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A complete RAID rebuild is quite a long process and it depends on a number of things – the performance of your controller/drives, current controller load/disk load, etc. In the special field, type Yes to confirm.Īfter this sequence of steps, the rebuild process should start.įrom now on, you can boot the server in normal mode and continue your work. Use the Space or Insert key to select the new drive, and then hit Enter.Ī new system notification appears. Open the menu line Manage Arrays, press the key shortcut CTRL+S and access the management page. Now the initialized drive should be added to the RAID. Then type Yes again to agree that the data in this storage device will be erased. Make sure that you selected a new empty drive and type Yes. The operating system will show you a warning saying that one or several drives belong to an array and initialization will destroy the data. In the next page, select the new disk by pressing the Insert or Space key and hit Enter. Your first step is to initialize the new disk, so open Initialize Drives. In the window that opens, select Array Configuration Utility.
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To access then while the computer is booting, press the key shortcut Ctrl+A. Later on, we will explore what should be done in case of system errors or failures, but now we are about to look into the process of rebuilding the disk array.Ĭonnect a new disk to the controller, turn on the computer, and open controller properties.
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This is crucial because anything may happen during the array rebuilding process (one more disk may fail, the process may freeze, or there might be a hardware issue) and cause a total loss of data. RAID 5 is designed in such a way that the whole array remains operable if one of the storage devices breaks down.Īfter a drive fails, the array becomes degraded, and while the computer is booting, you will see a message like this.īefore you take any action, it’s better to back up all important data.
#How to reformat hard drive connected with raid how to#
How to replace a failed drive and rebuild a RAID arrayĪt this stage, we are going to simulate a scenario when one of the drives fails. In the next part of the article, we will find out how to replace a faulty drive and rebuild a damaged array. It will take some more time to finish the building process, and soon you will be able to boot your computer and use the disk array to store your data safely. In our case, we performed all operations on a RAID 5EE based on an Adaptec hardware controller and including six drives 300 Gb each. Specify the array type, its name and size, block size, caching settings and other properties. You will need this information later when you try to recover data from the disks. The new page will contain important properties that should be memorized. Now it’s time to configure the array properties. In the next page, look at the left panel in the window Select drives to create Array to select the drives which will make up the RAID, and then press Enter. Enter Yes to confirm your choice and launch the initialization process.Īfter initialization, we can start creating the array. Use the Space or Insert key to select each of the disks, and then press Enter.Īs a result, you will see a notification warning you that information on all initialized disks will be erased. Find and open the line Initialize Drives. In the new window, you need to initialize the disks in order to tell the controller which of them will be used in the array. In the menu, select Array Configuration Utility. In order to access the controller’s BIOS after hardware initialization, you should press the key shortcut Ctrl+A while the computer is booting. Our RAID will consist of six disks working with the controller, Adaptec ASR-6805T. How to create a RAID 5EE system based on an Adaptec ASR-6805T controllerįirst of all, let’s explore the process of creating a RAID system, the important aspects to be considered when building it, and the settings required to make data recovery possible. This situation renders the whole RAID system inoperable, and you will have to find a way to get your data back. At any time, one or several disks may fail, and this is also true about the controller, or other hardware involved in the process. Though RAID 5 is considered a very reliable solution to store digital materials, still it doesn’t give you a 100% guaranteed protection against possible data loss. Losing important data is something that you can never predict.