 ] Arpit Agarwal commented on HDFS-12420: -------------------------------------- +1 pending Jenkins. The default behavior remains the same as today and I have removed the _Incompatible_ flag. Will hold off committing until later next week. bq. This is like linux having a sysctl controlling whether you can use rm -r. Not too different from the {{--preserve-root}} option to [rm|https://linux.die.net/man/1/rm]. > Add an option to disallow 'namenode format -force' > -------------------------------------------------- > > Key: HDFS-12420 > URL: https://issues.apache.org/jira/browse/HDFS-12420 > Project: Hadoop HDFS > Issue Type: Improvement > Reporter: Ajay Kumar > Assignee: Ajay Kumar > Attachments: HDFS-12420.01.patch, HDFS-12420.02.patch, HDFS-12420.03.patch, HDFS-12420.04.patch, HDFS-12420.05.patch, HDFS-12420.06.patch, HDFS-12420.07.patch, HDFS-12420.08.patch, HDFS-12420.09.patch > > > Support for disabling NameNode format to avoid accidental formatting of Namenode in production cluster. If someone really wants to delete the complete fsImage, they can first delete the metadata dir and then run {code} hdfs namenode -format{code} manually. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org