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Last updated on 2024年6月16日

How do you recover your data from a backup after a system failure?

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Experiencing a system failure can be a stressful ordeal, especially when it comes to the potential loss of valuable data. However, if you've been diligent with your data management practices and have a backup in place, recovering your files can be a straightforward process. This article will guide you through the essential steps to retrieve your data from a backup, ensuring you can resume your work with minimal disruption.

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Mahdi Mansour

Director of Monitoring , Evaluation and Learning
Nithin P.

Senior Consultant at Rubrik, Inc.
Costa Manesa

Data Quality Support @ Organization for Public Health | Data Processing Expert

1 Assess Damage

Before attempting data recovery, it's crucial to understand the extent of the system failure. Start by determining whether the issue is with the software or hardware. If it's a software problem, a simple restore from a backup may suffice. However, if the hardware is damaged, you might need to repair or replace it before restoration. In either case, ensure that your system is stable; otherwise, the recovered data may be compromised again.

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Mahdi Mansour

Director of Monitoring , Evaluation and Learning
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Firstly, you should always do backup or ensure your data are backed up. then depending on your system you can follow the recovery steps. which usually using a recovery program, which can access your backup, whether from an external drive or cloud storage. Launch the recovery software, select the backup files, and restore them to the desired location. However, it is wise that after restoration, verify data integrity as it may contain corruptions, or it may not recover all data.

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Costa Manesa

Data Quality Support @ Organization for Public Health | Data Processing Expert
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Evaluate the Extent: Determine what data has been lost or corrupted.Identify Critical Data: Prioritize the most important files or systems that need immediate attention.

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2 Choose Backup

Selecting the right backup is the next step. You likely have multiple backups—incremental, differential, or full backups. An incremental backup includes data that has changed since the last backup, while a differential backup contains all changes made since the last full backup. A full backup, as the name suggests, is a complete copy of all your data. Choose the most recent and appropriate type of backup for your situation to ensure a comprehensive data recovery.

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Costa Manesa

Data Quality Support @ Organization for Public Health | Data Processing Expert
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Identify Backup Sources by locating your backup files, whether they are stored on external drives, cloud storage, or network-attached storage.Select the Most Recent Backup: Choose the latest backup that contains the most complete and relevant data.

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3 Prepare Recovery

Preparing for data recovery involves a few critical tasks. Firstly, ensure your backup is accessible and intact. If it's stored on an external drive or a cloud service, check the connections or log in to your account. Next, if you're using a physical medium like an external hard drive, scan it for any potential issues that could disrupt the recovery process. Lastly, create a safe environment on your system where the recovered data can be stored without being affected by residual issues from the failure.

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Costa Manesa

Data Quality Support @ Organization for Public Health | Data Processing Expert
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Set Up Recovery Environment: Ensure you have a stable environment for data recovery. This may involve setting up a new system or using a secondary machine.Install Necessary Software: Make sure you have the required backup software or tools to restore the data.

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4 Execute Recovery

To execute the recovery, use your operating system's built-in tools or a third-party software designed for data restoration. If you're using Windows, you might utilize the 'Backup and Restore' feature, while macOS users can rely on 'Time Machine'. Follow the prompts to select your backup source and choose the files or system settings you want to restore. Be patient during this process as it may take some time depending on the amount of data being recovered.

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Costa Manesa

Data Quality Support @ Organization for Public Health | Data Processing Expert
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Initiate Restore Process: Use the backup software to start the restoration process, selecting the necessary files or system images.Monitor Progress: Keep an eye on the recovery process to ensure it completes without errors.

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5 Verify Data

After the recovery process is complete, it's imperative to verify that your data has been restored correctly. Check the integrity of files and applications by opening them and ensuring they function as expected. This step is crucial to confirm that the recovery was successful and that no corruption occurred during the process. If any discrepancies are found, you may need to attempt the recovery again or seek out specific files from your backup.

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Anas Al-Baghdadi

Health Quality Consultant
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After the data recovery process, it's vital to verify the integrity of the recovered data to ensure no files are corrupted or missing. I recommend using checksum tools like MD5 or SHA-256 to compare the recovered files against their original values if available. Additionally, for database recovery, running consistency checks and queries can help ensure that the data is intact and usable. This step is crucial to avoid future issues that might arise from using incomplete or corrupted data.

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6 Update Practices

Finally, consider updating your data management practices to prevent future data loss. Regularly schedule backups and test them to ensure they're reliable. It's also wise to explore different types of backups and consider using a combination of local and cloud-based solutions for added security. By refining your backup strategy, you can minimize the impact of any future system failures and safeguard your valuable data.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Nithin P.

Senior Consultant at Rubrik, Inc.
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Preparing and maintaining detailed documentation for the recovery process, including creating a recovery scenario blue print in advance and periodically executing recovery drills is highly beneficial for identifying potential areas of improvement in the backup and recovery strategy. it also helps to ensure the RPO and RTO can be met during an actual recovery incedent.

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How do you recover your data from a backup after a system failure?

1

2

3

4

5

6

7

1 Assess Damage

2 Choose Backup

3 Prepare Recovery

4 Execute Recovery

5 Verify Data

6 Update Practices

7 Here’s what else to consider

Data Management

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How do you recover your data from a backup after a system failure?

1

2

3

4

5

6

7

1 Assess Damage

2 Choose Backup

3 Prepare Recovery

4 Execute Recovery

5 Verify Data

6 Update Practices

7 Here’s what else to consider

Data Management

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