RAID Recovery™
Recovers all types of corrupted RAID arrays
Recovers all types of corrupted RAID arrays
Last updated: Sep 12, 2022

There is an issue with the RAID after the BIOS update? Fix it now!

Here you will find out:

  • how to fix this issue
  • how DiskInternals can help you

Are you ready? Let's read!

Although RAID provides reliable protection against data storage failures, it can fail at any time due to various factors:

  • power failure,
  • hard disk damage,
  • disk failure,
  • sudden power surge,
  • hardware and software crashes.

If you have a software RAID array, all information about the array is stored in the BIOS of the compatible system. When the BIOS is updated or changed, the RAID configuration is also changed, causing the RAID to fail. Also removing the CMOS battery from the motherboard / RAID controller board resets the BIOS to default values and this also causes the RAID to fail.

You can try to fix the “raid volume failed '' situation by changing the BIOS settings and re-creating the RAID array.

Nevertheless, decent methods are presented below with a detailed description of how to fix the situation that has arisen.

1. Examine connections

First, check all the connections, namely:

  • see if the CMOS is connected to the motherboard,
  • check if the SATA or power is properly connected to the hard drives,
  • if you don't find any damage, check the basic connection in addition, most likely the problem is in the Settings.

If that doesn't work, you'll have to tinker with your BIOS settings.

2. Restart BIOS

Array failure can occur due to BIOS reset or reset to defaults. It should be understood that resetting the BIOS switches the controller back to AHCI mode from RAID and this can be resolved by switching the controller to RAID from AHCI mode.

To do this, follow these steps:

Start booting the system and immediately start pressing the F2 key to open BIOS settings.

Next go to Advanced and select IDE Configuration and then Configure SATA and press the Enter key. Next, in the "Configure SATA As" options, select RAID and pressF10 to save the changes and exit the BIOS utility.

If that doesn't solve the RAID problem, you can try rebuilding the RAID.

3. Recreate it

To fix a RAID failure due to BIOS update by rebuilding the RAID on your system, do the following:

Turn off, and then start the system and immediately press «CTRL + I», to enter the Setup Utility and create a RAID volume.

Note: Do not format disks (you will lose all data on the disk). If formatting the drives is unavoidable, rebuild the RAID array from the failed one. Then re-create the RAID using the Configuration Utility.

This process takes time and does not guarantee a successful RAID rebuild.

4. Recover data

Don't worry, you will be able to recover data from the array even after formatting it. The main thing is to do it as soon as possible and it doesn't matter whether it's software or hardware RAID. Keep in mind that raid recovery is an important task that only a professional application can handle, and DiskInternals RAID Recovery is just such an application with over 15 years of experience. This utility supports all known arrays: RAID 0, 1, 0 + 1, 1 + 0, 1E, RAID 4, 10, 50, etc., as well as recovering JBOD connected to a dedicated RAID controller or motherboard with support RAID from Intel, NVIDIA, VIA. Support for Unicode files and multilevel folders is also available here, all Windows restrictions are bypassed.

Use these instructions to recover a formatted array using DiskInternals RAID Recovery:

First download this program to your computer or server and then install the software, preferably (but not required) on Windows 8 or 10.

Open the application and enable the Recovery Wizard, and then select a formatted array of all auto-detected arrays.

Next, you will be prompted to select which scan mode will be used:

  • Full recovery mode, then a deep scan of the array will be performed.
  • Fast recovery mode, then scanning will pass over the surface in a short period of time.

The scan checks the current status of the RAID array, file system, and controller, as well as other important characteristics.

Then take advantage of the free file preview and you can be sure that your data will be recovered in the correct order and form.

Finally, buy a DiskInternals RAID Recovery license here and you will have access to your files and the ability to export selected files wherever you go.

Good luck!

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