Disk Performance

• Hardware Types: Disks have the following hardware types
  • Magnetic Disks
  • HDD (Hard disk Drive)
  • SSD (Solid State Drives)
• To measure the harddisk performance we have two units
  • IOPS (I/O per second):
  • Throughput
    
• Units of measurement:
  • 1 kibi (kib) = 1024 bytes
  • 1 kb = 1000 bytes
• When you create storage in cloud we get (GiB, MiB, KiB, TiB) options

Storage Migration

• Two Types:
  • Online:
    • Agent Based
    • Dedicated Hardware (Regular Data Transfers)
  • Offline: (One-time)
    • AWS Snowball
    • Azure Data Box

Virtualization

• Explore Virtualization and findout what vmware, kvm and Hyper-V are ?