RAID Recovery™ Recovers all types of corrupted RAID arrays
RAID Recovery™
Recovers all types of corrupted RAID arrays

RAID Consistency Check

Here you will find out:

  • what is RAID consistency check
  • how often do you need to use RAID consistency check
  • how DiskInternals can help you

Are you ready? Let's read!

RAID consistency check

Сonsistency check looks at the correctness of data in logical drives; namely, it determines the presence of parity or blocking errors. This is a feature of some hardware RAID controller boards. This default check occurs once a week; if desired, this range can be changed. As soon as an error is found, this process will automatically be configured to overwrite the already valid data.

Naturally, for a consistency check, a certain amount of storage must be allocated. This parameter can also be changed at your discretion. Usually, it is initially 30 percent of the total volume.

Interaction of consistency check and performance

Naturally, a consistency check takes some time. If you have an array with many disks, it will look something like this: once a week, a RAID consistency check will automatically take place, which will take almost the whole day. At the same time, performance will greatly decrease and your system will function at a fraction of its usual level. Users will unlikely care for this aspect.

How often do you need to use RAID consistency check?

Checking of the values performs by StorCLI command.

During normal operation of the array, when you have no reason to suspect some kind of error, conducting a RAID consistency check once a week is not worth it. This is an extra procedure in this case and will only cause you inconvenience.

Here's the best way to do it:

  • If you suspect some kind of malfunction, schedule the test on a day when the array will be needed to a lesser extent; for example, on the weekend. Then the check will not hurt anyone and you will find out what is wrong in the array.
  • If there is no concern about malfunction and the array is in excellent shape, it is enough to run the scan a couple of times a year. This will be enough to control the situation and not interfere with the workflow.

Data security on RAID arrays

DiskInternals RAID Recovery will become your savior if you lose data from an array.

No matter the reason for data loss (logical or physical), the application works with all known arrays: RAID 5, 50, 5EE, 5R, RAID 6, RAID 60 and JBOD, RAID 0, RAID 1, 0 + 1, 1 + 0, 1E, and RAID 4. This program works on all versions of Windows, including XP, 10, and Windows Server 2003-2019.

DiskInternals RAID Recovery supports both manual and fully automatic recovery modes. The latter is available thanks to the Recovery Wizard, which helps you through each step of the process.

Download the trial version of the application and open it.

Select which array is needed for recovery.

The Recovery Wizard will automatically determine important criteria: array type, RAID controller type, lane size, and disk order.

Next, select the scanning mode: full or fast.

After you see the results on your screen, select the free Preview function and check for the integrity of the files.

To save your data, buy a license here, and complete the process.

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