Disk Drive Keeps Disappearing

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  1. Posts : 55
    Windows 10
       #1

    Disk Drive Keeps Disappearing


    I'm not sure this is a windows problem, but maybe someone knows what's going on here.

    I have a Windows 10 PC running Blue Iris surveillance software. I have five 4TB WD Purple drives and one 2TB WD Purple that the cameras are being recorded to. The 2TB drive keeps disappearing. I'll format it and assign it a letter and it will go for a week or so and then just fall offline. I've done this a few times. It is nowhere close to filling up. In the computer management, it shows healthy.

    Any ideas? Is the drive failing?
    Attached Thumbnails Attached Thumbnails Disk Drive Keeps Disappearing-disk.jpg  
      My Computer


  2. Posts : 5,899
    Win 11 Pro (x64) 22H2
       #2

    ARAMP1 said:
    I'll format it and assign it a letter and it will go for a week or so and then just fall offline. I've done this a few times.
    Why are you reformatting the drive if all it's doing is disappearing? That makes no sense.

    And are you absolutely sure the drive isn't being filled with data before going offline? Especially since you're recording surveillance video.

    Also, did you check the software itself to insure it's properly setup to manage your drives storage usage for surveillance needs?
      My Computers


  3. Posts : 55
    Windows 10
    Thread Starter
       #3

    sygnus21 said:
    Why are you reformatting the drive if all it's doing is disappearing? That makes no sense.
    Re-assigning a drive letter and re-setting up the drive.

    sygnus21 said:
    And are you absolutely sure the drive isn't being filled with data before going offline? Especially since you're recording surveillance video.
    Yes. The 92% free as shown in the picture is accurate.

    sygnus21 said:
    Also, did you check the software itself to insure it's properly setup to manage your drives storage usage for surveillance needs?
    As far as I can tell, it's set up like all the other drives.
      My Computer


  4. Posts : 5,899
    Win 11 Pro (x64) 22H2
       #4

    ARAMP1 said:
    Re-assigning a drive letter and re-setting up the drive.
    You don't need to reformat a drive to re-assign a drive letter. Trust me, I've re-assigned drive letters on active drives plenty of times under all manor of Windows OSs. Never needed a reformat, never lost data.

    ARAMP1 said:
    As far as I can tell, it's set up like all the other drives.
    I asked about the surveillance software, not the drive.
      My Computers


  5. Posts : 55
    Windows 10
    Thread Starter
       #5

    sygnus21 said:
    You don't need to reformat a drive to re-assign a drive letter. Trust me, I've re-assigned drive letters on active drives plenty of times under all manor of Windows OSs. Never needed a reformat, never lost data.
    So, what does it mean/why would the drive letter fall off and one need to reassign the drive?

    sygnus21 said:
    I asked about the surveillance software, not the drive.
    You set the drives up in the software, allocating as much of the clips and archiving from each camera to whichever of the drives you choose. All the drives are set up the same way with storage allocated the same way in the software. For instance, I have a couple cameras to record on the larger drives. I have only one camera setup to record to this one, since it's smaller.

    I might switch SATA cables on this drive with another to see if a cable or SATA port might be the culprit.
      My Computer


  6. Posts : 5,899
    Win 11 Pro (x64) 22H2
       #6

    To reiterate my statement... you do not need to reformat a HDD/SSD drive to change / re-assign a drive letter. Once the drive is formatted, you can change the drive letter as many times as you like. Here's a video - How to assign a drive letter in Windows 10.

    As to why your issue... that's the mystery. A few guesses though....

    The cable to the drive could be faulty?
    The drive itself could be faulty?

    There also the possibility the drive could be losing the assigned drive letter. Be aware that when an drive looses it's drive letter it will "disappear" from Windows Explorer but will be seen in Disk Management as a drive without a drive letter. Also, the drive will (typically) still be formatted and re-assigning a drive letter will bring the drive to life (seen in Windows Explorer). Thus why you don't need to reformat the drive (unless of course the drive shows as unformatted (unallocated)).

    All that said, if you re-assign a drive letter make sure it's not a letter used by any drive. That includes portable drives you plug into USB ports. Also double check the power and SATA connections to the drive. Disk Check the drive for errors.

    Let me know.
      My Computers


  7. Posts : 5,899
    Win 11 Pro (x64) 22H2
       #7

    @ARAMP1,

    What are you going to do?
      My Computers


  8. Posts : 4
    windows 10
       #8

    Disk Dissapears


    Hello, i have the exact same problem, just bought a 4tb drive and randomly it dissapears, all data and partitions gone, just like if i was installing a brand new drive! I have done everything i can think of and it just keeps happening! Any thoughts?
      My Computer


  9. Posts : 2,487
    Windows 10 Home, 64-bit
       #9

    Kinetik999 said:
    Hello, i have the exact same problem, just bought a 4tb drive and randomly it dissapears, all data and partitions gone, just like if i was installing a brand new drive! I have done everything i can think of and it just keeps happening! Any thoughts?
    Is this an internal drive?

    Or an external drive connected by USB port?
      My Computer


  10. Posts : 2,095
    Windows 11 Pro (latest update ... forever anal)
       #10

    Kinetik999 said:
    Hello, i have the exact same problem, just bought a 4tb drive and randomly it dissapears, all data and partitions gone, just like if i was installing a brand new drive! I have done everything i can think of and it just keeps happening! Any thoughts?
    Manually (re)-assign a drive letter, like X, Y or Z as a test (unless you've already manually allocated that drive letter to another device - external or internal).

    Commonly occurs when there's a clash of drive letters between externally connected devices. Whilst Windows should auto assign the next drive letter available (usually in alpha order) as external drives are attached, sometimes 2 device drive letters may clash, and one device has to lose out.
      My Computers


 

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