Fault Tolerance

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CDI College - Mississauga *

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ESSENTIALS

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Computer Science

Date

Oct 30, 2023

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docx

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2

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Creating fault tolerance partitions in Windows typically involves setting up a redundant storage configuration to protect your data from drive failures. One common method for achieving this is through the use of software-based RAID (Redundant Array of Independent Disks). Windows has built-in support for several RAID levels, and you can use Disk Management to configure them. Here are the steps to create a fault tolerance partition using software-based RAID in Windows: Please note that you need at least two physical hard drives to create a fault-tolerant partition using RAID 1, RAID 5, or RAID 10. 1. **Back Up Your Data**: Before you start, it's essential to back up any data on the drives you plan to use for RAID. Setting up RAID can involve data loss if not done correctly. 2. **Open Disk Management**: - Press `Win + X` and select "Disk Management" from the menu that appears. - Alternatively, you can open Disk Management by typing "disk management" in the Windows search bar and selecting the "Create and format hard disk partitions" option. 3. **Initialize Disks**: - If you are using new drives, they may need to be initialized. Disk Management will prompt you to initialize them if necessary. Right-click on any uninitialized drives and select "Initialize Disk." 4. **Create Partitions**: - Right-click on each drive you want to include in the RAID setup and choose "New Simple Volume." Follow the wizard to create partitions on each drive. 5. **Create a Software RAID Array**: - Once you have created partitions on the drives, you can create a RAID array. - In Disk Management, right-click on one of the partitions you created, and select "New Mirrored Volume" for RAID 1, "New Striped Volume" for RAID 0, or "New Spanned Volume" for RAID 5 or 10. 6. **Follow the RAID Wizard**: - The RAID Wizard will guide you through the process of creating the array. You will select the disks you want to include in the array and configure the RAID level.
7. **Assign a Drive Letter or Mount Point**: - After creating the RAID array, you will be prompted to assign a drive letter or mount point to the new volume. 8. **Format the Volume**: - Format the new volume with the file system of your choice. NTFS is the most common for Windows. 9. **Complete the Wizard**: - Follow the remaining steps in the wizard to complete the setup. 10. **Test Fault Tolerance**: - To test the fault tolerance, you can simulate a drive failure by disconnecting one of the drives and ensuring that your data remains accessible. When the faulty drive is replaced, the RAID array should automatically rebuild itself. Remember that RAID is not a substitute for regular backups. While it can protect against drive failures, it won't protect your data from other types of loss, such as accidental deletion or corruption. Regular backups are still crucial for data protection.
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