BACKUPS
- INTRODUCTION

Every computer depends
on a hard drive to run
the operating system and
programs and to store
your data. A hard drive
has very, very thin
round platters spinning
incredibly fast
(typically 7200
revolutions per minute),
while arms with
microscopically small
sensors dance back and
forth fifty times per
second (about the speed
of a hummingbird’s
wings). The space
between a read/write
head and the surface of
the platter is around 50
nanometers, about 1/2000
the diameter of a human
hair. Hard drive cases
are tightly sealed
because a speck of dust
is much bigger than the
space between the
platters and the
read/write head.
Hard drives
are mechanical devices.
They break.
Every hard drive will
fail. Your hard
drive will fail. It’s
only a question of when.
Frankly, given the
tolerances involved, it
is simply astonishing
that they work as long
as they do. You will
feel many emotions on
the day you sit down to
a black screen and hear
a click-click-click
noise, but you should
not feel
surprised! It happens.
If you don’t feel
uneasy yet, think about
what the bad guys are
doing to muck up your
computer. The worst of
them require your hard
drive to be reformatted.
If you’re lucky, you can
get your data off first,
but don’t count on it.
You have valuable
data on your computer.
Your business would be
somewhere between
crippled and closed if
you lost your business
data – your email, your
documents and
spreadsheets, your
financial programs and
line-of-business
programs. Your family
photos and videos are
irreplaceable. Your
kids’ homework, the only
copy of the soccer
schedule, the
arrangements in progress
for Grad Night – you get
the idea.
A backup is just an
extra copy of your
stuff.
I’m going to give you
some ideas about how to
make extra copies of
your stuff, generally
and specifically. There
are hundreds and
hundreds of backup
programs and there are
thousands of ways to
accomplish the goal of
having extra copies of
your stuff. There is no
magic bullet, no
solution that is better
than another, no right
answer. I’m going to
give you enough
information for you to
understand what you’re
using or help you pick
something that works.
After that, it’s up to
you.
Because there is a
wrong answer.
Procrastinating and not
doing backups causes
suicidal depression,
alcoholism, cruelty to
animals, and the
heartbreak of psoriasis.
Don’t let it happen to
you!
|