Case Study
Plan the upgrade cycle
By
Neil Murray
It
is always a fine line between maintaining old hardware
and software and investing in new technology. Brick
Brewing eliminated unnecessary anxiety and expense by
planning the cycle of upgrades.
As
computer equipment ages, hardware failures become more
common, costing time and money in the form of repairs,
downtime, and potentially data loss. As software ages,
developers downgrade and eventually eliminate support as
newer versions are released. Dropped support is
particularly painful when they stop providing security
updates and patches.
Short
of stopping time itself, there is no way to slow
obsolescence. By planning the cycle of upgrades for both
hardware and software however; a company can take
advantage of new technologies while maintaining a higher
level of reliability. Today's more powerful software has
the ability to consolidate services that previously
required their own equipment.
Data
Perceptions recently assisted The Brick Brewing Company
Limited (Brick) with just this situation. Microsoft was
about to drop support services on two old but key
software products for Brick - Windows NT 4.0 and
Exchange 5.5. This, combined with aging server equipment
that made hardware failures more likely, made data loss
and business interruption an unacceptable risk.
Brick
involved Data Perceptions in the planning, design and
implementation of their network upgrades. After
discussing the brewery's business technology vision,
Data Perceptions outlined a strategy. Brick would
upgrade from Windows NT4 to Windows Server 2003; and
from Microsoft Exchange 5.5 to Microsoft Exchange 2003.
They would create the new environment on new hardware
with multiple redundancies, each covered by manufacturer
on-site warranty.
The
upgrades meant much more than new hardware and software,
however.
Brick's ongoing technology vision of moving to a new ERP
system and creating tighter integration to existing
custom developed applications could be facilitated by
services consolidation.
It also meant Brick could take advantage of many of
Microsoft's newer innovations and offerings. For
example, Microsoft's Active Directory allowed for better
integration of the user database with their Exchange
e-mail mailboxes. User maintenance becomes more
efficient, and services that previously required
multiple servers could now be consolidated into one
system.
Careful planning, scheduling and testing made the
migration from Brick's legacy systems to the new systems
very transparent to the end users. Microsoft's migration
utilities helped as well, allowing Brick to minimize
downtime. For example:
·
After
capturing the user database on the new server, an
upgrade to Windows Server 2003 Active Directory was
performed off line. When it was re-introduced to the
existing environment, it was set to mimic the older
Windows NT environment so that user desktops and other
servers could operate as usual.
·
After
testing mailbox migrations, the majority of mailboxes
were scheduled to move from Exchange 5.5 to Exchange
2003 over night.
·
When
users logged into their e-mail in the morning, their
clients were transparently redirected to the new mail
server.
·
Both
old and new systems are able to run together for a
smooth migration.
There
is no question that the newer technologies can deliver
more reliable hardware, improved administration and the
ability to receive up to date patches and fixes. As
such, planning a cycle of technology upgrades can reduce
the risk of data loss and business interruption.
Upgrades don't have to impact your users' day to day
activities.
Neil Murray is a consultant at Data Perceptions Inc. Neil has helped several companies plan strategies to protect their data networks, not only from a technical aspect, but also from a procedural point of view.
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