Archive for June, 2010

Jun 30 2010

Recovering deleted files using a file recovery software

Published by admin under Data Recovery

I am pretty sure that you have lost your valuable computer data due to yet another folly of yours. Of course, that is precisely why you are here. But there is no need to worry as you are not alone in this regard. There are thousands of other users as well, including me, who may have lost computer data due to some reason or the other. Yes, the reason for each individual may be different as discussed in the subsequent section. But these files can well be recovered using a file recovery software.

There could be various reasons by which you can lose your valuable file such as:
• Permanently removing items of Recycle Bin using Empty Recycle Bin option.
• Using the Disk Cleanup feature to empty the Recycle Bin.
• Permanently deleting files using the ‘Shift+Delete’ keys.
• Deleting files from Command Prompt.
• Abrupt or improper system shutdown.
• Files getting deleted due to corrupt operating system.
• Files deleted because of virus or malicious programs.
• Other miscellaneous reasons such as power outages, human errors, etc.

How a permanently deleted file can be recovered:

When a file is deleted from the system, everybody perceives it as nonrecoverable, which is true but only partially. Because when it is deleted, only its pointer that targets to the file database is removed whereas the file remains there physically. Also, when the file is deleted the operating system is informed that the space utilized by the deleted file is now available for new files. Hence, it can be assumed that the file remains there as long as there is another written at the same location. This is to suggest that if you want to recover the file, you should ensure not to create a new file because it may get save at the same location.
However, to recover the deleted file you should use a third-party file recovery software. Such file recovery tools are read-only in nature that recover the deleted files without overwriting the contents on the hard disk.

Stellar Phoenix File Recovery Plus is a file recovery software that recovers lost, deleted, or formatted data from both FAT and NTFS file systems. In all, this file recovery software supports file recovery from FAT 16, FAT 32, and NTFS & NTFS5 file systems. It is able to recover more than 200 file types from various storage media such as hard drives, external hard disks, iPods, etc. In addition, this file recovery utility is capable of recovering deleted emails from Outlook Express and MS Outlook. It is compatible with Windows 7, Vista, Server 2003, XP, and 2000.

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Jun 05 2010

Running Extensive Stress Test May Cause File System Corruption in Windows

In computing, stress test is a process to testing a system by putting great emphasis on availability, error handling, and robustness under heavy load. It is done to ensure that the system does not fail or crash in situations where sufficient computational resources are not available. However sometimes it can create problems and cause system failure. Such behaviors can also lead critical data loss in some cases. In such critical circumstances, an absolute and valid backup of your valuable data proves great help. But, if backup is not available, data recovery software are required to get your mission-critical data recovered.

In a practical scenario, you may come across file system corruption and file corruption like situations when you run extensive stress test on an NTFS (New Technology File System) partition on Windows 2003 Server computer.

After this behavior, you may not be able to access Windows hard drive partitions and stored data. To retrieve lost data in the event of system failure, you must find out the cause of this behavior and then perform data recovery by fixing it.

Cause

This issue may occur only if all the below conditions are true when stress test is run for many hours:

Your Windows computer has small NTFS file system partitions.

The NTFS file system partition on your hard drive is almost full or full.

Almost 1,000 delete, create, or extend operations are run simultaneously.

Your Windows system has multiple processors.


Resolution

The above problem is quite improbably to take place if the underwritten conditions are true:
Your system has a large NTFS file system partitions. This behavior generally occurs on the small NTFS file system partitions, which range from 1-24 GB (Gigabytes). As partition becomes larger, the possibilities of corruption are significantly decreased.

Free extend, create, or delete operations occur.

The database writes and reads are limited to the files, to which you have already allocated space on the hard drive.

If you do not take the above precautions, serious data loss situations occur and data recovery tools become the last resort to fix it.

The data recovery software are specifically developed to thoroughly scan entire hard drive and extract all lost, missing, and inaccessible data from it. They work in all possible data loss scenarios, ranging from accidental deletion to serious system crash.

Stellar Phoenix Windows Data Recovery is the most advanced and comprehensive utility to ensure safe and easy recovery of lost Windows data. The software is designed for Microsoft Windows 7, Vista, 2003, XP, and 2000. It supports recovery from all NTFS5, NTFS, FAT32, VFAT, FAT16, and FAT12 file system partitions.

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