Return-Path: Delivered-To: apmail-incubator-cassandra-user-archive@minotaur.apache.org Received: (qmail 19813 invoked from network); 18 Nov 2009 19:51:08 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 18 Nov 2009 19:51:08 -0000 Received: (qmail 7972 invoked by uid 500); 18 Nov 2009 19:51:08 -0000 Delivered-To: apmail-incubator-cassandra-user-archive@incubator.apache.org Received: (qmail 7956 invoked by uid 500); 18 Nov 2009 19:51:08 -0000 Mailing-List: contact cassandra-user-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: cassandra-user@incubator.apache.org Delivered-To: mailing list cassandra-user@incubator.apache.org Received: (qmail 7946 invoked by uid 99); 18 Nov 2009 19:51:08 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 18 Nov 2009 19:51:08 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of jbellis@gmail.com designates 209.85.218.210 as permitted sender) Received: from [209.85.218.210] (HELO mail-bw0-f210.google.com) (209.85.218.210) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 18 Nov 2009 19:51:00 +0000 Received: by bwz2 with SMTP id 2so1753747bwz.20 for ; Wed, 18 Nov 2009 11:50:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :from:date:message-id:subject:to:content-type :content-transfer-encoding; bh=1u4mAXLWOhx0+N2yHgwt+tfc3R7eAatjEYthmzY0vTw=; b=WkVfQYkzlVT94LPdUPMEYBGmBGIIJe6M9g2SglFnSEyBftlanInRUrf0hO+YE6jEvI KemJMjVw4dvGVWS1dYH0s9XKyOpHcfc2PRPRLEA0cv8rYnBMnn2uzPdPGdnjtaEEHXg8 SskZGebP1zQb5auPxynqhczwmOXvdIEPefCII= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type:content-transfer-encoding; b=iWJakjfP70Lvy0puzbirNIiolBSEXXAgVIN08mDu9bJWMtAfhXffOLfujAKJ6p2KBV sIFEFoWiL/3l5if2nbmQbYcNt7YsGOfLiD1t5KMMSOfkXYmCHEGZdSYCrtQY3L9cu+Pg idhyfKSa9bPIZSlRKxEqikJClS+nOz7wPNEsU= MIME-Version: 1.0 Received: by 10.216.86.135 with SMTP id w7mr960939wee.176.1258573840091; Wed, 18 Nov 2009 11:50:40 -0800 (PST) In-Reply-To: References: From: Jonathan Ellis Date: Wed, 18 Nov 2009 13:50:20 -0600 Message-ID: Subject: Re: Cassandra backup and restore procedures To: cassandra-user@incubator.apache.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Virus-Checked: Checked by ClamAV on apache.org No, bootstrap is currently only for adding new nodes, not replacing dead on= es. On Wed, Nov 18, 2009 at 1:47 PM, Simon Smith wrote: > I'm sorry if this was covered before, but if you lose a node and > cannot bring it (or a replacement) back with the same IP address or > DNS name, is your only option to restart the entire cluster? =A0E.g. if > I have nodes 1, 2, and 3 with replication factor 3, and then I lose > node 3, is it possible to bring up a new node 3 with a new IP (and a > Seed of either node 1 or node 2) and bootstrap it? > > Thanks, > > Simon > > On Wed, Nov 18, 2009 at 2:03 PM, Jonathan Ellis wrote= : >> Tokens can change, so IP is used for node identification, e.g. for >> hinted handoff. >> >> On Wed, Nov 18, 2009 at 1:00 PM, Ramzi Rabah wrote: >>> Hey Jonathan, why should a replacement node keep the same IP >>> address/DNS name as the original node? Wouldn't having the same token >>> as the node that went down be sufficient (provided that you did the >>> steps above of copying the data from the 2 neighboring nodes)? >>> >