Posts Tagged ‘Data’

Data Loss in Linux While Converting to Virtual Disk

A virtual disk is a disk with some characteristics of the general hard drive, in actual it is the emulation of a hard drive where a traditional Linux file system exists on physical disk partition. Because the virtual disk offers more flexibility of data storage than the divisions, users consider converting all their file system divisions to the virtual disks. After converting divisions to virtual disk, you can access them only via virtual disk nodes. To migrate to a virtual disk from system based divisions, unmount your Linux file system on the division that you want to convert. Then create simple virtual disk for every division with the help of Virtual Disk Manager. Allocate divisions to virtual disks. The divisions would be removed automatically once the virtual disks are assigned to them. When the Linux file system is in the simple virtual disk pattern, migration to another array pattern could be wrong without making the drive offline. Always make sure that the divisions are not accessed during migration process. To simply convert file system divisions to virtual disk we need to follow the following steps: ? Unmount the file system on divisions, which you wish to convert ? For every disk division, choose New from Disk menu, insert a simple virtual disk and allocate divisions to virtual disk. It overlays every division with simple virtual disk. ? For every disk division, choose Modify from Disk Menu and migrate simple virtual disk to desired RAID* type. ? Use File System Manager for updating the information of mounted file system. Replace the divvy** device nodes of file system with their virtual disk ones. In this way, you easily convert your hard drive to a virtual disk and can take benefit of greater flexibility and improved performance. But if the conversion process gets interrupted by any of the reasons like sudden power failure, irresponsive operating system, operating system crash, unexpected system shutdown or restart because of already mounted volume etc. we may face critical problems of data loss. Not all Linux systems are licensed to use Virtual Disk Manager. Unfortunately, if your system isn’t licensed and you are trying to convert your partitions, Virtual Disk Manager exits with some error messages. All these situations put you in trouble of data loss and you need to perform Linux Recovery to overcome this problem. The Data recovery in Linux can easily be achieved using third party applications, known as Linux data recovery software. Linux data recovery software are particularly designed to meet recovery requirements of all Linux users. Stellar Phoenix Linux Data Recovery software is a trusted Linux recovery tool, which efficiently recovers your lost, missing and inaccessible data from Ext2, Ext3 and ReiserFS file systems based hard drives. It supports recovery from all the Linux distributions. Stellar Phoenix Linux Data Recovery has a simple and user-friendly interface, which allows us to have ‘Do It Yourself’ data recovery in Linux.

USPS Software, Data Quality and Why Your Business is Losing Money

The importance of keeping your mailing list names and personal data up to date and accurate can not be understated. Billions of dollars are lost every year by large and small businesses because they ship correspondence to people who have moved, send duplicate mailings, mailings to addresses that do not exists and similar mistakes. By combining data and USPS software together the benefits will be significant.
Data Quality Software is the software that can convert the existing data into an integrated format by creating new fields, merging various files, and by summarizing and filtering it. The process “Data Quality” is the reliability and effectiveness of data, particularly in a data warehouse.
Data quality is much more than just records, fields and values-it’s about establishing business. From personal decisions, customer relationship to control of inventory, operations and even regulatory compliance, quality data forms the very foundation of a successful and flourishing enterprise.
Data quality assurance (DQA) is the method employed to verify the reliability and effectiveness of a data. Maintaining data quality requires going through the data periodically and scouring it. Generally this involves updating it, standardizing it, and de-duplicating records to make a single view of the data, even if it is stored in multiple variant systems.
Since data quality is so important from a business perspective, many large companies employ a data steward to be in charge of data quality. There are many vendor applications in the market to make this job easier.
It becomes easier to match your customer’s records with the help of this software. This improves the quality of your data. Usually computers trip over or ignore if the records don’t match. For instance a computer won’t know that Mac and Mack is the same person. The system is not designed to identify the slight variations in the characters, but data quality software knows this. It uses many other parameters to check the identity of two persons/names. The software also ensures that each customer has only one profile in your computer. This can have the added advantage of properly greeting a customer online when they log in. If certain criteria match, the system can anticipate that the person or group are affiliated and properly populate data.
How significant it is to have a Data Quality Software is we can understand by the following factual example: Gartner study says that poor quality customer data costs U.S. business an estimated $611 billion dollars a year in postage, printing, and staff overhead of reading data from operational systems.
The USPS is the least expensive way to ship letters and small merchandise in general in the USA. The USPS software and Data Quality software will enhance the profitability of every business. By maintaining the cleanest data records there will be less duplicate mailings, less returned mailings, a much stronger ability to sort potential customers and track results. In the challenging time the clean interface and ease-of-use of data quality tools makes is fast and a definite for all businesses looking to maximize their marketing dollars.

Interruption To File System Writing Process Cause Linux Data Loss

In a Linux computer, the file system is metadata that is used for organizing and managing data that is stored on the hard drive. The file system ensures integrity of data. Along with storing data files, the file system also holds and manages important information about files, directories and file system itself (such as date and time stamp, access permission, ownership, file size, storage location and so forth). Since the file system attempts to work as asynchronous as possible, for avoiding the hard drive bottleneck, any interruption of this process may result into severe data loss. For example, consider this case: What happens when your Linux computer crashes while working on a large file that is stored on a Linux file system based hard drive? There may be various options:If the machine crashes after saving the file, you do not lose anything. Just restart your computer and you should be able to access it normally. If the machine crashes before you save the file, you lose all your changes to the file but the data that was already in it remains intact. If the computer crashes while writing data to the hard drive, the file becomes totally unusable. Your application can not open this file and thus you can not access the data. If the machine crashes while your drive is writing to the metadata areas like the directory itself, your file system gets corrupted and you lose all your data on that particular drive volume. To fix such scenarios Linux provides an inbuilt utility, known as fsck. It checks the file system integrity and can fix it in several cases. But this tool is not helpful in case of large file systems. It requires considerable time to perform the check on larger Linux volumes. In such situations, it becomes extremely significant to perform Linux Data Recovery to get your data back. It is the process of retrieving lost data and can easily be performed using powerful linux recovery softwae such as Stellar Phoenix Linux Data Recovery. Phoenix Data Recovery Linux is a commanding tool that ensures efficient Linux Data Recovery in the majority of data loss situations. It supports Linux Recovery from Ext2, Ext3 and ReiserFS file system volumes. This linux data recovery tool is compatible with SUSE, Red Hat, Kubuntu and several other Linux distributions.

Linux data recovery

Linux is an operating system which has many unique capacities which is not available on other operating systems. It has multi user and multi task capacities for data maintenance which is much more needed in today’s world where there is large amount of data and information to be stored in the computer. Data lost is a very hazardous thing which occurs in all operating systems. Now you don’t need to worry about your lost data for your Linux operating system.The Linux data recovery is possible through the use of Linux data recovery software which will recover your Linux data safely. This software can recover your files after:

Powerful Linux data recovery software scans the hard drive and extracts data up to the maximum level of possibility. The Linux data recovery software has the Turbo scan technology and some regulating tweaks which can make the recovery process much faster than before. This Linux data recovery software is easy to use and extremely powerful that you can carry out the Linux data recovery without having the sound technical knowledge. This very software supports all Linux file system such as Ext2, Ext3 and ReiserFS. It has disk imaging and cloning capacities. Where the disk imaging helps in creating image files that can be used as a regular disk and disk cloning option allows the cloning of faulty disk to a healthy disk.

Linux data recovery software is available as the demo version and license version. You can easily download the free demo version of this very software by online but you will have to buy the license version. It supports windows 2000/2003/XP. So if you want your Linux data back safely and easily then you can opt for the Linux data recovery software.