1. © 2006 The Adaptation of Linux within Government John Long CTO Sabeo Technologies

2. © 2006 Implementing New Projects & Migrating existing Applications onto Linux Minimising risk when migrating existing applications onto Linux Implementing Business Critical Applications onto Linux Business Critical Support for Linux Agenda

3. © 2006 DoD – Defence forces - Oracle eBusiness Suite including Real Application Cluster (RAC) Vodafone -Oracle 10G stretched Cluster AIB (Capital Markets) -VCS (Veritas Cluster) 3 rd Party Financial Applications (Disaster Recovery) DoTE -Oracle DB 9i Real Application Cluster (RAC) UCD -Oracle & 3 rd party Applications Dept of Agriculture -Oracle Application Tier & 3 rd party Applications (High Availability and Disaster Recovery) Sample Business Critical Linux Projects Linux 24 x 7 on-site Business Critical Support

4. © 2006 Example of Transforming An Infrastructure to Linux while introducing a Disaster Recovery Capability.

5. © 2006 Application Server Y (Oracle App & Unix) Application Server 6 (Oracle App & Unix) Legacy O.S. Data Test 256 Tape Library New Presentation Layer Database Layer Storage Layer Application Layer Infrastructure Layer Unix Web Server 4 (existing) Linux Web Server 3 (existing) Linux Web Server 2 (existing) Linux Web Server 1 (existing) Application Server 1 (Oracle App & Unix) Application Server 2 (Oracle App & Unix) Application Server 3 (Oracle App & Unix) Application Server 4 (Oracle App & Unix) Application Server 5 (Oracle App & Unix) Application Server 6 (Oracle App & Unix) File Server Print Server H.A. Application 1 (Oracle DB & Unix) H.A. Application 1 (Oracle DB & Unix) H.A. Application 2 (Oracle DB & Unix) H.A. Application 2 (Oracle DB & Unix) Application Server Spare Application Server 3+Y (Oracle App & Unix) Application Server 2+X (Oracle App & Unix) New Linux Server Application Server 3+Y (Oracle App & Linux) O.S. Data

6. © 2006 Application Server 5 (Oracle App & Unix) H.A. Application 2 (Oracle DB & Unix) H.A. Application 2 (Oracle DB & Unix) Legacy Test New Presentation Layer Database Layer Storage Layer Application Layer Infrastructure Layer Unix Web Server 4 (existing) Linux Web Server 3 (existing) Linux Web Server 2 (existing) Linux Web Server 1 (existing) Application Server 4 (Oracle App & Unix) Application Server 6 (Oracle App & Unix) File Server Print Server Application Server Spare Application Server 3+Y (Oracle App & Unix) Application Server 2+X (Oracle App & Unix) Application Server 3+Y (Oracle App & Linux) O.S. Data Application Server Spare Proxy Server Linux (new) BackUp Server Linux (new) H.A. Application Failover Server H.A. Application 1 & 2 (Oracle DB & Unix) Spare Server For D.R. Spare Server For D.R. O.S. Data O.S. Data O.S. Data H.A. Application 1 (Oracle DB & Unix) H.A. Application 1 & 2 (Oracle DB & Unix) H.A. Application 1 (Oracle DB & Unix) 256 Tape Library Kickstart/ Clone Laptop Server Linux (new) Application Server 4 (Oracle App & Linux) Application Server 5 (Oracle App & Linux)

7. © 2006 Application Server 3 + Xtra (Oracle App & Unix) Application Server Spare Application Server 3 + Xtra (Oracle App & Unix) Application Server Spare File Server Presentation Layer Database Layer Storage Layer Application Layer Infrastructure Layer Unix Web Server 4 (existing) Linux Web Server 3 (existing) Linux Web Server 2 (existing) Linux Web Server 1 (existing) Application Server 4 (Oracle App & Unix) Application Server 4 (Oracle App & Linux) Application Server 5 (Oracle App & Linux) Application Server 6 (Oracle App & Unix) Application Server 6 (Oracle App & Unix) Print Server Application Server 2+X (Oracle App & Unix) Application Server 3+Y (Oracle App & Linux) Application Server 3 + Xtra (Oracle App & Unix) Application Server Spare Proxy Server Linux (new) BackUp Server Linux (new) Spare Server For D.R. Spare Server For D.R. H.A. Application Failover Server H.A. Application 1 & 2 (Oracle DB & Unix) H.A. Application 1 & 2 (Oracle DB & Unix) Primary SiteDR Site Legacy Test New O.S. Data O.S. Data O.S. Data O.S. Data 256 Tape Library Kickstart Laptop Server Linux (new)

8. © 2006 Application Server 3 + Xtra (Oracle App & Unix) Application Server Spare Application Server 3 + Xtra (Oracle App & Unix) Application Server Spare Active SubnetInactive Subnet Application Server 6 (Oracle App & Unix) Application Server 6 (Oracle App & Unix) File Server Presentation Layer Database Layer Storage Layer Application Layer Infrastructure Layer Unix Web Server 4 (existing) Linux Web Server 3 (existing) Linux Web Server 2 (existing) Linux Web Server 1 (existing) Application Server 4 (Oracle App & Unix) Application Server 4 (Oracle App & Unix) Application Server 5 (Oracle App & Unix) Print Server Application Server 2+X (Oracle App & Unix) Application Server 3 + Y (Oracle App & Linux) Proxy Server Linux (new) BackUp Server Linux (new) Spare Server For D.R. Spare Server For D.R. H.A. Application Failover Server H.A. Application 1 & 2 (Oracle DB & Unix) H.A. Application 1 & 2 (Oracle DB & Unix) Primary Site DR Site Legacy Test New O.S. Data O.S. Data O.S. Data O.S. Data 256 Tape Library Kickstart Laptop Server Linux (new) Application Server 3 + Xtra (Oracle App & Unix) Application Server Spare

9. © 2006 DR Application Server (Unix) Active SubnetInactive Subnet Application Server 6 (Oracle App & Unix) Application Server 6 (Oracle App & Unix) Presentation Layer Database Layer Storage Layer Application Layer Infrastructure Layer Unix Web Server 4 (existing) Linux Web Server 3 (existing) Linux Web Server 2 (existing) Linux Web Server 1 (existing) Application Server 4 (Oracle App & Unix) Application Server 4 (Oracle App & Unix) Application Server 5 (Oracle App & Unix) Application Server 2+X (Oracle App & Unix) Application Server 3 + Xtra (Oracle App & Linux) Spare Server For D.R. Spare Server For D.R. Primary SiteDR Site Legacy Test New O.S. Data O.S. Data O.S. Data O.S. Data 256 Tape Library Application Server 3 + Y (Oracle App & Linux) Remote Console Terminal Server Synchronous Replication New 64 Tape Library SAN Appliance SAN Appliance O.S. Data O.S. Data O.S. Data O.S. Data Remote Console Management MS Windows Rebuild as H.A. Application (Oracle DB & Unix) Rebuild as H.A. Application (Oracle DB & Unix) BackUp Server Linux File Server Print Server Proxy Server Linux (new) BackUp Server Linux (new) H.A. Application Failover Server H.A. Application 1 & 2 (Oracle DB & Unix) H.A. Application 1 & 2 (Oracle DB & Unix) Proxy Server Linux (new) BackUp Server Linux (end) Kickstart Laptop Server Linux (new) Kickstart Laptop Server Linux (new) DR Application Server (Linux) DR Application Server (Linux) DR Web Server (Linux) DR Web Server (Linux) Application Server 3 + Xtra (Oracle App & Unix) DR Application Server (Unix) Application Server Spare

10. © 2006 Linux Web Server 3 (existing) Active SubnetInactive Subnet Application Server 6 (Oracle App & Unix) Application Server 6 (Oracle App & Unix) Presentation Layer Database Layer Storage Layer Application Layer Infrastructure Layer Print Server Linux Web Server 1 (existing) Application Server 4 (Oracle App & Unix) Application Server 4 (Oracle App & Unix) Application Server 5 (Oracle App & Unix) Application Server 2+X (Oracle App & Unix) Application Server 3 + Xtra (Oracle App & Linux) Spare Server For D.R. Spare Server For D.R. Primary SiteDR Site Legacy Test New O.S. Data O.S. Data O.S. Data O.S. Data 256 Tape Library Application Server 3+Y (Oracle App & Linux) Remote Console Terminal Server Synchronous Replication New 64 Tape Library SAN Appliance SAN Appliance O.S. Data O.S. Data O.S. Data O.S. Data Remote Console Management MS Windows Rebuild as H.A. Application (Oracle DB & Unix) Rebuild as H.A. Application (Oracle DB & Unix) BackUp Server Linux File Server Print Server Proxy Server Linux (new) BackUp Server Linux (new) H.A. Application Failover Server H.A. Application 1 & 2 (Oracle DB & Unix) H.A. Application 1 & 2 (Oracle DB & Unix) Proxy Server Linux (new) BackUp Server Linux (end) Kickstart Laptop Server Linux (new) Kickstart Laptop Server Linux (new) Application Server 3 + Xtra (Oracle App & Unix) DR Application Server (Unix) Unix Web Server 4 (existing) Linux Web Server 2 (existing) DR Application Server (Linux) DR Application Server (Linux) Application Server 3 + Xtra (Oracle App & Unix) DR Application Server (Unix) DR Web Server (Linux) DR Web Server (Linux)

11. © 2006 Questions?