![](https://blogs.sas.com/content/hiddeninsights/files/2021/10/alex-blajan-98Rcate6GCU-unsplash.jpg)
SAS Viya 4 on OpenShift - old dogs and new tricks
If my experience is anything to go by, there’s a sizeable number of customers that still have SAS workloads running on IBM mainframes. Now I have tremendous respect for S/390 (I can still navigate TSO/ISPF et al. and started my IT career programming in PL/AS on MVS and VM), but