There are 3 Types of Azure Backend Clusters
1)Compute
Cluster
2)SQL
Cluster
3)Storage
Cluster
Azure
cluster is Made of
§A
Pair of AGG Switches
§2 Pairs
of
Load Balancers
§20
Racks
§44
Blades per rack
§Total
880 Blades in single cluster
§12-15
Virtual Machines can be created in each Blade
Azure Rack Architecture :
TOR - Top of the Rack. L3 Switch - which connects to Network interface cards of all blades in rack
Digi - Serial connector to all blades used to push basic Operating system/Maintainance Operating System to blades
PS1 & PS2 - Power Strips - Can be controlled remotely . Any Blade in the rack can be turned on and turned off using it.