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Can Bitlocker be used to encrypt mirrored disks in a RAID 1 volume?

Q: Can Bitlocker be used to encrypt mirrored disks in a RAID 1 volume?

Can Bitlocker be used to encrypt mirrored disks in a RAID 1 volume?

If so, What happens when one drive fails?
Will I be able to read the other drive?

On another note, would I be able to take that 2nd drive from this computer and put it into another computer and get the files? (assuming I have the password)

Thanks for any help on this issue.

Preferred Solution: Can Bitlocker be used to encrypt mirrored disks in a RAID 1 volume?

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A: Can Bitlocker be used to encrypt mirrored disks in a RAID 1 volume?

Joules, Unfortunately that thread is what I've been posting at since July and unfortunately no one has come up with a good answer.

Was hoping someone here would.


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I have Home Windows 7 premium which means I cannot Encrypt, create dynamic disks, or mirror (RAID 1) my hard drives, so if this is true and I want to use any of these I need to go back to my Vista Ultimate?

A:Encrypt, dynamic disks, & mirror (RAID 1)

You don't HAVE to go back to Vista Ultimate, you can get an upgrade to Professional as an option.

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First time posting :blush:,

Situation: I have two hard drives : main drive: Seagate 500GB w/ windows xp and second drive: WD 1TB blank.

Without backing up the main drive (ops...), i went ahead and enabled RAID 0 on both drives and created a RAID volume (128KB strip / Size: 1TB (931.5GB)).
NOTE: the RAID volume size is only showing the exact space of the 1TB, excluding the 500GB drive.
After realizing that I needed to create a backup image of my main drive to use RAID with an existing drive, I'm left with the "Operating System Not Found" message.

Question: If I Delete RAID Volume (which is based on the size from the blank 1TB drive), will both drives become available as non-RAID disks and keep the original data on the 500GB main drive and be able to run windows again?

I'm using software RAID through Intel Matrix Storage Manager option ROM v5.6.2

I understood that "Resetting the drives to Non-Raid" will cause all data on the disk to be lost, so this isn't the approach that I'll be taking til I find a solution to backup my data.
However, from reading the "Delete RAID Volume" option, it listed Deleting a volume will destroy the volume data on the drive(s) and cause any member disks to become available as non-RAID disks, so knowing that the RAID Volume is blank, then maybe trying this will be the answer.

When using the Microsoft Recovery Console in (RAID mode attached w/ both drives) logically there isn't ... Read more

A:RAID issue - deleting RAID volume to restore non-RAID disks

sadly, there's no way to do what you want without an existing backup.

Look at it this way;
A disk has a container ~ the partition.
The partition as a structure ~ the filesystem (eg NTFS, FAT32, RAID).
We put our data into the structure.

When we create backups, we are getting only the data itself (unless you use an image program like Ghost or Acronis where you get all three).

Deleting the RAID will give back the two independent HDs, but also breaks the structure so that the data becomes in accessible.

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Hello all.

I have been researching this to no avail.

Here is the TL DR;

Old computer died which had two 400GB sata drives that houses a lot of family pictures and MP3s. The drives were dynamic and a 745 GB volume spanned across the drives. I now know these drives are also RAID-0, but I wanted to see if I could see any data on them and I had a USB sata dock. Learned the hard lesson that a dynamic disk wont be visible via USB no matter what (at the time I didnt know it was also a RAID-0) . I put the drive (which just happened to be the first drive) in my dock and somehow the drive got corrupted and became a basic disk. Pop up came asking if I wanted to format which of course I didn't. Odd thing is that the partition is intact (745GB) which causes the issue of not allowing me to convert it back to dynamic. It would seem if somehow I could just get it back to dynamic everything would work again or would be a heck of a lot easier to repair.

The issue is I cannot convert directly back to dynamic because it appears I don't have enough "free space" due to the partition reporting a 745GB volume which is correct.

I have tried multiple pieces of software mostly from Acronis, EASEUS, and Runtime (Disk Director, GetDataBack NTFS, Raid Recovery for Windows, and Data Recovery Wizard). Problem is these products don't fully solve the problem and I cannot reliably get the data off. The one product Runtime does have is raid reconstructor - but I am not ready to spend ... Read more

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I have had a rather large problem over the last couple of days. It started earlier in the week, when one drive stopped working. Not a big problem, I've had drives fail before. 4 disks, so i can handle one less for a little while, i though. Not so though, while still waiting for my new drive, using my computer like usual (with less load on unit D) i suddenly start getting write-errors to D:, and the Intel Matrix Storage Console lists it as Stopped Working instead of Degraded. Nothing changed except for the status of the Volume, all the disks read the same as before, fully functional.

I have very little experience with these sort of matters. This is the first time I've lost a drive where i might lose data as well, and i have pretty much no idea where to go from here. I've tried to replace the faulty disk with another 500GB drive, but the RAID-setup in BIOS just tells me there isn't enough space, and the Console in Windows places the new drive as a Non-RAID drive. I can mark it as reserve, but that seems to be all i can do with it.

I'm not, hopefully, asking for miracles. I have just two things that i really need to retrieve from the Volume, my Firefox sessions (saved in a separate folder at the root of the drive), and my Thunderbird mail, (stored in their standard location, as my whole Windows-profile is on that drive). Everything else i can get again. (Well, not really, i have stuff stored up from 8-10 years back, from people who has withdrawn from t... Read more

A:RAID 5 - Disks are working, but the Volume listed as Stopped Working

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I am facing issue with Bitlocker encryption getting error bitlocker could not encrypt one or more drives on this computer so please help me to fix this issue.

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I have been working on a pc with 2 x 320GB SATA drives in a mirrored RAID configuration, the mobo is an ASUS M4A79XTD EVO. I was working inside the case, when I had finished I started up the pc but received a critical message about the RAID missing a drive, when I looked inside the case I noticed that I must have knocked one of the power supplies to one drive off, I reconnected it but on boot up I have the same message. The BIOS is detecting all drives and once in windows 7 all drives are detected but as 2 seperate drives.
How do I get these drives back to the original RAID configuration?
I have checked through the RAID software but I can't find anything allowing me to repair the RAID.

A:Mirrored RAID issue

Go to your BIOS and re-configure it, check your manual formore info.

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So, which will actually give me better performance


you can look at my signature to see my specs....

A:striped or mirrored raid ???

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Hello everyone!!

I have a question about a failed mirrored RAID Array. Thats a RAID 1 right?? One of the hard drives failed and was causing the computer to freeze up. I pulled the bad hard drive and the computer boots fine and we were able to get to the desktop to see what needed backing up.

My question revolves around rebuilding this array. Is it doing any harm by only running off the one drive for now? We have a new identical drive coming Friday. Also, do I just pop the new drive on or do I need to go into the RAID utility and rebuild it?

A:Mirrored RAID Question

Thats a RAID 1 right??Click to expand...


Is it doing any harm by only running off the one drive for now? Click to expand...

No harm but there is risk, what if that hard drive fails.

do I just pop the new drive on or do I need to go into the RAID utility and rebuild it?
Click to expand...

Most of the time when the bios posts and then the raid bios posts, it should automatically rebuild before windows loads if it detects a new drive is installed. Some have a keystroke you use when the raid bios posts, use this to enter the raid utility to rebuild, if it does not do it automatically. Do not interrupt the process, depending on how much data there is to mirror, how long it will take, be patient.

Depending on the raid chipset you have, most of them have utilities in Windows to rebuild the array if for some reason it cannot be done during the post screen, you may have to install the utility if it is not already.
What make and model of PC is it?

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My setup: W7 Ultimate x64 on ThinkPad T510. 1HD, two partitions (C and D).

I just reinstalled my system and encrypted C; however, there is absolutely no option to encrypt D. I've tried accessing the drive from admin account and still nothing. When I open BitLocker management, it only lists partition C and not D.

Here is some additional information that might or might not matter: I tried to restore my W7 from an Acronis image and it was unsuccessful. Tried it twice and during booting POST showed two different W7s installed, which was incorrect. When I finally installed W7 from scratch, the extra W7s were still appearing before startup and I had to use EasyBCD to remove them. Now when I am trying to backup partition C, Acronis says that my System Reserved Partition (SRP) is on partition D. My hunch is that Acronis messed up my drive D when I was trying to restore my C partition. Then when I did a fresh W7 install, the SRP incorrectly ended up in D and since SRP cannot be encrypted, that means that my entire drive D can?t be encrypted either.
Can that really be the case? If so, what is the quickest solution? I am dreading about going through formatting my 750GB HD and installing W7 and encrypting it yet again. I read somewhere that you can use software like Acronis Disk Manager to move the SRP to drive C, but I am not sure how this will work because when I open the native winodws Disk Management, I don?t see SRP there. So I?m stuck and don?t want to format my HD if what I ... Read more

A:Can't Encrypt Additional Partition with BitLocker

Hello Excelsius.

Typically, Windows 7 will create a 100 MB partition on the primary disk and will not be given a letter. This may not be large enough for Acronis Image, so you might want to make it larger and give it a letter prior to setting up Acronis. The issue is the reserved partition Window’s creates is at the beginning of the primary disk.
If you don’t want to re-format and manually create the partition on your primary disk you should be able to create the system reserved partition at the end of the disk, assign it a letter, manually select it for Acronis (if you can) then remove the drive letter. You will have to make sure to mark this reserved partition as active.
Changing the active boot partition will stop windows from booting up until you reform a boot repair in windows recovery environment from the installation disk

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Hello to everyone,

I am new here and "fresh" with BitLocker encryption. I need to encrpyt OS drive of laptop with Windows 8.1 and TPM chip. I have read few articles about encryption of OS drives with BitLocker ( with TPM / without TPM ) but never got a direct answer to my questions. So ... I want to ask:

1. Is it possible to encrypt the drive without using the TPM in case that there is TPM chip in the laptop because from what I have read BitLocker work with TPM by default but I don't want to use it. I have had already encrypt other laptops without TPM chips by setting up the group policies ( Computer Configuration \ Administrative Templates \ Windows Components \ Bit Locker Drive Encryption \ Operating System Drives and double click on Require additional authentication at startup ) and ... is it possible something like this to be made in this case ( when the laptop have TPM in it ).
What I want is the user to be asked for password on startup, recovery key to be saved to a file on external device( not to use usb flash drive as a key ) and to be possible simply to change my HDD in the future without need to manage TPM.

If this is not possible ... here is my second question:
2. Can I setup encryption with TPM like that:
- user to be asked for PASSWORD on startup
- recovery key to be saved to a file ( I don't want every time to use usb flash drive with recovery on it to unlock the drive ... what I want is just user to be asked for a password and... Read more

A:BitLocker- encrypt OS drive without TPM, if TPM is present

Good morning or afternoon Stilcho and welcome to Windows Eight Forums:
BitLocker works for me as you described without TPM enabled. I think you can even set it to 'Auto-Unlock' if you're certain your PC is not accessed by anyone else but you.
I am not well that versed when it comes to TPM/BitLocker issues but there is many helpful members here that are more than willing to help you further. Be patient and check back often.

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Please help!
I have a 64-bit Windows 7 Professional O/S.
I've used external HDDs for months now, but today when I plug any external/portable HDD/SDD in it prompts me "Before you can save files on this drive, you need to encrypt it using BitLocker"...!!!
See attached screen shot.

I can open the drive, but I cannot do a thing with it. This is causing me all kinds of grief.

I didn't even know I had BitLocker on my laptop, as it is Windows 7 Pro. I don't want it.

There is no BitLocker option when I write-click my drive. There is no BitLocker To Go installed etc...

Can someone help me to write to my drives and remove BitLocker if needed??

Kind Regards,

A:Before you can save files, you need to encrypt with BitLocker

Hi and welcome to SevenForums,
BitLocker Drive Encryption - Windows 7 Drive - Turn On or Off with no TPM

BitLocker Drive Encryption - BitLocker To Go - Turn On or Off

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I was able to use bitlocker on the HDD, and TPM appears available for other partitions on the SSD, but it won't encrypt the C drive on the SSD

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I have one OCZ 30GB SSD that I have Windows XP Pro installed on. I am looking to create a mirrored RAID array with two 320GB drives for data storage.

I have learned that there are three main steps to setting up RAID: 1) Enable RAID in the BIOS, 2) create the RAID array in the BIOS and 3) installing the drivers (which i have been told requires me to reinstall the OS)

Is it true that I will have to completely reinstall my OS (which i already have all my programs installed into) EVEN IF I don't want the OS installed on the RAID drives?

It just seems very illogical that I would have to reinstall my OS to install drivers for a couple drives on which the OS will NOT be installed.


A:Setting up mirrored RAID AFTER OS installation

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I've read the standard blurb about not offering help running Combofix and have searched the forums for help. I am also familiar with generating the logs and running other info gathering utilities beforehand. The particular machine has the OS, XP Pro, loaded on two mirrored raid drives connected to a Highpoint raid card. After Combofix starts its thing a BSOD is generated with a message about the RAID driver. I have found one mention on the net about Combofix requesting the RAID drivers to be installed via floppy, like in a WIndows install. Having tried to run Combofix several times with this setup I have not seen any driver request and get the BSOD. Any help would be appreciated!

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I'm a novice with RAIDs. I was testing a mirrored RAID to make sure both drives would boot on their own--which they did (hit ESC). When I connected both drives back, however, the computer can't see the second drive. Even after booting into Windows, it d/n see the drive. I can still boot off the second drive, but it d/n appear anywhere else. This tells me the drive is physically good. This makes no sense. What gives? This is a Promise Tech RAID.

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 Hey guys, Did anyone come across issues where Bitlocker won't work on X1 - error message says "The BitLocker encryption key cannot be obtained. Verify that the Trusted Platform Module (TPM) is enabled and ownership has been taken. If this computer does not have a TPM, verify that the USB drive is inserted and available" Lenovo X1 Carbon 5th GenHDD/SSD/NVMe: SAMSUNG MZVLW512HMJP-000L7TPM 2.0: IFX ver.7.62.3126.0TPM status: ready for use with reduced functionality. Information flag: 0x80000 Out of 4 laptops (all the same 5th Gen and Type: 20HR) only 1 failed encryption. All devices imaged using same process, all drivers are up to date. Tried to rebuild few times, cleared TPM (but cannot take ownership) - no joy. Andrew 

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I have Windows 10 Pro on my main laptop, but only Home on my secondary laptop. I was wondering if it's possible to encrypt the secondary laptop's boot drive. I imagine it's not possible, but I thought I'd ask anyway.

Initially I thought to take the SSD out of the secondary laptop, and place it in a SSD to USB converter. But then I was thinking that if I encrypted it that way, it'd be acting like a USB instead of an internal drive. I could be mistaken; let me know if that is indeed the way to do it.

Otherwise, let me know how impossible it is without purchasing Pro on the secondary laptop.

A:Use BitLocker to encrypt another laptop's boot drive?

Doubt that'll work, pretty sure you wouldn't be able to unlock it to boot it.

Use VeraCrypt to encrypt the drive instead, it's free: https://veracrypt.codeplex.com/

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I am using an Asus P4P800Deluxe Motherboard. Windows XP Prof.
I have set up the Mirroring and it shows it is working when I boot, the post shows two drives in the array. Obviously I can view the standard "C" drive in normal OS operation but I would like to view and check the files in the mirrored unit. How can I view the mirrored hard drive files? Is there a utility that will allow me to do that?
Thanks in advance for your help.

A:RAID - Mirroring - How can I view Mirrored Files?

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For backup purposes, I want to take two 1 TB hard drives, make them dynamic disks, then mirror them using the disk manager in Win7. After I do this, of course, it looks like one drive to the OS, not two. So I'm writing my data to them, storing music and movies and whatever on them so now there is an identical copy of the data on both drives. Now what if one drive fails or I just yank one drive out of the machine. When I reboot the computer, will Windows just see the one drive that's still working, and just make the data available on it like nothing ever happened? Perhaps I would simply need to convert the disk back into a "normal disk" with Disk Manager?

A:What happens to the data on a mirrored volume when one drive goes bad?

Offhand, I wonder why you are using such a method.

You may have a good reason, I don't know.

Normal practice would be to write to drive A and then separately back A up to B, without dynamic disks.

If I understand you correctly, you are writing to A and B simultaneously?

What's the advantage to that?

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I have recently encrypted my system (C:\) drive, on my W7 x64 Enterprise box. This machine is not associated with a domain. I would like to encrypt my remaining local data drives, as well. Unfortunately, when I attempt to do so I receive the following error: The specified domain does not exist or could not be contacted.

I first thought it was trying to send recovery keys to a domain controller that was not there. I have tried disabling and not configuring all relevant DS recovery options found within Local Computer Policy>Admin Templates>Win Components>Bitlocker. Reversing MS's instructions on how to enable AD key recovery and following the few similar threads have not yielded worthwhile results. I have forced gpupdate and restarted after every modification, as well. None of this has resolved the error.

I would greatly appreciate any help to resolve this annoying issue.

A:Bitlocker Will Not Encrypt - Domain Doesn't Exist Error

Do you have a I.T. Department you could confide with?

From post #1

I have recently encrypted my system (C:\) drive, on my Windows 7 x64 Enterprise box.

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Hi All,
I am experiencing a strange issue which I hope is something very simple. 
I have an SCCM task sequence which builds a Windows 7 x64 workgroup based laptop that is destined to be used in a KIOSK like fashion, i.e. running one app. with a specific purpose. The Task Sequence Enables, Activates and Takes Ownership of the TPM. After
that Bitlocker is enabled on Drive C: and then Drive D:. A Recovery Password, the TPM and a PIN are added as Key protectors.
The partition scheme is:

Boot partition (100MB) - standardSystem Partition (60GB)Data Partition (Rest of drive)
The issue I have is that the Enable Bitlocker (C:\) step is failing. When I check the state of the TPM, it is indeed enabled, activated and ownership has been taken. The command that is run during the failing step is "manage-bde c: -on -rp [valid password
When I run this command the error is:
"ERROR: An error occurred (code: 0x8007001f)
A device attached to the system is not functioning"
If I execute the next task sequence step ... "manage-bde d: -on -rp [valid password here]." the command runs as expected and enables Bitlocker as expected. The D:\ drive fully encrypts and after a reboot locks (also as expected given the OS dive
is not protected). It is only the OS partition that I cannot encrypt. I get the same experience after a reboot, if I use the Bitlocker Control Panel applet, even if I clear and re-initialise the TPM.
I have been building these d... Read more

A:Bitlocker issue - Unable to encrypt the OS drive. All other drives are OK.

Hi All,
I have determined the differences in hotfixes between our previous base OS image and the current base OS image. Hotfix KB2799926 is the culprit. After removing this hotfix I can enable Bitlocker on the OS drive. If I disable bitlocker, put the hotfix back
on and reboot I get the same error as reported above. Interestingly enough KB2799926 relates to Bitlocker-to-go.
I am logging a call with premiere support and will hopefully post the results here.
Nathan SuttonNSutton

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Hey everyone, I'm new here so pardon any rookie mistakes. I've searched the forum carefully, but couldn't find the answer.

Situation: RAID with two 4tb hdds, one hdd crashed just after 6 months of working. Replaced with a new one today.

Question: how to check if the data is being transfered from one hdd to another right now? Any software that can show process of mirroring at real time?

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Hi, running XP prof. I lost one of the mirrored Raid 1 drives last week and now have another one to replace it. My question is, how do i go about this - is this something I can do with minimal experience? And will I lose any of my current programs/data when I add this 2nd drive. I also purchased an external drive to back up to before I start messing with this. Any help would be appreciated. Thank you!

A:Solved: Raid 1 mirrored disk degraded - how to replace

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I am trying to encrypt my drive using BitLocker. I am saving the key to a USB drive, only encrypting used data, and using new encryption mode. I then run system check before encrypting the drive, and when I restart my computer, I get the following message: "BitLocker could not be enabled. The BitLocker encryption key cannot be obtained from the Trusted Platform Module (TPM). C: was not encrypted."I've done some troubleshooting elsewhere, but can't find any info to help me. I'm running Windows 10 Pro on a Lenovo T440s machine. My TPM is initialized, owned and running, so I'm not sure what to do there. Here are images of my TPM from Device Manager.I'm at a loss, and I definitely need to be able to encrypt my drive. Does anyone have any information? If you need more information about my system, BIOS, etc., I'll be happy to oblige. Thank you.  

A:Unable to encrypt drive using BitLocker on T440s running Windows 10

My guess is that you deployed Win10 in legacy mode, instead of UEFI mode.  You can confirm this in msinfo32.exe, look for "BIOS Mode" in the right-hand panel.  It needs to be "UEFI" if you want to use TPM 2.0.  

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Hello! Ultrabook:Lenovo ThinkPad Yoga S1. Machine Type Model 20C0S2HL00Screen: 12.5" IPS touchscreen 1920 x 1080 ( Full HD )CPU: Intel Core i5-4210U 1.7 GHz (Processor Graphics - Intel HD Graphics 4400)RAM: 4GBDisk: SSD (Default SSD SandDisk 128GB was changed to SSD SanDisk X400 256 GB)BIOS version (UEFI BIOS GQET52WW (1.32) UEFI BIOS Date (Year-Month-Day) 2017-05-04BIOS Options: Main: UEFI Secure Boot: Off. Startup: UEFI/Legacy Boot: Both; UEFI/Legacy Boot Priority: Legacy First; CSM Support: Yes; Boot Mode: Quick; Option key Display: Enabled; Boot device List F12 Options: Enabled; Boot Order Lock: Disabled. Security: Secure Boot: Disabled; Platform Mode: User Mode; Secure Boot Mode: Standard Mode.Operating System: Windows 8.1 Pro 64-bitUltrabook have TPM module. I want encrypt whole drive. My steps to encrypt whole drive using BitLocker:First I choose Operating System drive and click at "Turn On BitLocker". Choose how you want to unlock your drive during startup: Enter a PIN (recommended). How do you want to back up your recovery key: Save to a USB flash drive.Choose how much of your drive to encrypt: Encrypt entire drive (slower but best for PCs and drives already in use).I checked the Run BitLocker system check option, and clicked Continue.Then I restarted ultrabook.BitLocker prompt to enter encryption password to unlock the drive. I entered the correct password (also I pressed Insert key... Read more

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Hello! Ultrabook:Lenovo ThinkPad Yoga S1. Machine Type Model 20C0S2HL00Screen: 12.5" IPS touchscreen 1920 x 1080 ( Full HD )CPU: Intel Core i5-4210U 1.7 GHz (Processor Graphics - Intel HD Graphics 4400)RAM: 4GBDisk: SSD (Default SSD SandDisk 128GB was changed to SSD SanDisk X400 256 GB)BIOS version (UEFI BIOS GQET52WW (1.32) UEFI BIOS Date (Year-Month-Day) 2017-05-04BIOS Options: Main: UEFI Secure Boot: Off. Startup: UEFI/Legacy Boot: Both; UEFI/Legacy Boot Priority: Legacy First; CSM Support: Yes; Boot Mode: Quick; Option key Display: Enabled; Boot device List F12 Options: Enabled; Boot Order Lock: Disabled. Security: Secure Boot: Disabled; Platform Mode: User Mode; Secure Boot Mode: Standard Mode.Operating System: Windows 8.1 Pro 64-bitUltrabook have TPM module. I want encrypt whole drive. My steps to encrypt whole drive using BitLocker:First I choose Operating System drive and click at "Turn On BitLocker". Choose how you want to unlock your drive during startup: Enter a PIN (recommended). How do you want to back up your recovery key: Save to a USB flash drive.Choose how much of your drive to encrypt: Encrypt entire drive (slower but best for PCs and drives already in use).I checked the Run BitLocker system check option, and clicked Continue.Then I restarted ultrabook.BitLocker prompt to enter encryption password to unlock the drive. I entered the correct password (also I pressed Insert key... Read more

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I'm hoping someone here can help. I'm very new to Raid, so you'll have to excuse my ignorance here. I'm using an HP pavilion p6210Y with 2x 2TB, WD Caviar Green's trying to set up a raid 1 array. I've reached the Nvidia raid array setup utility, and it appears I have successfully loaded the raid drivers.
After doing this, I inserted my Windows 7 x64 home premium install disc, and it sat on "Detecting storage devices...". After a few minutes of this, I was presented with an Error stating "No disks reserved for raid use, raid disabled." Then shortly after, switches to a message stating: "Reboot and select proper boot device or insert boot media in selected boot device and press a key."
I'm now unable to reach the Nvidia Raid setup, and unable to load the windows disc.

I'm certain the CD drive is good, as it works fine in another computer.
Mediashield ROM BIOS RPT
Copyright (C) 2009 NVIDIA Corp.
If someone would know what to do from here, please share your knowledge.

A:no disks reserved for raid use Raid disabled - Raid 1

Do you have Windows on the drive now? How did you load the drivers? Drivers won't function without an operating system, so I'm a little confused about exactly what you did.

How did you run the setup utility? Does your machine support hardware RAID or are you using software RAID? Are there RAID settings in BIOS?

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Hey guys!

So for the past few weeks, my pc has been rebooting and an unable to start at some point.

It started with a chkscn where it started replacing invalid security id to default id. After it is done, I got the black screen with cursor. Even after putting in a bootable USB windows system it didn't help as I was stil stuck with the black screen.
I created a thread on this previously:-

So since it didn't work, I decided to install a new window system in a new harddisk.

After doing so, I try to access the older mirrored system harddisk as an internal harddisk and it didn't allowed me.

The window pop out "F drive is unaccessible". Even after I went to the security tab to change the ownership. I was still unable to access it.

But when I went to the disk management my previous harddisk is shown but just no accessible.

I'm not sure if the mirrored raid volume 0 was not setup properly in the new window system that it was an able to detect it.

I'm not really a tech person so I kinda struggle to get it work. I'm hoping someone can help me retrieve the data from my previous harddisk.

I do plan to get rid of the mirrored system and reformat those harddisk again but only after I retrieve my data.

Thanks guys!

A:Unable to access a mirrored raid harddisk after system check

There are several kinds of RAIDs, the most popular are RAID 0 and RAID 1.

RAID 0 writes across 2 drives, putting some data on disk1 and some on disk2. This kind of raid only serves to speed up disk access and offers no error correction. Because a part of the data is written to disk1 and the rest on disk2, any one hard drive failure will be catastrophic. But because data is split up, access of the data uses both disks simultaneously and results in speed up.

RAID1 writes a copy of data to disk1 AND the same data to disk2. This kind of raid is for protection against drive failures. If any of the 2 hard drives fail, then the second disk takes over, and no loss of data will occur - you just have to replace the faulty drive.

Which type of RAID do you have?

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Hi, i was working on my accounts for my business last night when i had a power cut. When the power came back on 2 folders were missing from 2 locations. They were both holding the accounts files for February but the odd thing was they were in two different locations and i had finished working on them and had moved to doing the accounts for march.

The files were on a mirrored volume which i thought would guarantee that nothing would be lost in the event of an error.

I tried chkdsk which would not run until i rebooted and afterwards got this output from the event viewer:

Checking file system on D:
The type of the file system is NTFS.
Volume label is Big Storage.

One of your disks needs to be checked for consistency. You
may cancel the disk check, but it is strongly recommended
that you continue.
Windows will now check the disk.

CHKDSK is verifying files (stage 1 of 3)...
276480 file records processed.
File verification completed.
0 large file records processed.
0 bad file records processed.
0 EA records processed.
0 reparse records processed.

CHKDSK is verifying indexes (stage 2 of 3)...
The object id in file 0x436cf does not appear in the object id index in file 0x19.
Inserting an index entry into index $O of file 25.
The object id i... Read more

A:Files missing on mirrored volume after power faliure

You can try to recover them with Recuva free. https://www.piriform.com/recuva

Mirrored volume is Microsoft's wording for RAID1. You can search google for "why raid 1 is not a substitute for a backup".

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I know I should read and followed the pinned piece before I asked for help, but given the emergency please excuse me,...here is what I encountered:
Blue Screen of death w/ description says uncorrectible hardware error, I guess that's truly bad. 
I did the memory test using sony vaio/ microsoft OEM, memory is good.
I did the system restore several times, although completed and says successful, but blue screen keep coming back.
I went ahead did the CHKDSK, took me 4 and half hours, found 1 bad cluster, but corrected it says, then when i reboot windows, Intel Matrix Storage Console pops up at lower right hand corner of computer, telling me  "a drive is failing, back-up asap; seems to me it's port 1.
I know I need to back up, but given this situation, does it mean i have no choice but to expect this solid state drive is dying and can't be repair??

A:BSOD/ Intel RAID volume failing but CHKDSK clean volume

Here is the spec of my laptop:
Sony VGN-AR770U Vista Ultimate sp2
Intel 2.6 Ghz
Solid State HDD 320GB set 2 partitions
did not installed any new stuff lately, ran Malwarebites anti malware, clean at safe mode. 
Many thanks

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Hi -

"Autoruns" tells me that several drivers labelled "RAID" are getting loaded on boot/login (marked yellow in the image), but my disks are NOT RAID, just regular SATA and NTFS. Similar question for the multiple USB drivers...? (Win7, 32 bit)

Do I need them, or can I remove them from the startups?


A:RAID drivers but disks are NOT RAID - do I need them?


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Hey Guys,
I have a Dell XPS 600 with 2 160GB hard drives that mirror each other and would like to be able to reinstall the operating system but I'm not sure how to configure the RAID option. I would like to reinstall the O.S. either on one and keep the other as storage , or keep them mirrored and reinstall the O.S. I am using original Dell XP Media Center Edition 2005 disk. Thanks

A:Solved: Hard drives mirrored, need to configure raid for one hard drive

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I have two machines with TPM 1.2 chips. These machines are at home, so the benefits of bitlocker for the system drive seems minimal under the assumption that anyone with physical access can gain full access of my machines. I'm more concerned with the backup disks which I rotate off-site. I would like to encrypt my backup disks, but I'm concerned whether I can do a system image recovery, which bypasses normal the normal startup and runs in the WinPE pre-boot environment. Is there a procedure available to unencrypt the image copy backup for recovery and then reencrypt the backup disk afterwards?

Once machine runs Win 8.1 (x64) with Update. I don't bother sending backups off-site for this or any other client machines, since all data is accessed on my server. Windows offline shadow copies are already encrypted. Yet I still have an occasional need for an image copy restore.

My data is primarily on my virtual Windows Small Business Server (SBS based on Windows Server 2008 R2) running on a Windows Server 2012 R2 with Update Hyper-V host. Hyper-V does not make the TPM available its virtual machines. The Hyper-V host does have access to the *.VHDX disk volumes for the Hyper-V client machines. I have a occasion need to perform an image copy recovery on the Hyper-V host and/or on the Hyper-v virtual SBS.

Can I safely bitlock the backup disks and use them for image copy restores, which run on the Windows pre-environment?

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I have a Raid 10 array on a server. I want to Encrypt the drives on the Raid 10 Array.
Does Bitlocker supports Raid 10 disk Array?

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At the moment my system is set up with a bootable 3 disk SATA RAID 5 array via the SIL3114 ports. I am trying to:

FIRSTLY add a new SATA hard disk to the Nforce4 SATA ports as a non-raid drive which I want to make the system's BOOT disk and make the existing RAID 5 array non-bootable.

SECONDLY add 2 new SATA drives in a RAID1 array via the NFORCE4 chip.
I have added the non-raid HD to the nforce4 sata ports and set the appropriate BIOS RAID setting for the single HD to disabled. This has enabled me to migrate boot files etc onto the new disk. I cannot however get the system to boot from this new non-RAID hard disk as it does not appear under the BIOS Hard disk boot setting - instead it boots with the Sil31114 SATA RAID 5 array. The only way to get the new hard disk onto the Hard disk boot list in the BIOS is to disable the BIOS IDE/SATA RAID setting completely. If I do this however it will not allow me to add a further RAID1 array to the nVRAID controller.


Thanks very much

Hardware: k8nxp-sli with nf4 and SIL 3114 controllers, 6600GT graphics, XP mce 2005

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I have a motherboard Asus P5W DH Deluxe, when I asked the RAID array on the two disks of 750 GB, RAID in the menu on the question of what will be my field put Raid a that my field Raida is a large 500 GB and that is RAID 0, so I got Volume 0, I continued and made Volume 1, which took the rest of the disc space, but I gave him that this is Volume1 RAID1. Now it is not clear whether it is on only 2 disks can have RAID 0 and 1. Also I wonder if it is possible to have RAID 0 and 1 if there is some kind of fault on the disc whether Volume1 who was supposed to be RAID1 behave like any normal RAID1 that it would be to save the data from that part which is RAID1 or the data will become unavailable As with any RAID0 arrays. I hope I was clear.

A:Raid 0 and 1 on 2 disks is it possible?

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i use Windows 7 on a PC at Work, a hard disk in a removable rack stores confidential data. This disk is secured with Bitlocker. Now i want to access this disk on an other computer which runs Windows Vista x64 Ultimate.
In the Bitlocker maintenance i see the disk an there is an Option to restore access (unlock). But when activating, an error shows up, that there are no recovery keys.

How can i access the files without disabling the bitlocker encryption?



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Upon booting a Dell XPS 8910 I get an message saying there are no RAID disks in the system - though apparently the system is set up for RAID in the BIOS (there is a setting "SATA operation" set to "RAID ON". With the boot message I have an option to press "Cntrl-I" where I can reset the two existing drives to be "Non-Raid" disk.
It seems I have two options to fix the problem - 1) accept the option offered during boot and reset each drive as "Non-Raid" or 2) Change the SATA Operation setting in the BIOS to ACHI instead of RAID. 
Which one of those, if any, should I do? And can I do it safely, as in my disks are not about to be reformatted or something awful like that.
This boot message started appearing after I purchased an SSD, loaded a fresh copy of windows on it, and then re-partitioned the original HDD into one partition (erasing everything else on it, including EFI and recovery partitions).
Thanks for your help.

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I am building a home server. I had someone put the basic structure and configuration together and am now trying to get it right. Here are the basics.

Sata Back Plane for Disk management
Running Windows Home Server 2011.
4 Disks in RAID

3-500 MB
1-1.5 TB

My computer guy configured it so the MOBO is controlling a RAID 5 array. It is currently set at 465GB array in "RAID configuration Utility-Silicon Image Inc." Within that the array is broken up into a smaller C drive for system and the rest as storage.

What I want to do is migrate the server system configuration over to a separate Hard Drive, meaning one internally in the computer separate from the Back-Plane. Then run the server off that disk. Then reconfigure the Raid so that it uses:

3-WD Red 2.0 GB HDs configured in RAID 5 giving me roughly 4.0 of storage.

Since this whole configuration is so foreign to me with more layers than I am used to with the RAID configuration controlling the disks then WHS 2011 which is running on top of Server 2008, I am not sure where or how to apply changes and formatting. The steps as I see it are.

Format new hard drive. I have a 320GB HD I installed that is showing up in WHS 2011, that has already been formatted but has multiple partitions on it with nothing on them. Under computer management in WHS, I get a stunning number of options for disk formatting.

New Spanned Volume
New Striped Volume
New Mirrored Volume
New RAID 5 Volume
Convert to Dynamic Disk
C... Read more

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Can anyone tell me what's involved in adding physical disks to a RAID volume?

I have adding disks before, but I've always made each new disk its' own volume. What I need to know how to do is add disks into an existing RAID volumme, preferrably without having to re-format everything.

Can it even be done?

I have a Dell PE 2400 with PERC 2/si and a PV2150 connected with a PERC 3/dc.

The powervault have have up to 14 drives, and right now it has 7. I'd like to add more, but still have a single drive letter for the whole unit...


A:Adding disks to a RAID-5


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Which of these MS forums am i most likely to find real bitlocker experts in?

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Hello everyone.Here is what I have:- p2000G3 FC dual controller- 6 HDD x 300 GB RAID 106 HDD x 600 GB added.Expanding the existing RAID10 gives me a lot of overhead and very little free space.Added 2 RAID0 of 1200 gave me just 600 GB free.Is there a way to remove them from RAID and recreate a new vdisk instead of adding to the existing one?Thank you. 

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My computer has 5 disks and was set to duel boot several Win7 vhd.
2 of the disks were run in RAID 1 for store data.

Yesterday, one of the Win7 had those 2 disks changed to not initialized. But all the other Win7 can see those 2 disks (1 volume as RAID 1) showed Online and Healthy.

I thought that was caused by corrupt Win7. So I replace the vhd which backed up before. Strange that those 2 disks still showed not initialized. This mean the cause should be elsewhere.

I was thinking could this be related to boot menu (bcdedit) ? I'm going to edit the boot menu later.

Is there anyone have a clue ?

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I am a data recovery engineer and have a clients W700ds with a failed RAID 0 drive. I can get the data back for the client by building the RAID externally with software, but the client has a massive amount of software on the laptop he does not want to lose, so we are trying to get the Laptop to boot. Both drives have been cloned successfully, but on installing the clones I get an 'unknown disk' warning. I presume this is because the drives serial numbers are different to the drives meta data for the original drives. The system recognizes there is a RAID there because if I try to create a new RAID the error message says there is no room to create a new RAID (the RAID 0 volume was the entire disk size), but does not show the RAID volume as a defined RAID. Is there a way fo force the RAID to either boot or to ignore the 'unknown disks'?

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