Oracle VM 3.4.6 :Part 2 – OVM Manager
Oracle VM Manager
Oracle VM is a free to download virtualisation technology and for many deployments could provide a great alternative to VMware. In this series of Blog Posts I am going to give OracleVM a spin, and document my experiences.
Oracle VM Manager needs to be installed into an existing OS unlike Oracle VM Server (see Part 1 of this series) which is a Bare-Metal install. For this guide I will be using an Oracle Linux 7.6 and a loopback mount to the OracleVM Manager 3.4 ISO, rather than a physical DVD. Before you start downloaded the ISO from edelivery or OTN e.g. Oracle Technology Network / Server and Storage Systems / Oracle VM / Downloads.
Oracle Set-up
Before we start the Oracle VM Manager installer we need to consider some perquisites. OVM requires an oracle user that is a member of a group named dba, iptables-services and ntp installed and a software install directory of /u01, if these have not previously been set-up they can be done with following:
# groupadd dba # useradd -g dba oracle # yum install iptables-services # yum install ntp # mkdir /u01
Mount OracleVM Manager ISO
We now need to create a mount point and mount the OVM ISO via loopback.
# mkdir /media/cdrom # mount -o loop,ro ovmm-3.4.6-installer-OracleLinux-b2105.iso /media/cdrom
Now change directory to where your mounted OracleVM image and run the createOracle.sh script to verify and set Oracle VM Manager configuration parameters, this is based upon the oracle-validated package
[root@z-ovmm cdrom]# ./createOracle.sh
Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.
Removed symlink /etc/systemd/system/basic.target.wants/firewalld.service.
Created symlink from /etc/systemd/system/basic.target.wants/iptables.service to /usr/lib/systemd/system/iptables.service.
Adding group 'oinstall' with gid '54321' ...
Adding group 'dba'
Adding user 'oracle' with user id '54321', initial login group 'dba', supplementary group 'oinstall' and home directory '/home/oracle' ...
Changing ownership of '/home/oracle' to oracle:dba
Creating user 'oracle' succeeded ...
For security reasons, no default password was set for user 'oracle'. If you wish to login as the 'oracle' user, you will need to set a password for this account.
Verifying user 'oracle' OS prerequisites for Oracle VM Manager ...
oracle soft nofile 8192
oracle hard nofile 65536
oracle soft nproc 2048
oracle hard nproc 16384
oracle soft stack 10240
oracle hard stack 32768
oracle soft core unlimited
oracle hard core unlimited
Setting user 'oracle' OS limits for Oracle VM Manager ...
Altered file /etc/security/limits.conf
Original file backed up at /etc/security/limits.conf.orabackup
Verifying & setting of user limits succeeded ...
Changing '/u01' permission to 755 ...
Modifying iptables for OVM
Adding rules to enable access to:
7002 : Oracle VM Manager https
123 : NTP
10000 : Oracle VM Manager CLI Tool
Redirecting to /bin/systemctl status iptables.service
Redirecting to /bin/systemctl status iptables.service
Redirecting to /bin/systemctl restart iptables.service
iptables: Saving firewall rules to /etc/sysconfig/iptables:[ OK ]
Redirecting to /bin/systemctl restart iptables.service
Rules added.
Oracle VM Manager Demo Install
As root run the Oracle VM Manager installer, this is character based and does not require a X session unlike other Oracle installers.
[root@z-ovmm cdrom]# ./runInstaller.sh
Oracle VM Manager Release 3.4.6 Installer
Oracle VM Manager Installer log file:
/var/log/ovmm/ovm-manager-3-install-2018-12-10-141029.log
Please select an installation type:
1: Install
2: Upgrade
3: Uninstall
4: Help
Select Number (1-4): 1
Verifying installation prerequisites ...
Starting production with local database installation ...
One password is used for all users created and used during the installation.
Enter a password for all logins used during the installation:
Enter a password for all logins used during the installation (confirm):
Please enter your fully qualified domain name, e.g. ovs123.us.oracle.com, (or IP address) of your management server for SSL certification generation, more than one IP address are detected: 10.225.112.213 192.168.122.1 [z-ovmm.uklab.purestorage.com]: z-ovmm.uklab.purestorage.com
Verifying configuration ...
Start installing Oracle VM Manager:
1: Continue
2: Abort
Select Number (1-2): 1
Step 1 of 7 : Database Software ...
Installing Database Software...
Retrieving MySQL Database 5.6 ...
Unzipping MySQL RPM File ...
Installing MySQL 5.6 RPM package ...
Configuring MySQL Database 5.6 ...
Installing MySQL backup RPM package ...
Step 2 of 7 : Java ...
Installing Java ...
Step 3 of 7 : WebLogic and ADF ...
Retrieving Oracle WebLogic Server 12c and ADF ...
Installing Oracle WebLogic Server 12c and ADF ...
Applying patches to Weblogic ...
Applying patch to ADF ...
Step 4 of 7 : Oracle VM ...
Installing Oracle VM Manager Core ...
Retrieving Oracle VM Manager Application ...
Extracting Oracle VM Manager Application ...
Retrieving Oracle VM Manager Upgrade tool ...
Extracting Oracle VM Manager Upgrade tool ...
Installing Oracle VM Manager Upgrade tool ...
Retrieving Oracle VM Manager CLI tool ...
Extracting Oracle VM Manager CLI tool...
Installing Oracle VM Manager CLI tool ...
Installing Oracle VM Manager WLST Scripts ...
Step 5 of 7 : Domain creation ...
Creating domain ...
Step 6 of 7 : Oracle VM Tools ...
Retrieving Oracle VM Manager Shell & API ...
Extracting Oracle VM Manager Shell & API ...
Installing Oracle VM Manager Shell & API ...
Retrieving Oracle VM Manager Wsh tool ...
Extracting Oracle VM Manager Wsh tool ...
Installing Oracle VM Manager Wsh tool ...
Retrieving Oracle VM Manager Tools ...
Extracting Oracle VM Manager Tools ...
Installing Oracle VM Manager Tools ...
Retrieving ovmcore-console ...
Installing ovmcore-console RPM package ...
Copying Oracle VM Manager shell to '/usr/bin/ovm_shell.sh' ...
Installing ovm_admin.sh in '/u01/app/oracle/ovm-manager-3/bin' ...
Installing ovm_upgrade.sh in '/u01/app/oracle/ovm-manager-3/bin' ...
Step 7 of 7 : Start OVM Manager ...
Enabling Oracle VM Manager service ...
Shutting down Oracle VM Manager instance ...
Starting Oracle VM Manager instance ...
Please wait while WebLogic configures the applications...
Trying to connect to core via ovmwsh (attempt 1 of 20) ...
Trying to connect to core via ovm_shell (attempt 1 of 5)...
Oracle VM Manager installed.
Installation Summary
--------------------
Database configuration:
Database type : MySQL
Database host name : localhost
Database name : ovs
Database listener port : 49500
Database user : ovs
Weblogic Server configuration:
Administration username : weblogic
Oracle VM Manager configuration:
Username : admin
Core management port : 54321
UUID : 0004fb0000010000e02391308bcca60b
Passwords:
There are no default passwords for any users. The passwords to use for Oracle VM Manager, Database, and Oracle WebLogic Server have been set by you during this installation. In the case of a default install, all passwords are the same.
Oracle VM Manager UI:
https://z-ovmm.uklab.purestorage.com:7002/ovm/console
Log in with the user 'admin', and the password you set during the installation.
For more information about Oracle Virtualization, please visit:
http://www.oracle.com/virtualization/
3.2.10/3.2.11 Oracle VM x86 Servers and SPARC agent 3.3.1 managed Servers are no longer supported in Oracle VM Manager 3.4. Please upgrade your Server to a more current version for full support
For instructions, see the Oracle VM 3.4 Installation and Upgrade guide.
Oracle VM Manager installation complete.
Please remove configuration file /tmp/ovm_configY49cOf.
You can now login using the URL shown above e.g. https://z-ovmm.uklab.purestorage.com:7002/ovm/console
If you have followed the above steps you should now have a working OracleVM Manager installation. In the series of Blog posts on OVM, the next couple of posts will document the required steps to configure iSCSI and NFS storage, before we look at creating Virtual Machines.
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