Mumbai, Maharashtra, India
How important is system reliability? So important that entire industries have sprung up over the years to insure it. RAID systems are installed so if one disk in a system fails, the data exists on others. Failover technology is used for mission-critical systems so one server starts when another fails without interruption. And, of course, backup technology has become so state of the art that when a system error occurs current data can quickly be recovered.
But one very persistent enemy can undermine system reliability, despite any other "safeguards" in place. This enemy will work against you in everyway. That enemy is the disease known as fragmentation.
All hard drives suffer from file fragmentation. Fragmentation occurs as a default of the flawed operating system. As files are created and edited parts of each file are saved wherever free space is available on the hard drive. This scatter method slows the file access time considerably as the read head reassembles each tiny piece of the file. Therefore, any disk drive, for any purpose--including RAID, mirrored systems, or backups--is subject to fragmentation.
In the IT world "everyone knows" the fact that fragmentation slows down performance. However, many are not aware of the severe impact fragmentation has on system reliability. For example, a heavily fragmented computer can suffer from slow boot times, system hangs or crashes.
File fragmentation also takes a serious physical toll on hard drives. Disk head movement is increased by the need to access data contained in fragmented files. The more disk head movement, the less mean time between failure (MTBF) will be experienced, shortening the life of the hard drive.
Fragmentation doesn't get better on its own--it worsens as the disk stores more data. As a result, the associated problems also continue to get worse. The only way to increase system reliability is regular defragmentation.
In today's world of multinational conglomerates with enormous disk capacities, larger file sizes and increased activity any system error must be handled immediately before any downtime begins to cost the company. The true cure to the fragmentation disease is an automatic defragmentation solution--one which works consistently and automatically in the background. Scheduled maintenance has become a thing of the past. Fortunately, such solutions are now appearing on the market.
Source: Business Wire (Business Wire India)
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