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Implementing a Dynamic Datacenter
Transcript of Implementing a Dynamic Datacenter
Candidates High Availability Less Downtime Quick Provision Simplified Management Design - Specification 2 Seperate Sites 6 Physical Servers 2 storage arrays 4 network switches Scalable Local Infrastructure
Architecture Budget & Negotiation Microsoft Windows Server 2008
Hyper-V R2 Datacenter Edition Live Migration Failover Clustering Dynamic Memory RemoteFX System Center
Virtual Machine Manager Rollout Validate Design Build Document Test Hardware Vendor & Microsoft Best Practices Disaster Recovery Standard X64 Server Hardware Microsoft Virtualisation Technology Operate Fits with strategy Meets original requirements Truly agile and resilient Infrastructure Self Service Portal Underutilsed!!! Wasted Capacity!!! Wasted Space!!! Over Spec'd!!! Ripe for virtualisation!!! flexibility - speed of delivery Oh, BTW... It also saves us a load of
£££ Key Findings
95% of Servers are using less than 20% of their available CPU
Servers are using 8TB of disk space with 26TB going unused
72% of Servers never use more than 2GB of RAM with a third of total RAM unused
90% of Servers only using 1% of their available network bandwidth What is Server Virtualisation? Runs a single operating system
Runs a single application or service
(web server, database server, SAP server) Same Physical Server... Known as the "Virtual Host"
Runs Specialised Virtualisation Software
Enables multiple operating systems to run at the same time
Known as "Virtual Machines" or "Virtual Guests"
All completely independant and seperate from each other
All sharing the same physical hardware
(CPU, memory, storage & network resources) Where were we at? Old virtual server infrastructure hit capacity Not highly available or scalable Only designed to run support services No advanced management functionality Prior to L3 Integration our options were limited It is actually just a set of files
Files for the VM settings that define its configurations (CPU, disk, network connections, memory)
You cannot pick it up like a physical server
Its virtual... (delete the VM files and the VM is deleted) Traditional Physical Server Server Virtualisation What is a virtual machine? Physical vs Virtual Physical Servers
Reliant on Moving Parts
Not very flexible (heavy with lots of cables)
Time consuming to restore in event of disaster
Expensive Virtual Servers
Can Share Hardware
No Moving Parts
Very flexible (simply copy the VM files)
Quick restore in disaster (restore files)
Cost Effective Remember CDs and Vinyl?
Compare taking your vinyl collection on holiday compared to your MP3 collection.
There are similarities with managing physical servers compared to virtual servers!!!