Database Backup and Recovery Needs

Though many database systems nowadays incorporate tools for database backup and recovery in their infrastructure and interfaces, it is wise to comprehend what the entire backup and recovery process entails. With growing volumes of both personal and organizational information, there is definitely a need for safe backup and recovery. Maintain your database properly by making use of free backup software and data recovery techniques. Apart from the data files, database transaction logs also call for backing up. The regularity of performing backups entirely depends on your data requirements. There being a wide range of free backup software to select from, it is the responsibility of every computer user to select the best software for backup solutions.

Database failure can happen due to a wide range of reasons. It is wise to be familiar with some of these reasons so that you can integrate then in you recovery and backup plan. Media failure can cause data damage and loss. This happens when the media holding the transaction logs or data files fail. Data damage, corruption or loss can also happen due to user error. A catastrophic event can also cause database failure. Therefore, it is vital to have a database backup and recovery plan. Free backup software also comes in handy to enable you set up a back up of your database which will be a great relief in case your data gets damaged or lost.

If a database crashes and there is no plan of recovering it, the results can be very devastating to an organization as this can amount to data loss, revenue loss and dissatisfaction by customers. Whether an organization is small or big, backing up important data is of essence. Free backup software and a backup and recovery plan are vital in case disaster strikes. The backup should be able to include important database parts like the redo logs, data files and control files. Data backups normally protect against unexpected loss of data by offering a way through which original data can be restored. Generally, recovery identifies the various operations that are executed in restoration, rolling back and rolling forward a back up. This includes the operations and strategies that are put in place to protect the database from loss of data.

Database Backup and Recovery Needs

Though the database backup and recovery process can be intricate, it involves some basic principles. Firstly, there is a multiplexing of the online redo logs. After this, the database is run into an ARCHIVELOG mode after which the redo logs are archived to many locations. Then the many concurrent backups for all control files are maintained. Finally, regular backups of the physical data files are taken and stored safely; if possible, many copies are made. This is all possible with the aid of free backup software.

As long as there backups of the archive redo logs, recreating the original database is normally simple. A statement failure, process failure, instance failure, media failure or application/user error can lead to data loss. Make use of free backup software to secure your data. When backing up the database, there is a wide range of backup type to use such as the whole database backup, offline database backup, online database backup, datafile backup or tablespace backup. Backup and recovery for your database is vital to protect data from failures and corruption. Free backup software solutions offer you feature to protect data. A backup is important for any personal or organizational data just in case of database failure or destruction.

Database Backup and Recovery Needs
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Database backup is essential to the day to day functions of a company. A company without a decent database backup can face disastrous consequences should the live database fail. Nowadays database backup and recovery is a standard function in any backup software solution. It is also becoming common practice in free backup software solutions given its importance. So have a look at both types of solutions as you don't always need to spend to cater for your needs.

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Backup Software - Data Recovery Online

The incredibly rapid growth of digital technology, particularly digital media such as music, software, videos and photos, coupled with a similar increase in digital communication, has called for new measures to protect files that are essential for small business and customers. Only 25% of small web businesses currently have data backup in some remote location.

On line Back-up software is a web based service where small web business and customers are able to store their files in a protected place such as an outside server. In this way, customers can reach a second set of all their important files. These files can be used as a backup if any unexpected event or disaster deletes their original files.

Most of the companies that allow this capability do so by getting users to sign on to their service. Some back up businesses target customers and small businesses while other web-based providers focus on corporate servers or personal computers. This method provides managed and program storage systems to corporate buyers as part of an outsourcing agreement.

Backup Software - Data Recovery Online

Nowadays, the web is a central tool of home-based businesses with more than twenty-nine million firms connected. What's more, they're using faster broadband speeds with DSL already being used at one-half of all home-based business. Along with the constant growth in broadband on line services, there has also been a vast addition in the advancement of digital information thanks to the influx of digital photos, music, videos, etc.

Get in to the fully-automated remote backup services that do backups automatically. These companies scan their client's disk drive via the Internet for the files and application programs which are indispensable to the clients and create precise copies from them. Then the back up company stores the information safely aside as insurance policy against the loss of the client's files.

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ISO to Backup and Restore Your Hard Drive

Do you ever calculate the times you have performed operating systems installations? Well, personally, I cannot remember the actual times I have installed Windows for both work and personal. Let me give some rough figures.

Windows 3.11 - 5 times

Windows 95 - 5 times

ISO to Backup and Restore Your Hard Drive

Windows 98 - 50 times

Windows Me - 5 times

Windows 2000 - 5 times

Linux Red Hat - 3 times

Windows XP Pro - 100 times

Windows Server 2003 - 3 times

Windows Vista - 8 times

Honestly, I never enjoy going through the process of installing any of the operating systems. For those who know me, I will most probably be looking at the progress bar during the installation as if I am very interested. However, I am actually very frustrated and hoping that the progress bar could go as fast as it could be.

Attended Installation

Well, some of you may know that the normal installation through the OS CD or DVD (such as looking at the progress bar and clicking several next buttons) is called attended installation and it is possible that you create your own unattended installation using deployment tools. However, I will not be covering the Windows unattended installation.

Unattended Installation

Most companies use Imaging (ISO) to create a duplicate copy of installed operating system so that they can easily install the exact copy of operating system with their corporate settings to every new machine by extracting the ISO.

ISO Images

- ISO is an archive or a duplicate or backup copy of whatever files that you wish to store

In other words, I create ISO images to backup my entire operating system hard drive data.

Hiren BooCD and Norton Ghost to create ISOs

I use Hiren BootCD, the all in one Dos Bootable CD. One of the software included is Norton Ghost, which can be used to create hard disk images known as ISOs.

ImgBurn

ImgBurn is a Windows program and it's free. You can install it and create ISO images or burn the images into CDs and DVDs.

ImgBurn VS Hiren BootCD

The difference between the two is that ImgBurn needs to be installed as a Windows program and undeniably, a good and easy tool to create ISO images. However, if your hard disk is corrupted, you won't be able to use ImgBurn unless you have dual booting. Thus, you need to use HirenBootCD and Norton Ghost to extract your ISO images to the corrupted hard disk.

The Idea

Simple:

1. Complete an attended installation or manual installation from CD or DVD on one machine

2. Install all the necessary programs that you need such as Microsoft Office, Adobe Acrobat Reader and the likes

3. Perform operating system updates

After performing the steps above, boot your computer from Hiren BootCD and you will come to a screen for you to select the types of software that are bundled. Choose Norton Ghost from the list and from there, you can create an image out of your partition drive.

The ISO file can be stored in your hard disk for easy access but not in the same drive where you install your operating system. If your computer fails to load or startup properly, you can then pop in Hiren BootCD, boot from the CD and restore the ISO file.

The Practice

My own practice is to have at least two partitions, namely C and D.

- C drive will be the drive where I install my operating system and programs

- D drive will be my document drive

- A copy of ISO created from the C drive will be kept in D drive

Benefit

When operating system is corrupted, none of my document files will be affected when I extract ISO into the C drive. Extracting ISO to C drive will overwrite every data in C drive without any warning. However, after extracting the ISO, you will get the same settings and operating system as of the time when you create the ISO.

What's more? You do not have to go through the process of keying the product key, selecting the time zone, installing the drivers and commonly used programs.

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'SMART - Status Bad - Backup and Replace' Hard Disk Error and Recovery

Physical hard disk failure refers to the condition in which data stored in the system becomes inaccessible due to hard disk malfunction. A hard disk is comprised of several mechanical and electronic components. But when these components get affected due to external factors like high intensity magnetic waves, sharp impact, temperature, water or fire, they get physically failed. Also, internal issues like wear and tear, low material quality and poor composition cause hard drive failure. In such cases, Hard Disk Recovery service can come to rescue and recover all lost data.

Hard drive failure is not instant in some cases. The modern hard drives come with an advanced technology known as S.M.A.R.T. (Self Monitoring, Analysis and Reporting Technology). It is a proactive warning system that monitors the hard drive health on the basis of certain parameters and generates reports and warning messages on finding any fault. These parameters are sometimes denoted as hard disk reliability factors, such as temperature, excessive bad sectors etc. So, if a hard drive is anticipated to fail, SMART gives error message as:

"Pri master hard disk: S.M.A.R.T. Status Bad, backup and replace"

'SMART - Status Bad - Backup and Replace' Hard Disk Error and Recovery

Explanation

By master hard disk, error refers to the one, which is being primarily used by computer system to store data. The above warning suggests that users are required to immediately backup all data and replace the failing hard drive with a new one. Hard drives may go bad due to mechanical component failure, electronic faults or firmware corruption.

But in most of the cases related to physical failure, users may need to opt for Data Recovery service to recover their lost files. It can occur due to two basic reasons:

o Backup failure
o Ignoring the S.M.A.R.T error message

Hard Disk Recovery Service

It is a specialized component level service provided by recovery experts to recover data from physically failed hard drives. The processes involved in Hard Disk Recovery start with detailed analysis of the failed hard drive and chalk out suitable recovery procedures accordingly. A physically failed hard drive gets dismantled in sterile lab environments of Clean Rooms and technical procedures like repairing or replacing disk internals, disk cloning, shifting the platters etc. are applied. Data Recovery service experts can recover data in all cases of failures including those which S.M.A.R.T. can't detect.

Stellar Information Systems Limited offers industry's leading Hard Disk Recovery service through Class-100 Clean Rooms. We have been providing recovery service from more than 16 years. The advanced recovery service is provided for almost all makes and models of hard drives as SCSI, SATA, EIDE and IDE including server hard drives and SSDs (Solid State Drives).

'SMART - Status Bad - Backup and Replace' Hard Disk Error and Recovery
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K Madhav is a student of Mass Communication and doing research on Hard Disk Recovery and Data Recovery.

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