18 Feb 2008 04:38:05 | Chris Kivlehan - INetU
Over the last decade many businesses, long established and newly
formed alike, have made the World Wide Web a key
revenue-generating channel. Billions of dollars are transacted
each year over the Web. For many, going online to make a
purchase or to find information that will lead to a purchase is
now second nature.
A natural consequence of this situation is that enormous amounts
of very valuable data are stored on computers. And as we all
well know, computers tend to die from time to time. For every
business that is using the Web as a revenue-generating channel,
their data is an important company asset. The loss of a customer
order database could be devastating to a business, leading to
unfulfilled orders, dissatisfied customers and loss of touch
with thousands of clients. Depending on one computer alone,
death-prone machines that they are, is a formula for disaster.
Since it is pretty self-evident that preventing the loss of all
of a business’ orders and customer information is an important
task, why is it that backup solutions are among the lowest
priorities of most businesses shopping for Web hosting?
Backups could be compared to life insurance policies for your
Web operation, but they are really something more. Quality
backups are like a life insurance plan that would resurrect you
if you passed away, rather than simply grant your loved ones
some monetary assistance.
Like a Web hosting plan, backup solution should be chosen
appropriately with what the company is doing on the Web.
Businesses running small brochure Web sites will need the most
modest sort of backups; however businesses collecting data from
customers and prospects through the Web need very reliable
backup solutions. The acid test for a backup plan is whether it
provides the means to restore your site to a fully operational
condition within one hour after a server crash.
A modest backup suitable for a brochure-style site can consist
of simply keeping a spare copy of all of the files on a separate
computer. If the site is such that visitors do not submit to any
databases or add any content, then this type of backup is
perfect. Certainly, a basic brochure site could be restored very
quickly with this type of backup.
Sites that are dynamically interacting with visitors and
constantly writing new information to databases cannot rely on
simply keeping spare copies of their files. Those copied files
are quickly outdated. Databases that are accepting information
online need to be backed up frequently. How frequently depends
on how important the data is to the company, and how
unacceptable some data loss is in a disaster. For a relatively
low traffic site where the data being collect isn’t all that
critical, weekly backups may suffice. For sites collecting large
amounts of orders and client information every day, daily
backups are a minimum requirement. The very largest e-commerce
sites have been known to take backups on an hourly basis, or
even have their data constantly written to backup computers in a
process known as replication.
Technologies used for backup solutions will vary depending on
the operating system platform and the type of data that is being
backed up. In a Windows environment, Veritas (www.veritas.com)
software’s BackupExec is a premier solution for those who cannot
afford any data loss. Veritas produces special agents to work
with many leading software applications to ensure data from
those applications is backed up perfectly. In a Unix
environment, open source backup software such as Bacula
(www.bacula.org) makes for a high-quality, low-cost solution.
In addition to the software products that actually run backups,
businesses must consider what type of media they want their
backup stored on. Choices include secondary hard drives in the
same computer that is running the site, tape drives, separate
network storage devices and CDs or DVDs. CDs and DVDs make for
great portable backups, but are limited to relatively small file
sizes (roughly 700MB and 4.8GB respectively). Network storage
devices can be very expensive, but can backup enormous amounts
of data. Tape drives offer perhaps the best balance of cost,
storage capacity, portability, security and quality. Backups
done to a second hard drive are the easiest on the budget and
the fastest in terms of restore time, but are vulnerable to
corruption in a situation where the disaster is caused by a
hacker.
Choosing the right backup plan for your business should be done
in consultation with an experienced professional who can help
you design a solution that will allow you to restore your site
to full functionality as quickly as needed. While often
overlooked in the price-conscious shopping process, backups are
critical to the long-term success of any Web operation.
Computers being what they are, after a certain amount of time it
is a given that your backup solution will be tested. It is just
a matter of when. It is best to be prepared for this day with an
appropriate backup solution.
Four Things To Do When Administering Backups (potential sidebar
to this article)
·Have written policy and procedures in place on how a restore
from backup should be handled. In a time of crisis, this will
cut down on confusion and allow the process to move along more
smoothly. ·Test restores from backup. This is very critical.
Some complex applications might require special software agents
or configurations to backup and restore properly. Make sure the
test restore is successfully accomplished in a time frame that
would be acceptable for a real restore. If the process takes too
long, you may have to reconsider your backup strategy.
·Physically protect backup data from hackers and thieves.
Someone getting a hold of an unencrypted backup is just as bad
as someone breaking in. ·Keep copies of software that may need
to be re-installed along with your backups. This includes
operating systems, software applications and security patches
for either of those.
About Author :
Chris Kivlehan is the Marketing Manager for INetU Managed
Hosting, an award-winning web hosting provider that specializes
in managed dedicated hosting for businesses nationwide.
www.inetu.net / chrisk@inetu.net / 610-266-7441