Data Recovery

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Data Recovery For Peace Of Mind
Tuesday, March 31, 2009

One of the biggest concerns that can happen to a person is to lose the data off of their hard drive and it can happen when you least expect it. Many of us store personal and business information on our computers. Data viruses are a serious threat and very possibly they can delete some of your important data from your system. And like many of us, you may have accidentally deleted some data or important documents. Like many serious business owners you can?t leave yourself vulnerable to these dangers as you have a lot to lose if you have no way of recovering lost data. That data is lost forever.

There is data recovery software that is capable of recovering any data should you lose it. And it?s something any serious business person should have.

What Data Recovery Software Can Do

1)Recover any information that?s been lost after virus attacks, software failures, power cuts or any other types of threats.

2)Undelete files or information that have been deleted.


The best way to avoid compromised data security is to put safeguards in place. A few common data security measures are encryption, antivirus and firewall protection. Encryption translates data into a secret code. To read an encrypted file you must have access to the key or password that enables you to decrypt it. There are many software programs and services that provide encryption services depending on your security needs. Other security measures are available such as anti-virus and firewall protection. There are some software programs that combine anti-virus and firewall protection for overall data security.

Some people take computer safety lightly but if you are an active computer user, it is vital to have a backup plan and additionally good software for data recovery just in the event you accidentally lose your data or in the event of a virus attack. For active computer users, data recovery software is a must whether you?re a business owner or just a computer amateur.

Some people are reluctant when it comes to the cost of protecting their data, as well as the time involved in doing secure backups. What they fail to consider is the cost of their lost personal and productivity time that is spent trying to recover data that could be recovered in just minutes if they had properly taken the time to safe guard the data in the first place. If your computer data files are the lifeblood of your business and personal life, the time and money involved in protecting that data adequately and properly is worth the extra cost.

Data recovery either from a crashed hard drive or lost through compromised data security can be a frustrating and devastating experience. The best situation is to avoid the loss of data all together with regular computer backups and data security measures in place. Data recovery software takes only minutes to install and it virtually takes care of itself. Your computer data will remain where it needs to be, on your hard drive.

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Posted In Data Recovery. @ 6:57 AM  
Data Recover Software
Saturday, March 21, 2009

There are numerous data recover software on the internet, some free and some you need to purchase. Most data recover software allows you to recover lost data or deleted files either from your hard disk or CD/DVD media.

Before downloading or buying a data recover software, here are some tips that will help to determine which data recover software is the best for you.

Easy Installation

A good data recover software should be easy to install. Since most people aren?t computer geeks, it should be fast and easy to install and works in a variety of platforms such as windows 98/Me to windows NT to windows 2000/XP.

User Interface

The data recover software should be user friendly. Instructions are clear and the all the data recover options should be clearly visible and not hidden in sub menus and such.

I?m sure you do not want to spend hours fiddling with the software to figure out how to recover your data.

Features

The best data recover software should have tools that allow you to recover data from multiple sources such as your hard disk as well as from CD or thumb drive.

The data recover software should also be able to recover part or all of the data. Basically you can choose to recover one file or multiple files easily.

It have support for multiple file systems such as FAT, FAT32 and NTFS since different operating system uses different file systems.

Some data recover software also works as a background agent which helps to backup critical system files and data you designate to be protected.

Support

The data recover software vendor needs to support good support either via email, helpdesk or phone. Nowadays with the internet, the vendor should have a knowledgebase for common problems on their website.

Search Capabilities

A good data recover software should be search capabilities to search for files you want recover. Many times, there could be thousands of files that could be recovered and it is time consuming to manually find the file you want. Therefore, a good data recover software should allow you to search for a file easily.

Data Recovery Effectiveness

You may be surprised some data recover software are not able to restore back files you want. They are able to locate the files but can't restore them or to their original file directory.

A good data recover software should have all of the above features.

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Posted In Data Recovery. @ 3:57 AM  
Data Recovery And Hard Disk Information Retrieval - A Complete Review.
Thursday, March 12, 2009

Recently my hard drive crashed, hey I don?t mean that windows decided to be bitchy and make me reinstall it ? Anyways it?s really been a long time since I?ve been idiot enough to run Microsoft programs, thanks very much!

Well I mean that my hard drive, spinning away quietly at speedy away irreverently, which all of a sudden emits a scratchy, screeching sound that can only be described as sickening, and immediately wiping out vast swathes of data like some primordial plague lord reaper scorching the continent of Europe with the bubonic. Sure this was one hellish experience, but nothing compared to the misery which began once I hired a hard disk data recovery service.

As a techie patiently enlighten me over the phone, a hard disk data recovery is not always a simple or a clear-cut affair. In order to complete a successful hard disk data recovery, it can either be a simple matter or an intricate one, and either expensive, or rather unreasonably expensive, depending on the severity of the problem.

At times the only problem is that something is not working with the loading mechanism of the hard drive. In fact there more than a dozen of programs and macros which have to load to enable the computer to boot successfully, and if any one of these becomes cross-linked, or has any error at all with one of it's files, it can potentially cause a crash and necessitate a hard disk data recovery. Fortunately, this is the easy kind - it is even possible to for one to perform the hard disk data recovery with a little know-how and an extra hard drive. Simply slave boot the hard drive to another one, and extract the data off of it ? and you are ready to go as easy as pie!

However if you actually scratch the disk's surface, the hard disk data recovery becomes a much more tricky and a problematic affair. Time and again there are several solutions. Of which, one of them is to do a simple software hard disk data recovery, where you pull as much data off of the hard drive as you physically can, and simply hope the scratch hasn't affected a spot where it ruined too many of your files. If the hard drive has been physically wrecked ? that is to say, if it is badly scratched and won't spin without doing further damage, or at all ? then it must be taken apart physically, and the plates must be examined by sophisticated, expensive machinery. And this is the case where hard disk data recovery can run into the range of thousands of dollars!

Paul I. Etkin provides readers with up-to-date commentaries, articles, and reviews for computers, internet as well as other related information.

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Posted In Data Recovery. @ 5:08 AM  
What To Expect With a RAID Server & Data Recovery
Monday, March 2, 2009

What To Expect With a RAID Server & Data Recovery

Common RAID Server Failures And Data Loss Issues

  • RAID controller failure or configuration changed
  • Two or more hard drives fail or go offline
  • Server crashes and won't remount the array or volume(s)
  • Configuration becomes corrupt or damaged
  • Adding incompatible hard drives
  • Hardware conflicts
  • Software corruption
  • Virus infection, software and operating system upgrades
Recovering Data From RAID 0 Hard Drive Configurations

Because data on a RAID array or volume is typically critical to business continuity, when it becomes inaccessible due to one or more hard drives failing, a bad RAID controller, multiple hard drive failure, failed upgrade or damaged striping, RAID status in degraded mode, or errors with the MFT mount points, it is imperative that you shut the server down and get help.

Permanent data loss often occurs when hard drives are swapped, moved from one position to another or placed in other machines in an attempt to rebuild or repair the array. Formatting a boot drive or partition can also damage or remove striping, which reduces the recoverability of data and causes permanent loss.

RAID 0 Configurations

RAID Level 0 requires a minimum of 2 hard drives to implement. A RAID 0 configuration is a striped array without fault tolerance. A benefit to this RAID configuration is that it reduces the hard drives used. If any hard disk fails, the entire volume will be lost completely. For this reason, a RAID 0 configuration should never be used for any server which contains sensitive information, such as a SQL server or Exchange server.

RAID 1 Configurations

RAID Level 1 requires a minimum of 2 drives to implement. For the best performance, the controller must be able to perform two concurrent separate reads per mirrored pair or two duplicate writes per mirrored pair. In certain instances a RAID 1 array can recover from multiple and simultaneous hard drive failure, it also uses the simplest storage design. The overhead is very high at 100%, so RAID 1 may not be ideal for a larger server.

RAID 1+0 Configurations

RAID Level 10 (1+0) requires a minimum of 4 drives to implement. A RAID 10 is a striped array with segments consisting of RAID 1 arrays and having the same fault tolerance as RAID level 1 plus the overhead fault-tolerance of mirroring. In certain instances a RAID 10 array can recover from multiple and simultaneous hard drive failure. Because of limited scalability and high inherent costs, RAID 1+0 is typically used in database server applications like an Exchange Server or SQL database server which requires high performance and high fault tolerance levels.

RAID 0+1 Configurations

RAID Level 0+1 (0+1) requires a minimum of 4 drives to implement. A RAID 0+1 is a striped array with segments consisting of RAID 0+1 arrays and having the same fault tolerance as RAID level 0+1 plus the overhead fault-tolerance of mirroring. In certain instances a RAID 0+1 array can recover from multiple and simultaneous hard drive failure, however, a single drive failure will cause it to run as RAID 0. Because of limited scalability and high inherent costs, RAID 0+1 is typically used in imaging applications general file servers. It tends to be a high performance solution with reduced emphasis on reliability.

RAID 2 Configurations

RAID Level 2 requires a minimum of 2 drives to implement. Each bit of data word is written to a data disk drive (4 in this example: 0 to 3). Each data word has its Hamming Code ECC word recorded on the ECC disks. On read, the ECC code verifies correct data or corrects single disk errors. In certain instances a RAID 2 array can recover from multiple and simultaneous hard drive failure. The entry level costs for RAID 2 are extremely high, making it not commercially viable. RAID 2 performs 'on the fly' error corrections.

RAID 3 Configurations

RAID Level 3 requires a minimum of 3 drives to implement. RAID 3 is highly efficient and single disk failure affects performance only slightly. The data block is subdivided ("striped") and written on the data disks. Stripe parity is generated on writes, recorded on the parity disk and checked on reads. In certain instances a RAID 3 array can recover from multiple and simultaneous hard drive failure. It is commonly used for applications with very high throughput, such as video production, live streaming, and video editing. Read and write speed is high.

RAID 4 Configurations

RAID Level 4 requires a minimum of 3 drives to implement. Each entire block is written onto a data disk. Parity for same rank blocks is generated on writes, recorded on the parity disk and checked on reads. In certain instances a RAID 4 array can recover from multiple and simultaneous hard drive failure. It has the worst write rate of RAID designs, and has a very complex controller setup, however it reads rapidly and is highly efficient.

RAID 5 Configurations

RAID Level 5 requires a minimum of 3 drives to implement. It is the most versatile array design, and is used for databases, mail servers, file servers, etc. A RAID 5 is a striped array with segments consisting of RAID 5 arrays and has the highest data reading speed of RAID models. Each entire data block is written on a data disk; parity for blocks in the same rank is generated on writes, recorded in a distributed location and checked on reads. In certain instances a RAID 5 array can recover from multiple and simultaneous hard drive failure.

RAID 5+0 Configurations

RAID Level 5+0 requires a minimum of 5 drives to implement. It is highly expensive to implement and due to the required synchronization of the spindles has limited disks that can be used. A RAID 5+0 is a striped array with segments consisting of RAID 3 arrays and has fairly high data transfer rates. In certain instances a RAID 5+0 array can recover from multiple and simultaneous hard drive failure.

ADR Data Recovery can rebuild failed RAID arrays, repair damaged RAID volumes, recover hard drive data, and restore critical data your company needs if you call before the damage is too severe. Once platters are damaged, striping overwritten or changed completely, the chances of getting your data back are slim.

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Posted In Data Recovery. @ 12:00 AM  
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