You are setting up Perfmon to record the number of I/O per second for a customer's clustered SQL Server prior to a migration to an EMC VNX. Which Perfmon counter should you add to the log view to…

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• ALogical Disk\Disk Reads/sec and Logical Disk\Disk Writes/sec of the database and log LUNs
• BPhysical Disk\Disk Reads/sec and Physical Disk\Disk Writes/sec of the database and log LUNs
• CLogical Disk\Disk Reads/sec and Logical Disk\Disk Writes/sec of the database LUNs
• DPhysical Disk\Disk Reads/sec and Physical Disk\Disk Writes/sec of the database LUNs

• A
  79% (19)
• B
  4% (1)
• C
  4% (1)
• D
  13% (3)

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