The problem is that a disk converted to dynamic on another computer is detected in biose in the new system, but when trying to import via diskmgmt.msc, it is displayed as foreign and records an internal error in the system log: “The disk group does not have valid copies of the configuration (C10000B6 )".
If you select “Import foreign disks” from the menu, a warning is displayed that all data on the disk will be deleted. Because of this, Microsoft advises that you back up your data before converting the drive to basic, as it will be irretrievably lost.

Basic disk is a representation of a physical disk in a system, using partitions (volumes) and logical disks. Each partition of the basic disk corresponds to a specific area on the physical disk. Partitions of different hard drives cannot be combined into one; there is no possibility of mirroring or backing up the file table.

Dynamic disk is a set of volumes that has the ability to combine several physical disks into one partition, the ability to create RAID-5 volumes and fault-tolerant dynamic volumes.

Algorithm to convert a dynamic disk to a basic one without losing data: 1) Download and run the free program. The program does not require installation.
2) Select "Create a new log file" to record all disk activity
3) A list of drives will appear. Select the drive to convert and click "Proceed"
4) Select Intel platform
5) Click "Analyze" to analyze the file system on the disk. The disk structure will appear.
6) Click first "Backup" to save the previous copy, then "Proceed"
7) After that, select "Write" and enter "Y" to confirm the conversion of the dynamic disk to basic
8) After conversion, exit the program and restart your computer.

Good luck using these instructions!

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Question for you admin: I have a SATA hard drive, the Windows 7 operating system is installed, a hard drive, I took it off and took it to a friend, I needed to copy a large amount of information to his computer. Everything went well, but when I came home and connected everything back, my computer would not boot and gave an error. I returned again to my friend, connected the hard drive to his computer and in his operating system, in Disk Management, it was defined as Dynamic foreign disc

and it is no longer possible to enter it. We started looking for information on the Internet and found your article. There you described the same case, the only thing was that you didn’t have to work with the TestDisk program, everything is in English, and even on the command line and so on, I’m afraid that I’ll do something to my friend on the computer, then it will be a disaster. By the way, in your article there is a second method - a safe one, using Windows 7, but it won’t work for me, I’ll have to copy the information from my disk somewhere (and I have 450 GB of it) and then completely delete all my partitions, then convert to basic. Naturally, the Windows 7 I installed along with all the programs will disappear. What other way out is there?

Dynamic foreign disc

You can’t imagine, friends, the day before I received this letter, a friend came to me in the evening, covered in snow, holding a system unit under his arm and talking. Listen, save me, my son, you know, he’s in his first year at university, I experimented with something with friends, now the computer won’t boot, the screen is black with inscriptions. The son says, we’ll make dads, I say no, I have the Windows program there (my work), and my wife has accounting (invoices), in short, save me, I’ve come to you, here.
We turned on the system unit, when the system starts, there is a black screen with an error:
file:\windows\system32\winload.exe. status: 0xc000225.

• Not the worst Windows 7 boot error, it can be easily fixed using the 7 recovery environment. When loading Windows 7, immediately after turning on the computer, press F-8 and get into Troubleshooting, then select boot recovery and the recovery environment should fix the boot of Windows 7 (for details, see the article). In my case, the recovery environment was unavailable when I pressed the F-8 key, which means you need to use a Windows 7 installation disk or a Windows 7 recovery disk, which can be made directly in the system, you need to boot from either of them, they also contain a recovery environment, all the details in our articles.

We boot from and see System Recovery Options,

oddly enough, we see a message Startup Repair can't repair this computer,

and instead of loading Windows 7, the error came up again. I became very interested and had an idea that maybe there was something wrong with the file system and I needed to check it for errors. I connected my friend's hard drive to my computer. My operating system is also Windows 7, the utility it contains will immediately recognize a newly connected hard drive with errors or a faulty file system and upon boot will begin checking and correcting errors, consisting of several stages. After this check, the hard drive usually returns to normal and can be replaced, the operating system located on it should boot.

But to my surprise, there was no check, my Windows 7 just loaded and that’s it. Okay, so there are no errors, go to Disk Management. I was surprised to discover that my friend's hard drive was dynamic foreign disk and of course it doesn't open.

I installed Windows 7 for my friend and his disk was converted to Basic or Basic during installation, I remember that for sure. You can convert a Dynamic disk into a basic one not only in the TestDisk program (it’s just free), but also in the paid Acronis. I decided to boot from the Acronis Disk Director 11 boot disk (luckily my friend also has this program) and see what we have with the hard drive partitions. And here is ours dynamic foreign disc, by the way, in the Acronis Disk Director 11 program it is clearly visible that it is divided into several partitions; if we wish, we can even view the files located on it.

Let's right-click on the dynamic disk we need and select from the menu Convert to Basic,

Windows 7 booted successfully.

If you get an error at this point again:
file:\windows\system32\winload.exe. status: 0xc000225.
Use (as written at the beginning of the article) a recovery disk or a Windows 7 installation disk with a recovery environment, select there System Recovery Options-> Startup recovery. I'm sure this time it will be successful.

In Windows, connected hard drives are initialized as Basic Disks by default. Basic, or basic, disks are compatible with all versions of Windows. These are ordinary disks on which primary (primary) and logical partitions are created. The basic disk type is defined for most storage media included in users' computer devices.

But while they are more common, basic disks offer less functionality than other types of disks—dynamic, floppy, and configurable disks. What are dynamic disks, what are their capabilities, pros and cons, how partitions are created on such disks using Windows tools - we will consider these questions below.

1. About dynamic disks

Dynamic disks are a technology borrowed under license from Microsoft, it comes with Windows starting with version 2000, and is a software implementation of RAID arrays. The technology is not supported in editions of Windows Home.

Dynamic disk technology provides additional opportunities for allocating hard disk space to make it easier to work with data, ensure its safety, and also increase computer performance by combining the speed of different disks. Dynamic disks offer features that are not supported by basic type disks, such as:

• increasing the size of partitions using space on the entire disk, and not only if there is adjacent free space (unallocated space);
• support for partitions created from the volume of several hard drives;
• support for basic RAID configurations.

Among the advantages of this technology is a greater degree of reliability than using cheap RAID controllers. But only if we are talking about cheap RAID controllers with their disadvantages such as driver errors or the possibility of data loss. The technology included in Windows is naturally inferior to full-fledged, expensive RAID controllers. In terms of removing the load from the processor, in principle, any hardware RAID array will be more effective than one implemented using software. But expensive RAID controllers will perform their tasks using their own resources, and will offer wider functionality and provide fault tolerance.

Dynamic disks also have other disadvantages. They cannot be accessed from devices based on earlier versions of the system (starting from Windows XP Home and below). Only one Windows system can be installed on dynamic disks; another Windows system cannot exist on another partition.

During the process of reinstalling Windows (its modern versions 7, 8.1 and 10), only a single partition of the dynamic disk will be available for formatting and selection as the system one - the partition on which Windows was previously located before the reinstallation.

The process of reinstalling Windows on a dynamic disk may take a long time. Often, because a new system sees a dynamic disk as an error disk, it will run the Chkdsk service to scan and fix errors. Intrusive Chkdsk activity is also encountered by users who have connected to their computer a dynamic disk taken from another computer. To be sure to avoid problems with reinstalling Windows on a dynamic disk, you can convert it to a basic one before this process. And after reinstalling the system, perform the reverse process of converting the disk to dynamic.

Partitions on dynamic disks, as well as on basic ones, are configured by default to be formatted in the NTFS file system when created. The maximum partition size on dynamic MBR disks is 2 TB, and on dynamic GPT disks – 18 TB. For dynamic disks, there are no concepts of primary and logical partitions, as there are for basic type disks. Dynamic disk partitions have their own specifics, and they are not related to restrictions on the number of partitions created. As for the number of possible partitions, there are no restrictions for dynamic type disks.

2. Convert basic disks to dynamic disks

You can convert disks from basic to dynamic using Windows itself, using the diskmgmt.msc (disk management) utility. In all versions of Windows, it is called by pressing the Win + R keys (launching the “Run” window) and entering:

Any of your computer's disks can be converted from basic to dynamic. This transformation is carried out in two ways. The first method is manual conversion, when the context menu is called up on the disk and the “Convert to dynamic disk” option is enabled.

Having chosen this method, you then need to either leave only the current drive, or check the boxes on all connected drives for batch conversion.

We confirm the decision in a window with a notification that other Windows on other disk partitions will no longer be able to start.

That's it, after these steps the disk will turn into dynamic.

Another way to convert a disk to dynamic is to run dynamic disk operations. And these are also provided on the basic disk, as long as it has unallocated space. In this case, the operated disk is assigned a dynamic type by default.

With the reverse process – – the situation is more complicated. Thus, dynamic disks with unallocated space can be easily converted into basic disks: to do this, you need to call the context menu on the disk and use the “Convert to basic disk” option.

In addition, when you delete partitions on a dynamic disk, it is automatically converted to a basic one. But if a dynamic disk already has a partition structure, you won’t be able to turn it into a basic disk using Windows. But such an opportunity is available in Acronis Disk Director, a functional program for working with disk space. The program can convert dynamic disks to basic ones without losing files stored on such disks.

3. Creating partitions on dynamic disks using Windows

What are the specifics of partitions (volumes) formed on dynamic disks? How are dynamic disk volumes created?

3.1. Simple Volume

A simple dynamic disk volume is a regular partition, just like the one created on a basic disk. It can be created from free space on only one media. To create it on the free space of a dynamic disk, you need to call the context menu, then select “Create a simple volume” and go through the wizard steps.

3.2. Split Volume

A spanned volume is created from the capacity of several hard drives. Creating compound volumes is used when it is necessary to create one large partition from several hard drives, for example, from old HDDs with a capacity of 80 GB. The maximum number of hard drives from which a spanned volume can be formed is 32. When moving data to a spanned volume, files are written sequentially - first to one hard drive, then to another, then to a third, etc. A spanned volume is vulnerable: if one hard drive fails, user files may be lost even though the other drives are functional. In a spanned volume, everything is interconnected, and without one of the links in the chain - one of the disks - the partition will simply cease to exist.

To create a spanned volume, you need to call up the context menu on the free space of one of the disks and click “Create spanned volume”.

All basic partition parameters are set in the disk selection window. In the “Available” column, select the available hard drives and transfer them to the “Selected” column using the “Add” button. Below, for any of the added disks, we can set a specific size allocated for the spanned volume if not all the space on the disk is allocated.

And when finished, click “Done”. After which we will see the created spanned volume located on several disks.

3.3. Striped volume

A striped volume (RAID 0 configuration) is created from two or more hard drives and is filled with data not sequentially, as provided by the arrangement of a spanned volume, but in parallel. Data is simultaneously written to all disks and also read from all disks simultaneously, which allows you to increase the speed of operations. True, the speed of data access will in any case be determined by the capabilities of the slower disk. A striped volume, like a composite volume, is not fault-tolerant. If one of the disks fails, files on the striped volume cannot be accessed.

A striped volume is created in the context menu on free disk space, the option to select is, respectively, “Create a striped volume.”

In the disk selection window, use the “Add” button to add another disk from among the available ones to the existing disk. The amount of space allocated by the disks must be the same. The size of the striped volume will be automatically determined by the amount of available free space on one of the disks.

The next steps to create a striped volume are the same as those described for a spanned volume.

3.4. Mirror Volume

A mirrored volume (RAID 1 configuration) is the ability to create a fault-tolerant array of two disks using Windows. This configuration is intended purely to ensure the safety of information; it does not add performance to the computer due to the total speed of reading and writing disks. Data is written to one disk and immediately duplicated to the second disk. And if one of the disks fails, all accumulated user information will remain safe and sound on the second disk.

To create a mirror volume, call up the context menu on free space and select “Create mirror volume.”

In the disk selection window, use the “Add” button to attach another disk to one of the disks. The size of the mirrored volume will be automatically determined by the free space of one of the disks. If necessary, the volume size can be set manually.

3.5. RAID-5 volume

A RAID-5 volume is, as the name suggests, a software implementation of the RAID 5 configuration. Creating such a volume is possible in server editions of Windows.

Have a great day!

It is enough to put the offline disk into online mode. Recovery

mirrored volume, you need to bring the offline disk online and then

activate it.

For information about bringing an offline or missing drive back online, see

The following Microsoft Knowledge Base article:

http://technet.microsoft.com/ru-ru/library/cc732026.aspx.

6.8 simple disk status from offline to

operational

Applicable for Windows Vista SP1, Windows 7, Windows 8,

Windows 8.1 and is used in the current disk structure (page 22).

Offline status means that the dynamic disk is read-only.

To provide full access to a drive that was previously taken offline, you can

you will need to change its status from offline to online.

How to switch a disk to online mode

1. Right-click the offline drive and select the menu option Change

operational status.

2. In the window that appears, click the button OK to confirm the operation.

If the dynamic disk is offline and the disk name is displayed Absent,

then the operating system cannot detect or identify the disk. Perhaps the data

on the drive are damaged, the drive is disconnected, or the power to the drive is turned off. Return Details

Offline and missing disk brought online, see the following knowledge base article

Microsoft Corporation: http://technet.microsoft.com/ru-ru/library/cc732026.aspx.

6.9 Changing foreign disks

On a machine with two or more operating systems, the disk view and

volumes depends on which operating system is currently running.

Typically, all dynamic disks created on the same machine and operating system

system are part of the same disk group. When transferring to another machine or adding to

another operating system on the same machine, the disk group is considered stranger. A group of strangers

disk cannot be used until it is imported into an existing disk

group. A group of foreign disks is imported “one to one” (preserves the original name), if on

The machine does not have a disk group.

To access data on foreign disks, these disks must be added to the system

machine configuration using operation Importing foreign disks.

All dynamic disks from the foreign disk group are imported at the same time; import

only one dynamic disk is not possible.

How to import someone else's disks

1. Right-click one of the foreign drives and select Import of strangers

disks.
In the window that appears, a list of all foreign dynamic devices added to the machine will appear.

disks, and will also provide information about the volumes that will be imported.

Information about volume statuses will allow you to determine whether all required disks are from the disk

Copyright © Acronis International GmbH, 2002-2014

"How to convert a dynamic disk to a basic one"

It happens that when you connect a new hard drive or when installing another Windows on another partition or on another, dynamic foreign disks appear in the original OS. What does this mean?!

Here is the information from Windows Help.

“Dynamic disk status is Foreign.

Cause:
The Foreign status occurs when you move a dynamic disk to the local computer from a computer that is running Windows 2000 or Windows XP Professional. A drive with a Foreign status displays a warning icon.

In some cases, a drive that was connected to the system may show a status of Foreign. Dynamic disk configuration data is stored on all dynamic disks, so information about disks owned by the system is lost if all dynamic disks fail.

Solution:
Add the drive to your computer's system configuration to access the data on the drive. To add a drive to your computer's system configuration, import a foreign drive by right-clicking the drive and selecting Import Foreign Drives. All volumes existing on the foreign disk will become visible and accessible after importing it.”

This situation can also be viewed from a slightly different perspective.
If this happens, then a logical question always arises: “How to convert a dynamic disk to a basic one without losing data.”

A disk converted to dynamic on another computer is detected in the new system, but when trying to import via "disk management" appears as foreign and logs the internal error "The disk group does not have valid copies of the configuration (C10000B6)" in the system log.
If you select “Import foreign disks” in the menu, a warning is displayed that all data on the disk will be deleted. Because of this, Microsoft advises that you back up your data before converting the drive to basic, as it will be irretrievably lost.

Basic disk is a representation of a physical disk in a system, using partitions (volumes) and logical drives. Each partition of the basic disk corresponds to a specific area on the physical disk. Partitions of different hard drives cannot be combined into one; there is no possibility of mirroring or backing up the file table.

Dynamic disk is a set of volumes that has the ability to combine several physical disks into one partition, the ability to create RAID-5 volumes and fault-tolerant dynamic volumes.

Algorithm to convert a dynamic disk to a basic one without losing data:
1) Download and run the free TestDisk program. The program does not require installation.
2) Select “Create a new log file” to record all disk activity
3) A list of drives will appear. Select the drive to convert and click "Proceed"
4) Select a platform.
5) Click “Analyze” to analyze the file system on the disk. The disk structure will appear.
6) Click first “Backup” to save the previous copy, then “Proceed”
7) After that, select “Write” and enter “Y” to confirm the conversion of the dynamic disk to basic
8) After conversion, exit the program and restart your computer.