Yes, it's required between majors. Which your upgrade would be. On 2/27/13 10:54 AM, "Hiller, Dean" <dean.hil...@nrel.gov> wrote:
>My script to upgrade our first node in QA is thus (basically, snapshot, >drain, stop, then switch over then start)Š > >#!/bin/bash > >export NODE=$1 >export VERSION=1.1.4 >export USER=cassandra > >#NOTE: This script requires you have cassandra 1.2.2 in >/opt/cassandra-1.2.2 but ># feel free to modify if you like > >#Move the newest cassandra.yaml to the node >scp cassandra.yaml $USER@$NODE:/opt/cassandra/conf > >#As cassandra user, snapshot then drain the node ># and finally shut down cassandra on that node >ssh $USER@$NODE <<\EOF > nodetool snapshot $VERSION > nodetool drain > pkill -f 'java.*cassandra' >EOF > >#Now, our .bashrc for cassandra has /opt/cassandra/bin in it's path ># so we unlink and the link to the new cassandra as root since only root >has ># access to the opt directory. >ssh root@$NODE <<\EOF > rm /opt/cassandra > ln -s /opt/cassandra-1.2.2 /opt/cassandra >EOF > >#We should start cassandra ourselves probably....so we can watch the >cluster as it joins the node >#especially for the very first node we do... >#Now as cassandra user, start up the cassandra node and then do manual >health checks >#ssh $USER@$NODE <<\EOF ># cassandra >#EOF Copy, by Barracuda, helps you store, protect, and share all your amazing things. Start today: www.copy.com.
