MVS/ESA SP 4.3 runs on the
following processors:
- All ES/9000 models that support ESA/390
- All ES/3090-9000T models that support ESA/370 or ESA/390
- All ES/3090 E,
S, J, and JH models at the SEC level for ESA/370
All RVA storage subsystems support SnapShot copy. SnapShot copy
operates with both 3380 and 3390 devices, but does not operate with
3390 devices in 3380 track-compatible mode.