https://www.stanq.com/OpenVMS%20and%20High%20Availability.pd...
They can get an updated version from this company:
https://www.vmssoftware.com/
Even better, the hardware it runs on might be cheap on eBay. :)
For the most part companies have decided that high uptime guarantees aren't worth the cost. Or they start rolling their own systems to deal with it.
https://www.stanq.com/OpenVMS%20and%20High%20Availability.pd...
They can get an updated version from this company:
https://www.vmssoftware.com/
Even better, the hardware it runs on might be cheap on eBay. :)