Error Reading Data From Tape

The Internet changes the dynamics of competition.there. "A good number of them want highly-available
Today, a traditional supermarket chain, whichon-line archives to support regulatory compliance
probably lorded it over the market for years, can beinitiatives. Clearly, transitioning to disk based solution is
edged out by a start-up web-based service providerinfluenced by their desire to reduce ongoing
that promises to deliver groceries to your doorstepoperational costs associated with large tape
7x24. Logistics companies are growing in size andinstallations disk-based solutions," McKnight explains.
capability to the point that they may someday soon"In larger enterprises, tape libraries are being
be able to render trading services and compete withrelegated to deep archive processes and many of
banks.them are now using virtual tape library (VTL)
Like all other elements of business, IT is undersystems as interim data backup solutions to meet
pressure to match the demands of modern-daythe shrinking backup window and to improve the DR
business by continually raising productivity of bothBC process," notes Cornfield.
people and processes. Unfortunately, as theTechnological benefits
organization gets bigger, it becomes increasinglyVTL masks itself to the server as a tape library. But
difficult respond faster to changing marketbecause it uses disks instead of tape, the lag usually
environment. One area of IT that faces a toughassociated with storing data on tape is nonexistent.
challenge of matching the speed of business changeIf the VTL is connected to a legacy tape library
is data storage.system (used primary for deep archive), it will take
"Over the last five years, enterprises have movedcare of writing to the physical tape based on policies
storage into the network, via storage area networksset by IT.
or SANs, in response to the need for increased"The real benefit of VTL to businesses in this region
utilization of expensive disks, and the need tois convenience," says Anthony Chan, vice president
centralize storage for easier management andof StorageWorks Division at HP Asia Pacific. "It
greater security," says Greg Cornfield, Asia Pacificmakes for a much easier transition into the disk
vice president for Copan Systems.backup world. You don't have to learn anything new
Jimmie Chang, principal research analyst for Gartner-- just tell your backup software product that it has
China said demand for storage is becoming moreanother tape library."
complex. "Enterprises had relied on IT for the secureExisting backup software seamlessly "recognizes" the
storage and timely retrieval of business data.VTL as corresponding tape equipment so current
Nowadays, however, things like regulatorybackup software can remain in place -- with only
compliance, natural disasters, and terrorism areminor configuration changes.
keeping the pressure on IT to ensure that backupChan said the last three years have been a period of
restore processes are routinely performed anddevelopment for VTL in the region. "I see
systems are tested," Chang said.accelerated demand for VTL in the Asia Pacific this
Reliance on tape library is not enoughyear. Users in the region are becoming more familiar
A year ago, the data center of a food & beveragewith it and it's just really starting to take off now.
giant caught fire and when the IT department tried"Most of today's enterprises have BCP/DR processes
to recover affected transactions from the archive,in place. What they will be looking at in 2006 onwards
they found that some of the tape cartridges wereis the deployment of continuous data protection
corrupted, much to the horror of the CIO.solutions," Chang concludes.
It is no wonder IT managers are looking to replaceForce of change
their tape libraries with more secure and costAll significant shifts in technology evolve out of a
effective alternatives. A report from analyst firmcombination of forces. In this case, the increasing
Enterprise Strategy Group (ESG) said there are threevolume, value, and volatility of information combined
reasons why enterprises opt to replace their tapewith business, financial, and regulatory pressures and
libraries: (1) improvement of backup and recoveryfinally, the emergence of suitable technological
processes; (2) business continuity and disasteralternatives, all point towards a future increasingly
recovery enhancement and (3) reduction of tapedominated by disk-based secondary storage solutions.
library costs.This happens because regardless of business type,
John McKnight, research director at ESG, says usersenterprises are essentially information processing
are turning to disk-based storage systems out of aorganizations. The more accurate and fast they are
need for faster, more reliable backup and recoveryable to process information, the better the chance of
operations and improved business continuity andstaying ahead in the competitive landscape.
disaster recovery protection, but it doesn't really stop