TLDR: Pros and cons of in house built solution or maintenance based enterprise solution? More details, see below.
Background: So when I started my new position several months ago, everything was burning down. I entered knowing this and even half of the orientation was not doable because the systems were down. I have dug burn lines and I have assessed, documented, and began hosing down the fires.
The Data center is a high availability 24x7 accessed environment and is about 95% virtualized. This is tested and working. Our last fall back is currently a 2 year out of support backup system. Regulations dictate that we have extreme backups. The current retention policy is just terrible for this solution and the whole thing needs to be burned down and rebuilt. So my IT manager and I have been speaking to several vendors and getting solutions...