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Data Backup - The Options - Old & New, Good & Bad

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         Views: 1784
2008-10-22 09:04:48     
Article by Andrew Beatt

In today's modern business environment, we all know how reliant we are on computer systems, and the information contained within them. It is hard to think of the old days, no mobile phones, fax machines, or internet. Manual paper based systems have long since been replaced and the format changed to digital.

A computer system is only as good as the data held within it. Modern systems on the whole are very reliable, but every now and then problems can occur. Data on a computer system is held on a hard drive. This device is a magnetic, mechanical device with parts spinning at thousands of revolutions per minute. As the hard drive becomes older, the possibility of failure increases. What procedures do you have in place in the event of this happening? Hopefully something other than keeping your fingers crossed!

A peer to peer network consists of a number of computers networked together, each working as part of a group, each with their own hard drives containing their own programs and information, but sharing resources and information throughout the group. If one individual computer on the network fails, it may not be a disaster, but it certainly could be an inconvenience if data contained within it is lost.

A client server network has a central file server containing the most important programs and data, with clients or workstations requesting information from the central server. Due to the nature of this network structure, backup considerations are paramount. If data failure occurs on this network file server, then all users stop working. In real terms, this type of operation and its reliance is similar to a company that runs on a standalone computer, obviously in bigger terms. If the main computer or server goes down, the computing resource goes down.

There are many different options for data backup available. Choosing the correct backup system can make a massive difference in determining what happens should a data problem occur. If you choose the wrong type of backup system, or choose something that is inadequate, then at some point in time headaches and problems are going to occur.

3.5" Floppy Disk Drive
Pretty much a thing of the past, although computers that have been in operation for a number of years may occasionally still use this format for data backup. These disks are pretty much inadequate nowadays, they only store 1.44MB of data and are slow and quite unreliable.

CD-RW Disk Drive
Probably the entry level format for data backup. CD's are very cheap, easily available and can store up to 700MB of data on-board. Handy for backing up a section of data, but due to the size limitation of 700MB, it is unlikely that anyone would ever attempt a full system backup using this format, or even make this their primary backup format.

DVD-RW Disk Drive
Very similar to CD-RW and also very cheap, but using DVD's instead, giving much increased capacity, with standard DVD's coping with 4.7GB of data. Double layer disks store up to 8.5GB and again are a cheap option.

USB Data Key
Simple small key drives which fit into USB ports to give a temporary extra drive; these are very handy and portable with sizes up to 32GB available now.

Tape Drive
Travan drives, Micro-DV Tape and DAT are the most common. Travan drives are slower with less storage capability. DAT tapes come in a couple of sizes - 4mm and 8mm tapes which store up to 40GB. On the whole, DAT drives are reliable, but care must be taken to rotate backup tapes and keep the drive clean. With this format being mechanical in nature, along with other storage devices, they can fail as they become older or through extensive use. Because they tend only to be installed on the central file server, care must be taken across the rest of the network to make sure any locally stored data on workstations is additionally backed up if necessary.

Online Secure Backup With the introduction of high-speed internet technology, it has become increasingly popular for companies to store data remotely. A piece of software is added to the system which is configured by the administrator to backup certain files. These files are securely encrypted and the online backup system then sends the data over the internet to secure remote data centres. Instead of expensive drives and multiple tapes needing to be added to a system, and an operator being responsible for changing daily tapes and organising a routine, the online backup system automatically sends the information at pre-determined times. This eliminates the chance of operator error and sends logs confirming successful operation, or if any errors have occurred. Costs are normally charged on a backup size basis, and tend to be very competitive. Because the system is software driven as opposed to hardware, it is very easy to integrate multiple systems, and can include laptops, remote workers, and external hard drives. Physical security issues, operator mistakes, and device failures are greatly reduced with this method, there are no tapes to remove off site, and restoration of data is fast and easy - whether a single file or a complete system recovery. If you are considering updating computer systems, or looking at your overall data disaster recovery plan, then online backup should certainly be a consideration.

Online secure data backup - Better be safe than sorry.

Why not look at a cost-effective online secure data backup system.

Andrew Beatt - http://www.onlinesecurebackup.co.uk - a business necessity, not a luxury.

Specialized in: Online Data Backup - Remote Backup - Server Online Backup - Data Backup - Server Backup - Onlinebackup - Secure Online Backup
URL: http://www.onlinesecurebackup.co.uk
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