Monday, November 30, 2009

Common Mistakes that You Should Avoid To Ensure Successful RAID Data Recovery

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RAID (Redundant Array of Inexpensive/Independent Disks) is a technology, which enables you to achieve improved levels of performance and storage reliability from less reliable and low-cost PC-class drive components, through a technique of managing devices in array for redundancy. In this technique, data is replicated among several hard drives and thus the chances of data loss is minimized. But in some situations, like RAID controller failure, multiple disk failure and virus infection, you may face critical data loss situations with RAID and need Data Recovery solutions to retrieve lost data from affected hard drive.

While trying to recover data from RAID array, you need to be extra careful, as a minor mistake during recovery process might cause all of your data to be lost permanently. There are a number of RAID recovery mistakes that users made all around the world, while attempting to extract their data from failed RAID drives.

By knowing what such RAID recovery errors are, you could efficiently avoid them and maximize your possibilities of retrieving lost data and information. RAID arrays are quite sophisticated and prone to damage if not tackled with care. The RAID failure could stem from a number of causes, ranging from software malfunctions to hardware failure. While trying to repair a RAID array, you may make either of the following mistakes:

  • Error while repairing: Generally users would follow their own ways and attempt stuff that could lead to further damage and permanent data loss.

  • Running disk repair utility: Trying to repair a failed RAID disk through any disk repair tool, like chkdsk in Windows, may destroy data patterns of RAID array.

  • Formatting RAID disks: Disk formatting removes all the data from particular drive. Failing of more than one RAID disk can not be handled on your own. In such cases, Data Recovery Service come for you help.

The recovery service is a personalized help, offered by data recovery experts to successfully handle all types of data loss situations. The recovery professionals work through safe and sterile environment of Clean Rooms using advanced tools and techniques.

The data recovery service technicians know all ins and outs of the RAID array and competent enough to handle all types of data loss situations. They play safe with your damaged RAID drives and avoid all chances of further damage and data loss.

Friday, November 27, 2009

How to Get Your Files Back From External Hard Drive?

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Diagram of a computer hard disk driveImage via Wikipedia

Losing your valuable data and information could mean a number of different things. May be you've something, particularly useful for your organization or just the photos and memories of your family and friends. Users, who have critical data on their systems, usually create backup on removable storage media such as external hard drive. In case of damage to the external hard drive, you are required to opt for data recovery solutions to ensure safe and successful recovery of your missing critical and valuable data.

Data loss makes its effect on everyone and that's why there are a number of software and services available that enable you to get your data back. The recovery solutions and success rate are dependent upon the cause and type of disk failure. Recovery solutions can do everything for you to help you get your precious data back.

If you are searching on Internet for external drive recovery, you might get a number of guides and help websites, which would teach you the way to proceed. If you feel that hard drive is having some electrical or mechanical problems, you are highly recommended not to go for any recovery solution on your own.

A minor mistake during the course of recovery may cause further damage to your hard drive and make all your business-critical data irretrievable. There are number of dust particles available in the environment, which can damage sensitive platters of hard drive.

The market of data recovery is increasing day by day as the number of computers users increasing and thus the hard drive failure. Not all recovery companies can provide you effective recovery softwre and service. You should first find out an experienced and reliable firm to ensure successful recovery of your lost data.

If you come across data loss situations due to physical problems with your hard drive, like head crash, actuator damage and natural disasters, data recovery service would help you to fix the issue. It is a sophisticated help delivered by skilled professionals in clean and controlled surroundings of Clean Rooms.

In the else case, data recovery software will help. The applications are capable of retrieving lost data in most of the logical failure cases like file system corruption, operating system malfunction, virus infection and many alike. They are pretty easy to use and thus do not demand sound and prior technical skills from you.

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Saturday, November 21, 2009

Ways to Limit Costs of Hard Drive Data Recovery

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Linus Torvalds, creator of the Linux kernel.Image via Wikipedia

With the value of data and information increasing day by day, data loss has become the greatest menace to any size of businesses. If your business data center or the storage system have ever faced any type of data loss disaster, you might quickly realized how precious the data lost is. The conditions become worse, when you come to know how much it will cost you to hire a data recovery professional or go for other recovery solutions.

Following are some common tips that can help yo to avoid these scenarios:

  • Replace the aged hard drives for a specified period of time. As the computer hardware gets old, chances of failure are increased. You should periodically check all your computer hard drives for problems. If the drive is facing any problem, immediately create a backup before the data become irretrievable.

  • When you upgrade your system, make a clone of the old hard drive and place it to new one. Copying files to new hard drive is not an ideal way to go.

  • Regularly run De-fragmentation on your computer hard drive. High disk fragmentation might lead to file system corruption and data loss.

  • If your computer works improperly and you see strange error message, check your hard drive and file system for integrity and consistency. This is possible using chkdsk in Windows, Disk Utility in Mac OS X, VRepair in Novell and fsck in Linux and UNIX.

  • If you hear any strange noises from your computer hard drive, unplug the computer and stop using it. Further use of your system might cause irreparable damage. You should never open a physically damaged hard drive in general environment. Dust particles available in the air might damage sensitive disk platters.

  • If you are experiencing logical damage, never install any Data Recovery Software or other tools on hard drive and do not run disk repair utility. It might overwrite lost data and may it impossible to recover.

If you come across data loss due to physical failure, data recovery experts can help you to get your valuable data back. They work through safe and sterile environment of Clean Rooms using cutting-edge technologies. Logical failure cases are quite easy to handle, as compared to physical ones. You can recover all your data own using data recovery software. The applications are very safe and easy to use.

The company which I personally recommend for data recovery is Stellar Information Systems Limited which provide cheaper and best solution for data recovery.

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Thursday, November 19, 2009

“No operating system” Error message

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BIOS (Basic Input Output System) is a boot firmware required to control various functions of the computer system like disk drivers, keyboard, display screen, etc. Changes can be done in the BIOS settings to enable or disable anti-virus, and all the other settings of the computer. Proper care should be taken while making changes in the BIOS as any wrong changes may result in corruption of partition table. In addition, it results in an error message, which makes the system unbootable and the data, inaccessible. In order to recover your data from the corrupted partition , you will need to restore it from a recent backup file. In case, you have not maintained the backup file, then you need to opt for specialized hard drive data recovery solutions to recover your data.


For Example- When you restart the system after changing the settings of BIOS, you may encounter the following error message:


No operating System”


When this error message occurs, you will not be able to boot the system, and the data stored in the hard drive will become inaccessible. Moreover, you will receive the above error message, everytime you try to boot the system.


Cause:

Following are the causes of the above error message:

  • Incorrect or Wrong changes in the BIOS settings.

  • Virus infection or Trojan attacks in partition table.


Resolution:

To resolve the issue, you need to follow the steps below:

  • Use a good quality anti-virus software.

  • Use an updated backup to restore your lost data.

  • Re-install the operating system.



In most cases, these measures help you in resolving the problem. However, if the above given measures fail to resolve your problem, then you need to reformat your computer system and create all the partitions again. But, after reformatting your system, you will lose your data saved in the partitions. In such situations, a powerful hard drive Data Recovery software will recover your lost data effectively and safely. These hard Disk Recovery applications use high-end scanning algorithms that powerfully extract and recover your lost data from the selected partition. These tools are embedded with highly enriched graphical user interface that makes them user friendly, so that anyone can use them without facing any difficulty.

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Friday, November 13, 2009

How to Perform Data Recovery For External Hard Drives?

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External hard drives offer great security and flexible data storage option by providing mobile backup option. With huge storage capacity, accompanied by excellent data transfer rates, along with the flexibility to easily plug drive into your computer and reasonable prices have dramatically increased their popularity. Though, external hard drives are quite safe as compared to internal drives, they also may fail at some point and cause serious data loss situations. In such critical circumstances, you need to opt for data recovery solutions to get your valuable data back.

However, as the use and popularity of external hard drives increased, large amount of backups and valuable data are stored on them. But the drives are increasingly failing without any apparent reason. Most of such failing hard drives are generally from well-known drive manufacturers and have high storage capacity.

This is widely believed that hard drive MTTF (Mean Time to Failure) and MTBF (Mean Time Between Failure) are two critical measure that helps you to identify the period in which drive would function properly.

To explain the background of MTBF calculationImage via Wikipedia

In fact, these measures of hard drive are vary, depending upon the drive manufacturers.

It also has been observed that the disk failure isn't constant with age and that, evidently a significant onset of wear-out degradation, rather than significant infant mortality effect. The disk failure may also occur due to logical damage to the drive. Such type of damage occurs due to file system corruption, hard drive formatting, virus infection, operating system malfunction, accidental deletion, disk metadata structure corruption and many others.

In case of logical failure, you can easily retrieve your lost data from external hard drive using data recovery software. The applications are specifically designed to methodically scan entire hard drive and extract all of your lost data from it. Data Recovery Software come equipped with self-descriptive user interface to provide ease of use.

The physical failure of external hard drive is generally caused by read/write head crash, spindle motor damage, power outages, disk controller failure, damaged actuator arm and many alike. In such cases, recovery service is required to retrieve lost data.

Data Recovery service is the personalized help offered by recovery professionals to salvage physically damaged hard drives and retrieve lost data from them. The experts work through safe and sterile environment of Clean Rooms using advanced tools and techniques.

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Wednesday, November 11, 2009

BIOS Error Codes Appear When Hard Drive Controller Fails

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Square hole punch used for 5 1/4 inch floppy d...Image via Wikipedia

Hard drive controller is the circuit, which acts as an interface between CPU and hard disk, floppy disk and other kinds of hard drive. But, there are times when a hard drive controller fails, due to which you may receive some error codes. These codes may also appear if there is any hardware failure. When a hard drive controller fails or damages, the hard drive becomes inaccessible and the system becomes unbootable, this may further create serious data loss situations. In such situations, the only thing that comes to your mind is to restore the data from an updated backup file. But, in case you have not maintained any backup, then you need to use specialized hard drive recovery services to recover your hard drive data.


A hard drive controller may fail due to power outage or failure, overheating, wear and tear, etc. When it fails, you encounter some error codes. Few error codes that you encounter after hard disk controller failure are:


01H: 'Bad Command.'

03H: 'Disk write protected (floppy)'.

04H:'Request sector not found'.

20H: 'Controller failure'.

40H: 'Seek failure'.

80H: 'Disk Timeout (failed to respond)'.

BBh: 'Undefined error'.

CCh: 'Write fault'.


When you encounter any of the above mentioned error codes, all your data present in the hard drive becomes inaccessible. In these circumstances, understanding the criticality of data, you would want to recover your data. Now, when you re-install the operating system and if the process continues without any problems or errors, then you need to use a high-quality data recovery software to recover your data from the formatted hard drive. But, in case of hardware failure or hard drive controller failure, the need for hard drive recovery service arises. These services are offered by data recovery companies. These companies employ the experience of highly qualified and talented data recovery specialists to ensure complete and error-free recovery of your data. These experts repair and replace the damaged parts of the hard drive under the safe environment of Clean Rooms to ensure comprehensive disk recovery.

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Friday, November 6, 2009

“Boot error Press F1 to retry.” Error in Windows

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Computer users often encounter an error message while trying to boot the computer system. One such error message occurs when you try to start your computer, but it does not start as there is no operating system for it to load, due to which the boot process halts. This generally happens if the master boot record of the drive is corrupt. If the master boot record of the system is corrupt, then the only resolution would to be to format the hard drive. But, you will lose all your data from the hard drive after formatting. In such situations, a recent data backup can be used to restore your data. But, in case the backup is unavailable, then you can recover your data by using specialized hard disk Recovery services.


Consider a situation – Sometimes, when you try to start your Windows-based computer, you encounter the below mentioned error message:


Boot error Press F1 to retry.”


After this error message flashes, the system goes through BIOS and the error message is displayed on the black screen.


Cause:

The above mentioned error message occurs because of the following reasons:


  • When the hard disk is missing a master boot record or boot sector.

  • When the system could not find or access the boot device.

  • When no partitions are active in your hard drive.

  • When the master boot record is corrupted.


Resolution:


Try to workaround the issue by following the steps below:


  • Check the controller connection of your hard drive to make sure it is working.


  • If the control connection is working properly, then there is a definite possibility that the problem may be caused due to MBR (Master Boot Record) corruption. In such situations, the issue can only be resolved by formatting the hard drive, repartitioning it and re-installing the operating system.


This makes the situation even worse as you will lose all your data after formatting the hard drive. In these circumstances, to recover your hard drive data completely, you will need to call hard disk recovery technicians. These are highly qualified and talented experts who powerfully extract the data from the hard drive using high-intense mechanisms. In case of physical damage, these experts provide comprehensive disk recovery by repairing and replacing the damaged part of the hard disk, whereas in case of logical data loss, high-quality software are used to recover your data.

Monday, November 2, 2009

How Data Recovery Methods Combat Data Loss Situations

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In a computer system, either desktop or laptop, hard drive is the secondary memory that stores all of your valuable and significant data. The hard drive consists of circular magnetic platters and their respective read/write heads to read and write data. Disk platters are divided into tracks and sectors to actually store data and effectively manage it. However, the hard drive is a reliable storage media, it might crash because of technical, logical or environmental issues. Such behaviors result into critical data loss circumstances and need data recovery to be handled.

Hard drive crash or failure is an extremely dreaded condition that results into data loss. At this point, you are unable to read data from and write data to the hard drive. Generally a computer hard drive consists of some system resources that are used to boot the system and manage data on the hard drive. They include MBR (Master Boot Record), file system, file system table and so forth.

When a hard drive crashes, your system generally refuses to boot and give you some error message. The ideal way to prevent further data loss in such situations is to immediately turn your system off and do not attempt any recovery procedure, until you discover the cause of data loss. The recovery solutions are varying according the cause and type of data loss. Data loss situations and recovery solutions can be categorized into following two sections:

  • Logical data loss and recovery: Such data loss occurs due to damage to the logical components of hard drive. It occurs in case of file system corruption, hard drive formatting, virus contamination, accidental deletion, operating system malfunction, application errors and many alike.
    Recovery in all these situation is possible through
    data recovery software. The applications use efficient scanning mechanisms to methodically scan whole drive and recover all of the lost data from it. The data recovery software are completely safe and easy to use.

  • Physical loss and recovery: Physical data loss situations occur when damage to hard drive internals like read/write head, actuator arm, spindle motor, disk platters, PCB (Printed Circuit Board), disk controller and so forth.
    data recovery professionals will help you in these cases to retrieve your lost data. The experts have rich experience to effectively handle all types of hard drive failure situations. They use advanced tools and techniques for absolute and assured recovery.