The old system was a DEC VAX running VMS 6.2, and I was tasked with modernising it due to the hardware no longer being supported.
Tag: DCL
OPCON Production Control System
I designed a resilient three-node cluster spread across two data centres, each with separate power and communication links to the production facility. This setup ensured that the plant could be operated from either data center in the event of a hardware, power, or network outage.
OpenVMS Programming
These projects focused on crucial system maintenance tasks such as backup and restore operations, startup and shutdown procedures, printer and batch queue management, and user administration.
Jaguar VMS Support
- Networking configuration
- Disk Shadowsets
- Application program development
- Operating installs and patches
- File system journals
- Backups (System and Application)
- Hardware configuration
- Disaster recovery planning
The hardware setup included a cluster of four Alpha 1000s running OpenVMS 7.1, with three shadowsets providing shared reliable storage for both the application and operating system.