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Windows Optimise Drives Lists SSD as HDD. How to correct this?

Anonymous
2021-11-06T17:45:24+00:00

I have a system with two RAIDs of SSD drives. Windows 10 Optimise Drives correctly list one as  Media Type SSD. But it lists the other as HDD. This means it does not schedule a retrim on the drive but defragmentation. Microsoft does not recommend that an SSD be defragmented as it may be detrimental.

How can I correct the Media Type to SSD? There must be a setting in the registry somewhere?

I have tried

               winsat formal

This does not change the Media Type.

Also

              Optimize-Volume -DriveLetter D -ReTrim -WhatIf

This responds with

"Optimize-Volume: The volume optimization operation requested is not supported by the hardware backing the volume."

Perhaps because Windows thinks it is an HDD.

              Get-PhysicalDisk

reports that the MediaType is 'Unspecified'

The only thing I have been able to do is turn off the Scheduled Optimisation. There must be a solution to this?

Windows for home | Windows 10 | Files, folders, and storage

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  1. Anonymous
    2021-11-07T22:38:29+00:00

    Hi Igor,

    Yes,

    fsutil fsinfo sectorinfo d:

    reports

    Trim Not Supported

    as you suggested.

    This is consitent with other commands such as Optimse Drives which say that the D: drive is a Hard Disc Drive. It is not an HHD, it is a RAID array of 4 SSDs. As Optimse Drives thinks it is an HDD it wants to run defragmentation on the drive every week. My solution so far has been to turn off scheduled optimisation.

    My other SSD RAID is reported as an SSD by Optimse Drives and so the scheduled optimisation for it is retrim. Perhaps Windows is unable to clasify a drive as both SSD and 'Trim Not Supported'. That is maybe Windows identifies all SSDs that do not support trim as HDDs? (These SSDs do support TRIM by the way but perhaps not in the RAID setup.) It is reported on other sites that TRIM is not supported by AMD RAID. However, it is odd that one of the arrays does support TRIM and the other does not. Maybe it is best to just turn off scheduled optimisation for all SSD RAIDs.

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  2. Igor Leyko 111K Reputation points Independent Advisor
    2021-11-06T18:42:09+00:00

    Hi Harry, My name is Igor, I have 12 Microsoft MVP awards. It's a pleasure for me to help others and I'll do all my best to help you. I'm sorry you have a problems.

    Windows does not think hard drive cannot be trimmed. In fact many enough modern hard drives supports trim.

    Please run command prompt as administrator and run

    fsutil fsinfo sectorinfo d:

    command. See if trim is supported. If it is not supported, there is some problem with controller's driver.

    P.S. Windows may need and DO a SSD's defragmentation in some cases.

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  3. Igor Leyko 111K Reputation points Independent Advisor
    2021-11-07T22:42:04+00:00

    Is trim supported or not - this is driver's answer to Windows request. Windows does not determine this itself. So please ask hardware developer's support for help.

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