Archive for the 'data recovery software' Category

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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Apr 15 2010

You May Lose Mac Data After Finder Corruption


In Mac OS X operating systems, you can effectively manage user files and launch applications, network volumes, and disks. All this and more can be done using an inbuilt utility, known as Finder. It is a GUI (Graphical User Interface) application, which works as a ’shell’ in UNIX operating system. It is the first application you interact with after running Mac OS X computer. The Finder is also responsible for general look and feel of your machine. In case this application becomes faulty or cannot be launched, your valuable data may become inaccessible. In such situations, you need to fix the problem using appropriate Mac Recovery solutions.

In case the Finder application gets damaged, or it becomes unusable, you may encounter various error messages, similar to the following ones:

  • The application Finder.app can’t be opened. -10810.

  • The Finder can’t complete the operation because some data in <folder name> can’t be read or written.
    (Error code -36)

After this, you need to find out the cause of this problem and perform Data Recovery Mac by fixing it, to access your valuable data.

What Causes Finder Corruption in Mac OS X?

Corruption may take place due to numerous reasons, such as unexpected system shutdown, virus infection, application crash, and more. The problem may also occur due to internal file system errors or running Disk Utility on mounted Mac OS X hard drive volume.

Resolution

In order to work around this problem, you need to format the hard drive and reinstall operating system. After formatting and re-installation, restore data from the most recent backup. However, if the backup is not available, you face grave situations as formatting removes all the data from hard drive.

In such cases, Mac File Recovery Software come to your rescue. The applications are capable of methodically scanning the entire hard drive and extracting all lost, missing, and inaccessible data from it. They enable easy and safe Mac Data Recovery in all cases of data loss.

Stellar Phoenix Macintosh Data Recovery software recovers lost data from hard drive, USB drive, FireWire drive, memory card, and Apple iPod. It recovers Mac Data from HFS, HFS+, HFSX, and HFS Wrapper file system volumes. The software works well with Mac OS X 10.6 Snow Leopard, 10.5 Leopard, 10.4 Tiger, and 10.3.9 Panther.

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Mar 29 2010

Hard Drive Doesn’t Boot, But Can Be Accessed If Booted From Floppy


Is your Windows hard drive refusing to boot up when you start your computer? Can you boot your system using a floppy disk without any problem? The problem may occur due to missing or damaged boot files on your Windows hard drive. Corruption may occur due to numerous reasons such as virus infection and improper system shutdown. In such cases, all your hard drive data may become inaccessible and you may face critical data loss. You need to restore valuable data from a complete backup. However, if the backup is not available, hard drive recovery becomes need of hour.

When a hard drive refuses to boot in such cases, you can boot the system using a bootable floppy disk and can access the disk using third-party disk utility software. After booting the system, you can run disk repair utility, like ChkDsk tool, to detect and fix hard drive errors.

Cause

Generally, when Windows hard drive can not be detected in BIOS (Basic Input/Output System) but accessed normally after booting the system using floppy, it implies a problem with logical components of the drive. The most common cause of this problem is a damaged boot sector or a boot sector virus.

Resolution

Try the below methods to fix the problem and perform hard drive data recovery:

  • Reboot the hard drive

  • Scan your hard drive using an updated anti-virus software. If the problem is due to a boot sector, it can help you to sort the issue.

  • Set the system or boot partition as ‘active’, if you are changing the hard drive partitions. Else, you can not boot from primary partition.

  • Boot your system in Recovery Console and fix a damaged boot sector, if it has been corrupted by a virus or some other reason.

  • Put your DOS partition as the first partition, if you are configuring your system as dual-boot.

If none of the above methods work, you need to format the hard drive and reinstall operating system to fix damaged boot sector. However, formatting removes all the data from hard drive and creates need of hard drive recovery.

You can successfully recover lost hard drive data using third-party hard drive data recovery software. The applications use efficient scanning methods to ensure absolute recovery in all cases of data loss.

Stellar Phoenix Windows Data Recovery is the most excellent solution for all kinds of data loss. The software is compatible with Microsoft Windows 7, Vista, 2003, XP, and 2000. It supports recovery from NTFS5, NTFS, FAT32, VFAT, and FAT16 file system partitions.

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Mar 23 2010

Recover data from inaccessible, corrupt or damaged CDs


Have you ever faced problems copying the content from a CD to your computer’s hard drive? You can see the content but cannot go ahead with the copying is often a case while dealing with CDs. The CD won’t perform the copying function in case of corruption and physical damage. If a disc is not severely damaged, the contents can be accessed by adopting following steps:

  • A dirty disc cannot be read correctly, thus try cleaning it with a soft cloth

  • Try the disc in some other computer as some CD drives are capable of forgiving minor disc errors

  • Save the data on the other computer and transfer it to yours via a USB or you can use Internet (If the data is not too bulky)

  • Check the drive cables on your machine

If all the above steps fail, then there is something seriously wrong with the disc. In order to retrieve data, one should go for a proficient CD ROM data recovery tool.

These applications are capable of recovering data from CD ROMs, CD-Rs, CD-RWs in various data loss situations including:

  • Volume descriptor damage

  • TOC (Table of contents) gets damaged

  • Disc is corrupt or has signs of physical damage like scratches, bubbles etc

  • Disc appears blank or appears as audio disc

  • Disc is full error which renders data inaccessible

CD ROM data recovery is possible even in a scenario when the computer freezes after inserting a CD. In the past it was very difficult to recover data that may have been lost on a CD, but with advancement in technology, extracting data from a corrupt CD has become a cakewalk.

Stellar Phoenix CDRom Data recovery is a dependable application which performs recovery from the damaged CDROM, CD-R and CD-RW. The CDRom data recovery software recovers data from CDs built on all Windows, Linux and UNIX Operation Systems. The tool boasts of various features which includes creating an image file of damaged or defective CD, file masking, file unmasking and file filter.

Be it recovering data from a disc with scratches or an inaccessible CD or a disc with multiple sessions of writing, the tool is an all-in-one solution.

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Mar 17 2010

Tips to Solve Mac OS X Error: ‘The volume Macintosh HD was found corrupt…’

In case your Mac OS computer won’t boot properly, running disk repair utility can help to correct the problem. Also, this utility can be used to check for file system inconsistencies, even if your Mac OS X computer boots just fine. This disk repair utility includes two tools- fsck and Disk Utility. Problems, which are unfixable by Disk Utility, are usually solved by command line utility- fsck. But if fsck also fails, you may fall in undesired situations of data loss and need of mac data recovery as the last resort is to perform erase and install.

 

Following is a scenario that illustrates the similar kind of problem, as stated above. Suppose you use Mac OS X 10.6 Snow Leopard and run Disk Utility. It reports some file system errors indicating that the file system is not in good state. At the end of error report, you encounter the below mentioned error messages:

 

The volume Macintosh HD was found corrupt and needs to be repaired.
Error: This disk needs to be repaired. Start up your computer with another disk (such as your Mac OS X installation disc), and then use Disk Utility to repair this disk.

 

Though you may be able to correct this issue for sometime, but the problem repeats.

 

Cause

 

Such problems are the direct consequence of events like, power interruption, forced restart, or unexpected shutdown.

 

Solution

 

In order to solve the depicted problem, you should do the following steps:

 

  • Insert the Snow Leopard install disc and start the computer while holding the C key

  • Select ‘Disk Utility’ from the ‘Utilities’ menu

  • Perform Repair Disk steps for the corrupted drive

  • Quit ‘Disk Utility’ once it finishes and start the computer as normal

 

Doing the above steps should resolve the issue. If these do not, you need to perform ‘Erase and Install’ and restore from the last available backup.

 

A Mac OS X user may find backup being unavailable or not in the state of restoring. In such situations, a data recovery mac utility can rescue all lost files and folders from a corrupted or reformatted disk. A Mac Data Recovery software is easy to install and operate.

 

Stellar Phoenix Macintosh Data Recovery is a useful solution designed to recover and safely restore lost or missing data from HFS, HFS+, HFSX, HFS Wrapper, and FAT file system volumes. This Data Recovery Mac tool is compatible with Mac OS X 10.6 Snow Leopard, 10.5 Leopard, 10.4 Tiger, and 10.3.9 Panther.

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Jan 10 2010

How Can the Asset Recovery Help You to Retrieve Lost Data?


These days, nearly all business organizations need to use effective computers in order to work effectively. Nevertheless of the excellence of your computer system, there comes a time point when it requires to be substituted. Operating systems malfunctions, new inventions develop, and frequent wear and tear may actually degrade even the best system. But you can not throw your failed systems away as they contain significant data and information that are essential for your business. In such cases, you need to go for Data Recovery solutions to extract data from failed systems.

The process of retrieving data from unusable computers is known as Asset Recovery in business terms. It is the process of maximizing value of the end of life or unused assets through efficient divestment or rescue. Both small and large organization use this type of recovery at some level with end goal of getting the highest possible return from asset. This is also the procedure of liquidating the excess inventory of the healthy organizations, equipment returned, or refurbished items.

When it comes to retrieve data from to failed systems, asset recovery needs specific type of applications or services. The type of solution depends upon the cause and type of failure. There are basically two types of system failure and data loss- Logical and Physical.

Logical Failure:

This is the type of failure, which occurs due to damage to the logical components of your system such as applications, system data structures, and operating system. The logical failure is caused by file system corruption, hard drive formatting, operating system malfunction, hard drive formatting, virus infection, accidental deletion, and sabotage.

You can extract lost data in such cases through effective and advanced Data Recovery Software. The recovery applications use high-end scanning techniques to perform through scan of damaged drive and extract all lost, missing, and inaccessible data from it. With read-only conduct and simple graphical user interface, Data Recovery is safe and easy with these tools.

Physical Failure:

Such kind of system failure takes place due to mechanical failure of hard drive components. It may occur due to read/write head crash, disk controller failure, power surges, accidental drop down, spindle motor damage, natural disasters, and overheating. The system may not detect your drive in such cases and does not boot up.

Recovery in such circumstances is feasible through the help of Data Recovery Service professionals. They offer personalized and sophisticated assistance to extract data from all types of physically damaged storage media. Recovery is carried out in safe and sterile environment of Clean Rooms.

Stellar Information Systems Limited is the foremost provider of best-in-class recovery solutions. The software are available for Windows, Mac OS X, Linux, UNIX, and Novell operating systems. Service is delivered through Class 100 Clean Rooms using advanced tools and techniques.

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