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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:
http://technet.microsoft.com/en-us/exchange/ff182054.aspx
http://technet.microsoft.com/en-us/library/gg513523.aspx
