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Understanding Exchange 2010

Key Architecture Changes – Storage Impacted

  • Exchange 2010 consumes more capacity – XIV uses Large disks
  • MS recommends large slower drives – XIV uses 2TB SATA drives
  • No more streaming backup with Exchange 2010 – XIV is the king of snapshots
  • DAG active copy is limited to subset of the disks – XIV uses all the drives all the time
  • Rebuild impact performance – XIV rebuilds are industry record in speed and with minor impact to performance
  • XIV was the first storage to be certified by MS for exchange 2010
  • XIV was the first storage to be certified by MS with 2TB drives
  • XIV + Exchange 2010 performance is leading the market

IBM - XIV for Exchange 2010

Storage Considerations for Exchange

EMC (from EMC’s Best Practices)

  • Determine IO’s required per user
  • Determine # of spindles required for performance, compare to # of spindles required for capacity
  • Determine Drive Types & RAID Types required
  • “Iterate over all possible solutions” to determine best combination of RAID level, drive type, spindle count, # of engines, etc..
  • Do not share spindles over multiple servers
  • Manually Balance IO throughout storage system
  • Tune Cache to heavy writes
  • Per EMC, most Installs will still require 15k Drives

XIV

  • Determine IO’s required per user
  • Determine Capacity required
  • No need to worry about drives or RAID
  • No need to worry about all of the permutations of configurations
  • Physically separate spindles (not applicable)
  • XIV Automatically spreads data for no hot spots
  • No need to tune cache

Consolidate and Simplify with XIV!

References:

Compare IOPS

http://technet.microsoft.com/en-us/exchange/ff182054.aspx

http://technet.microsoft.com/en-us/library/gg513523.aspx

Typical Exchange 2010 Topology

Exchange 2010 Architecture