The VPLEX Uptime Bulletin can be found on support.emc.com.

Past and future Uptime Bulletins can be found here:  https://support.emc.com/search/?text=%22Uptime%20Bulletin%22&product_id=29384&sortBy=DREDATE&sortOrder=descending

The VPLEX Uptime Bulletin is a newsletter that is published quarterly that outlines topics which can assist EMC VPLEX customers in achieving the highest level of operational reliability for virtualized environments.