How storage devices works


Data Loss And Disasters

Digital information can be instantly sentwater and foam into the building, submerging
over wires over long distances to any placeeverything.
in the world. It is easy to modify digital
data, delete it, change it and make as manyFloods
copies of it as one wants. All information
technology devices have fast processors thatFloods are getting increasingly common in the
process data at an astonishing speed thatworld because of global warming and melting
results in tasks getting executed faster andof glaciers and polar ice caps. Any river
more  efficiently.lying close to your office may overflow its
banks without warning in an unexpected
Any company in its routine work generates arainfall or cloud burst. Computers and
lot of digital data. This has to be storedstorage devices that get submerged in water
safely and securely on a storage device sosuffer  serious damage and become inoperable.
that it can be accessed anytime in the future
for further processing or transferring toLightning  Strike
other machines. The data storage products
industry is quite advanced and offers a rangeLightning is accompanied by thunder clouds
of  devices  to  suit  every need and budget.during storms and cyclones. It contains an
electric charge that is millions of volts
Popular storage media available in the marketstrong. If it strikes your office building,
include non-removable devices such as hardit sears through electric and telephone
drives, USB drives, floppy disks, opticalcabling and fries all electronic circuits
disks, portable hard drives and tape drives.inside computers and hard disks. It can also
Their capacities range from 1.4 MB for amake flash memory cards useless by destroying
floppy disk to a whopping 500 GB and eventheir data that is manipulated by an electric
more  for  a  hard  disk.charge.
Digital data has many benefits, but suffersTerrorist  Attack
from one very serious drawback which almost
negates all its advantages. It is volatileTerrorist attacks account for large-scale
and unstable because it is represented asdestruction of property and human lives each
electric charge or a pattern of magneticyear. Usually, such a strike involves a
particles. For a variety of reasons, it canmassive bomb blast that collapses the
disappear instantly anytime, leaving thebuilding or hurls everything around with a
users  in  serious  trouble.great impact. If your office is located in a
busy commercial district, terrorist attack
Data loss is a very serious affair that iscan  be  a  possibility.
responsible for many companies closing down
every year as they cannot cope with itsBacking  up  Data
after-effects. Digital data can be lost due
to a variety of factors that may hit theMost companies realise the importance of data
storage devices. Mainly these are of twoand take a regular backup on devices such as
types - hardware errors and software errors.portable hard disks and tape drives (usually
Most of the data lost due to these can bethe latter). This is very effective in cases
recovered by the users themselves using DIYof hardware or software errors that crop up
data recovery software or handing over thein  individual  computers.
damaged devices to professional recovery
companies.However, data loss by a disaster is a totally
different ball game. Keeping backup on
But the worst-case data-loss scenario for anindividual devices is of no use when a
organisation is when the office building isdisaster strikes because the backup and
hit by a disaster. These disasters can becomputers are usually stored inside the same
natural such as accidental fire, floods,building. Both are totally destroyed if a
storms, cyclones and lightning strike orfire  or  flood sweeps through the structure.
man-made such as arson, sabotage and
terrorist  activity.The only way to guard against data loss due
to natural or man-made disasters is using
Fireremote or online backup. Many service
providers today offer this technology. In
A fire is the most unfortunate thing that canthis, the backup is taken automatically from
happen to an office building. It destroysthe client's computer by a software and the
everything such as paper files and documentsentire data is quietly transferred to the
as well as information technology devices. Aservice provider's servers that exist far
fire is capable of intense heat that roastsaway. When a disaster strikes, the client can
computers and bends or melts hard disks andbuy new computers, download data from the
optical disks out of shape. Additional damageremote server through a password and be back
is done when the fire trucks arrive and pumpin business in a matter of hours.



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