Return-Path: X-Original-To: apmail-cloudstack-issues-archive@www.apache.org Delivered-To: apmail-cloudstack-issues-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 78EFF17C6C for ; Fri, 17 Jul 2015 10:34:05 +0000 (UTC) Received: (qmail 71965 invoked by uid 500); 17 Jul 2015 10:34:05 -0000 Delivered-To: apmail-cloudstack-issues-archive@cloudstack.apache.org Received: (qmail 71934 invoked by uid 500); 17 Jul 2015 10:34:05 -0000 Mailing-List: contact issues-help@cloudstack.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cloudstack.apache.org Delivered-To: mailing list issues@cloudstack.apache.org Received: (qmail 71924 invoked by uid 500); 17 Jul 2015 10:34:05 -0000 Delivered-To: apmail-incubator-cloudstack-issues@incubator.apache.org Received: (qmail 71921 invoked by uid 99); 17 Jul 2015 10:34:05 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 17 Jul 2015 10:34:05 +0000 Date: Fri, 17 Jul 2015 10:34:05 +0000 (UTC) From: "ASF subversion and git services (JIRA)" To: cloudstack-issues@incubator.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (CLOUDSTACK-8628) Ceph RBD only cluster with KVM does not fence properly 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/CLOUDSTACK-8628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14631160#comment-14631160 ] ASF subversion and git services commented on CLOUDSTACK-8628: ------------------------------------------------------------- Commit fbe3b04a43ff7380a6874a2c331f372aa59ccf3d in cloudstack's branch refs/heads/master from [~widodh] [ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=fbe3b04 ] CLOUDSTACK-8628: Send an alert when fencing a KVM host failed Also change the logging a bit so that you get useful logs when not running on DEBUG level Signed-off-by: Wido den Hollander This closes #580 > Ceph RBD only cluster with KVM does not fence properly > ------------------------------------------------------ > > Key: CLOUDSTACK-8628 > URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8628 > Project: CloudStack > Issue Type: Bug > Security Level: Public(Anyone can view this level - this is the default.) > Reporter: Wido den Hollander > Assignee: Wido den Hollander > Fix For: Future, 4.6.0 > > > When a NFS storage pool is present on a KVM cluster that pool is used for writing heartbeats to. > In case of a Ceph (RBD) only cluster such pools are not available and thus the KVM hosts do not write any heartbeats. > Should the KVM Agent crash for any reason they will be fenced of directly and this will cause a split-brain situation. > Fencing should not happen when no NFS storage pool is present as it is dangerous for data consistency. A Instance could be running on two hosts at the same time. -- This message was sent by Atlassian JIRA (v6.3.4#6332)