I believe this is now in scl3. Need to discuss at next triage to be sure.
CC folks who may know
This is still used by ganglia-phx1.mozilla.org, and from asking around it seems that a few groups do still rely on ganglia data (namely: Metrics - BI/DW probably -, Socorro, RelEng, and possibly AMO). If you go to ganglia.mozilla.org, there's a link to PHX1. That's what's using the PHX1 ZLB VIP.