Write-Caching - Enable or Disable

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  1. Sammy888
    Posts : 156
    Windows 7, Windows 10 Pro
       New #60

    Brink said:
    You can give it a try to set Marvel to AHCI in BIOS to see how it goes. If your Windows 7 drive will no longer boot or be recognized, then just restart the computer and change the Marvel BIOS setting back to IDE.
    Thanks...I tried it previously it works. Someone said that at the present time, the Intel drivers/controllers are faster than the Marvell ones but that will change.
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  3. Brink
    Posts : 72,051
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       New #61

    That's good news Sammy. Thank you for posting back with your results.
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  4. parkerz5409
    Posts : 1
    Windows 7 Ultimate 64-bit
       New #62

    Group Policy


    Brink,

    Do you know if this setting can be managed by Group Policy in Vista and Windows 7? I work in a corporate environment and there has been a request to disable Write Caching on our Dell XT2 tablet SSD hard drives, because of the loss/corruption of a database when power failures occur.

    If I could find the related policy to turn this off, I would save the world. :)

    Or if not a policy, is there a command I can throw at the tablet with a script, or a registry setting to make this change?

    Any help would be appreciated!
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  5. Brink
    Posts : 72,051
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       New #63

    Hello Parkerz, and welcome to Seven Forums.

    I'm not sure that it can be done in Group Policy, but I found this that might help.

    Enable "Turn off Windows write-cache buffer flushing on the device" through group policy
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  7. LM2008
    Posts : 168
    Windows 10 Home 64b
       New #64

    Should i enable write caching with my usb flash drives? i more use them for saving programs and applications (one is formatted NTFS) and i have another one for movies in avi or xvid format (the drive is formatted FAT32).
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  8. Brink
    Posts : 72,051
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       New #65

    Hello LM,

    Since they are removable drives, I would not recommend to enable write cache for them.
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  9. LM2008
    Posts : 168
    Windows 10 Home 64b
       New #66

    Thanks, i have another question, i have 3 portable hard drive (they are not connected 24/7) that i use to backup my laptop with Windows Backup and Restore, plus miscellaneous data like applications. Should i disable write-caching too?
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  11. Brink
    Posts : 72,051
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       New #67

    LM,

    Since they are also removable drives, it would be safe to not have write-caching enabled for them as well.

    If you had write-caching enabled for them you might get a bit of a performance gain for reading and writing to it, but you would have to remember to eject them using Safely Remove Hardware before disconnecting them or turning their power off to prevent data loss if something may still be writing or reading from them when you do.
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  12. ginsengxtract
    Posts : 1
    Windows 7 Home Prem x86/x64, 7 Professional x64, Ultimate x64.
       New #68

    Drives without Disk Caching Enabled detrimental to HDD?


    Do drives with Read/Write disk caching disabled fail frequently?
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  13. Brink
    Posts : 72,051
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       New #69

    Hello ginsengtract, and welcome to Seven Forums.

    It has no effect on the life span of the HDD with write caching enabled or disable. It only affects performance. :)
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