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Velisa Africa Academy now offers a two day Fundamentals of Storage and IO (Input Output) theory workshop.

Number Systems

  • Binary
  • Hex
  • Logic gates such as And, XOR


  • Principles of Raid covering all common raid types.
  • Disk Theory including spinning disks and SSD/ Flash
  • SLC, MLC etc.
  • Replication Fundamentals
  • Synchronous versus Asynchronous

IO Performance

  • Rotational Speed
  • Latency
  • IOPS
  • Throughput
  • Queueing Theory
  • Multi-pathing
  • Performance Benchmarks
  • Operating System performance data such as VXstat

IO types

  • SCSI
  • SAS
  • Fibre Channel
  • NVMe
  • Associated cable types


  • Switch Types
  • Basic FC Theory
  • Zoning
  • Error Types
  • Buffer Credits


  • AC Power
  • Single Phase
  • Three Phase

Delivery Method

  • Instructor-led

The workshop is aimed at students that wish to have the basics before moving on to more detailed courses such as Brocade or Cisco SAN training or Storage Administrator courses. This workshop would also be beneficial to those starting out in an IT career and can also be used as a refresher.

Course duration is 2 days. Course dates are posted on our calendar.


R 3 000.00 Ex Vat


3 Georgian Crescent West, Bryanston East.

For more information please contact us:

Enquiries in Johannesburg and Cape Town : pauli@velisaafrica.co.za

International Enquiries : hema.chugh@globalknowledge.ae

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