Return-Path: Delivered-To: apmail-cassandra-user-archive@www.apache.org Received: (qmail 74356 invoked from network); 9 Jul 2010 08:56:23 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 9 Jul 2010 08:56:23 -0000 Received: (qmail 19064 invoked by uid 500); 9 Jul 2010 08:56:16 -0000 Delivered-To: apmail-cassandra-user-archive@cassandra.apache.org Received: (qmail 16585 invoked by uid 500); 9 Jul 2010 08:56:08 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 16485 invoked by uid 99); 9 Jul 2010 08:56:06 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 09 Jul 2010 08:56:06 +0000 X-ASF-Spam-Status: No, hits=0.7 required=10.0 tests=RCVD_IN_DNSWL_NONE,SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (nike.apache.org: local policy) Received: from [89.104.197.135] (HELO ec1-out-r135.net.comendo.com) (89.104.197.135) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 09 Jul 2010 08:54:51 +0000 X-Comendo-ID: ec1-recv1-out:1278665610!82/CD-16772-A83E63C4!user Received: from [77.66.16.98] ([77.66.16.98:62601] helo=mail91.trifork.com) by ec1-recv1-out.net.comendo.com (envelope-from ) (ecelerity 2.2.2.45 r(34222M)) with ESMTP id 82/CD-16772-A83E63C4; Fri, 09 Jul 2010 10:53:30 +0200 Received: from MAIL01.interprise.dk (172.22.110.50) by MAIL91.interprise.dk (172.22.200.10) with Microsoft SMTP Server (TLS) id 8.2.247.2; Fri, 9 Jul 2010 10:53:29 +0200 Received: from [172.20.121.11] (194.239.247.175) by smtp.trifork.com (172.22.110.50) with Microsoft SMTP Server (TLS) id 8.2.213.0; Fri, 9 Jul 2010 10:53:28 +0200 From: Per Olesen Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Subject: UnavailableException on QUORUM write Date: Fri, 9 Jul 2010 10:53:28 +0200 Message-ID: To: MIME-Version: 1.0 (Apple Message framework v1081) X-Mailer: Apple Mail (2.1081) X-Virus-Checked: Checked by ClamAV on apache.org Hi, I am a bit confused about getting an UnavailableException when doing a = QUORUM write. I have a 3 node cluster, with RF=3D3. When all 3 nodes are up, the = QUORUM write succeeds. When 1 of the 3 nodes are down, the QUORUM write = fails with UnavailableException. Shouldn't it be enough with 2 nodes up = for RF=3D3? Won't N/2+1 be 2 in my case? /Per=