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NovaInstall/RHEL6Notes

Revision as of 23:33, 9 February 2011 by AndreyBrindeyev (talk)

Here are RPM repos for Bexar release for OpenStack Nova: http://yum.griddynamics.net

To install Nova on RHEL v.6 you need only two repositories cited on above website and RHEL DVD image connected as repo.

Here are instructions:

  1. Install RHEL 6.0. I usually prefer minimal set of packages.
  2. Connect RHEL 6.0 x86_64 DVD as repository in YUM:
$ sudo mount /dev/cdrom /mnt/cdrom
$ cat /etc/yum.repos.d/rhel.repo 
[rhel]
name=RHEL 6.0
baseurl=file:///mnt/cdrom/Server
enabled=1
gpgcheck=0
1.#3 Download and install repo config and key
$ wget http://yum.griddynamics.net/openstack-repo-2011.1-2.noarch.rpm
$ sudo rpm -i openstack-repo-2011.1-2.noarch.rpm
1.#4 Repeat that setup to all hosts of your cloud
  1. Installation on Cloud Controller node
$ sudo yum install openstack-nova-{api,compute,glance,network,objectstore,scheduler,volume} openstack-nova-cc-config
1.#6 Installation on compute nodes
$ sudo yum install openstack-nova-compute openstack-nova-compute-config
1.#7 Create MySQL db on Cloud Controller node

#!highlight bash

####################################################################
# BIG FAT WARNING:
# ASSUMPTION: a password for root user in MySQL server is `nova' !!!
####################################################################

DB_NAME=nova
DB_USER=nova
DB_PASS=nova
PWD=nova

CC_HOST="A.B.C.D" # IPv4 address
HOSTS='node1 node2 node3' # compute nodes list

mysqladmin -uroot -p$PWD -f drop nova
mysqladmin -uroot -p$PWD create nova
nova-manage db sync

for h in $HOSTS localhost; do
        echo "GRANT ALL PRIVILEGES ON $DB_NAME.* TO '$DB_USER'@'$h' IDENTIFIED BY '$DB_PASS';" | mysql -uroot -p$DB_PASS mysql
done
echo "GRANT ALL PRIVILEGES ON $DB_NAME.* TO $DB_USER IDENTIFIED BY '$DB_PASS';" | mysql -uroot -p$DB_PASS mysql
echo "GRANT ALL PRIVILEGES ON $DB_NAME.* TO root IDENTIFIED BY '$DB_PASS';" | mysql -uroot -p$DB_PASS mysql
1.#8 Fix your configuration in /etc/nova/nova.conf on all nodes
  1. Start your Nova services and enjoy
$ for n in api compute glance network objectstore scheduler volume; do sudo service openstack-nova-$n start; done
$ for n in node1 node2 node3; do ssh $n sudo service openstack-nova-compute start; done


Limitations:

  • qcow2 images do not supported due lack of NBD support in RHEL
  • iSCSI LUN do not supported due tgtadm vs ietadm differences

Please route your feedback about that build to abrindeyev@griddynamics.com