We gather specific data including:
· exactly what machines are involved in producing the site
· IP addresses and traceroutes between every machine
· operating system versions & patches
· 3rd party software versions (web servers, application servers, transaction servers, content management servers, etc.)
· amount of memory and disk in every machine
· disk mirroring/raid strategy
· load balancing/failover strategy
· primary and secondary DNS strategies
· switches, routers, hubs, firewalls
· database backup strategy
· current monitoring approach
· reliability of current text paging/escalation method
· UPS/backup power assessment
· cabling and wiring assessment
· environmental assessment (cooling system, ventilation, etc.)
anything else which we determine over time is critical to a 24x7 operation