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Data Storage
What, How, Why and Where?
Areas we’ll be covering:
• What is Data Storage?
• Why is it important?
• How does it work?
• What is Data Backup?
• Mediums of Storage
• Choosing a Medium of Storage
• Major Sellers
Data Storage
The collective methods and
technologies that capture and retain
digital information on
electromagnetic, optical or silicon-
based storage media. Storage is a
key component of digital devices, as
consumers and businesses rely on it
to preserve information ranging from
personal photos to business-critical
information.
Storage is frequently used to
describe the devices and data
connected to the computer
through input/output (I/O)
operations, including hard
disks, flash devices, tape
systems and other media types.
Importance of Storage
• Improved Functionality
• Easy access and sharing
Working 👑
Data Storage is done when a person saves his/her data in order
to access it again, as and when required. The data one stores is
saved in the different mediums one has access to. Depending on
the size it can be saved in different measurements, ranging from
a ‘bit’, which is the smallest unit of measure in the computer
memory up to ‘exabyte’, the largest unit of measure. For
calculation purposes, ‘eight bits’ make up ‘one byte’. Therefore, a
kilobyte or ‘KB’ measures ‘1024 bytes’; a megabyte or ‘MB’
measures ‘1024 KB’ and so on up until Exabyte.
On a Hard Disk
Data is stored on a hard disk by ‘fragmentation’. is a condition in
which the contents of a single file are stored in different locations
on the disk rather than in a contiguous space.
It occurs in three forms, namely:
• Internal Fragmentation
• External Fragmentation
• Data Fragmentation
Data Backup
Duplication of data which
allows retrieval of the duplicate
set after a data loss event.
Mediums of such backup are
magnetic tape, hard drives,
external hard drives, USB drive,
cloud storage etc.
Selecting a Medium of Storage
• Scalability
• Capacity
• Costs
• Performance
• Reliability
• Manageability
Different Mediums
• Primary Storage (RAM)
• Hard Disk Drive
• Solid State Drive
• Optical Data Storage
• Flash Memory Cards
• Server Side Flash
Major Sellers
• Dell EMC
• HP Enterprise
• IBM Storage
• Quantum Corp.
• NetApp
• Hitachi Vantara
• Tintri
• SanDisk

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Data Storage

  • 1. Data Storage What, How, Why and Where?
  • 2. Areas we’ll be covering: • What is Data Storage? • Why is it important? • How does it work? • What is Data Backup? • Mediums of Storage • Choosing a Medium of Storage • Major Sellers
  • 3. Data Storage The collective methods and technologies that capture and retain digital information on electromagnetic, optical or silicon- based storage media. Storage is a key component of digital devices, as consumers and businesses rely on it to preserve information ranging from personal photos to business-critical information.
  • 4. Storage is frequently used to describe the devices and data connected to the computer through input/output (I/O) operations, including hard disks, flash devices, tape systems and other media types.
  • 5. Importance of Storage • Improved Functionality • Easy access and sharing
  • 6. Working 👑 Data Storage is done when a person saves his/her data in order to access it again, as and when required. The data one stores is saved in the different mediums one has access to. Depending on the size it can be saved in different measurements, ranging from a ‘bit’, which is the smallest unit of measure in the computer memory up to ‘exabyte’, the largest unit of measure. For calculation purposes, ‘eight bits’ make up ‘one byte’. Therefore, a kilobyte or ‘KB’ measures ‘1024 bytes’; a megabyte or ‘MB’ measures ‘1024 KB’ and so on up until Exabyte.
  • 7. On a Hard Disk Data is stored on a hard disk by ‘fragmentation’. is a condition in which the contents of a single file are stored in different locations on the disk rather than in a contiguous space. It occurs in three forms, namely: • Internal Fragmentation • External Fragmentation • Data Fragmentation
  • 8. Data Backup Duplication of data which allows retrieval of the duplicate set after a data loss event. Mediums of such backup are magnetic tape, hard drives, external hard drives, USB drive, cloud storage etc.
  • 9. Selecting a Medium of Storage • Scalability • Capacity • Costs • Performance • Reliability • Manageability
  • 10. Different Mediums • Primary Storage (RAM) • Hard Disk Drive • Solid State Drive • Optical Data Storage • Flash Memory Cards • Server Side Flash
  • 11. Major Sellers • Dell EMC • HP Enterprise • IBM Storage • Quantum Corp. • NetApp • Hitachi Vantara • Tintri • SanDisk