Hyper V Trim Support

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TRIM/UNMAP Support in Windows Server 2012 & Hyper-V/VHDX ...

    https://blog.workinghardinit.work/2012/05/23/trimunmap-support-in-windows-server-2012-hyper-vvhdx/
    May 23, 2012 · TRIM/UNMAP. With Windows Server 2012 and Hyper-V VHDX we get what is described in the documentation “’Efficiency in representing data (also known as “trim”), which results in smaller file size and allows the underlying physical storage device to reclaim unused space.

Apps can send "TRIM and Unmap" hints - Compatibility ...

    https://docs.microsoft.com/en-us/windows/compatibility/new-api-allows-apps-to-send-trim-and-unmap-hints
    The Hyper-V environment calls File TRIM for all regions that are deleted when delete-file occurs in the VHD environment. The File_TRIMs are translated to the SSD so that the SSD performance can be optimized. Consumer VHD mounted on a thinly provisioned SAN:

Hyper-V 2012 and SSD TRIM/UNMAP (for thin provisioning)

    https://social.technet.microsoft.com/Forums/windowsserver/en-US/5cc45e3c-1fba-4dd1-9cfc-e309d1291ee6/hyperv-2012-and-ssd-trimunmap-for-thin-provisioning
    Sep 24, 2012 · Now, to get this working with Hyper-V 2012, the only info that I could gather was that the host storage device needed to support TRIM, the virtual disk file had to be of VHDX format, and that the guest had to issue TRIM/UNMAP commands.

How does storage thin provisioning work with Hyper-V ...

    https://searchstorage.techtarget.com/answer/How-does-storage-thin-provisioning-work-with-Hyper-V-automatic-trim
    Microsoft MVP Brien Posey explains how Windows Server 2012 R2's new automatic trim feature works with storage thin provisioning to free up capacity on virtual hard disks. ... How does storage thin provisioning work with Hyper-V automatic trim? ... What types of VHD files does Hyper-V support? By: Stephen Bigelow.

Telling Hyper-V that a drive is on SSD? - Spiceworks

    https://community.spiceworks.com/topic/1733914-telling-hyper-v-that-a-drive-is-on-ssd
    Jul 27, 2016 · I'm running into problems with SSD's on a Hyper-V 2012 R2 platform. Over the course of a year, the speed (see yellow) has gone from: And then, as of last week: These are the same VM. So I realised the problem is all down to how TRIM works on SSD's.

Hyper-V Storage I/O Performance Microsoft Docs

    https://docs.microsoft.com/en-us/windows-server/administration/performance-tuning/role/hyper-v-server/storage-io-performance
    Hyper-V Storage I/O Performance. 10/16/2017; ... (Trim requires pass-through or SCSI disks and trim-compatible hardware.) ... to keep the files in the VHD format is when a virtual machine has the potential to be moved to a previous release of Hyper-V that does not support the VHDX format.

Hyper-V on Windows 10 Microsoft Docs

    https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/
    Hyper-V on Windows 10. 05/02/2016; 2 minutes to read; In this article. Many versions of Windows 10 include the Hyper-V virtualization technology. Hyper-V enables running virtualized computer systems on top of a physical host.

CHARBEL NEMNOM MVP - Microsoft Azure & More

    https://charbelnemnom.com/2014/10/how-to-reclaim-unused-space-in-dynamic-vhdx-in-windows-server-2012-r2-hyper-v-hyperv-ws2012r2-ws2012/
    In conclusion, Trim requires trim-compatible hardware and is also requires Windows Sever 2012 or above on Hyper-V hosts and guests. Update: Storage Spaces supports UNMAP/Thin provisioning, so if your Virtual Machines are stored on Storage Spaces volumes, you will get the benefit of UNMAP automatically without any trim-compatible hardware.

How to Use Hyper-V Virtualization on Mac Computers

    https://www.parallels.com/blogs/hyper-v-mac/
    Jan 03, 2020 · Hyper-V is not for macOS . However, macOS® offers no support for Hyper-V and hosted systems that could rely on it. Organizations that use Mac® computers alongside Hyper-V virtual machines have no option other than to take advantage of Parallels Desktop™ for Mac Business Edition.It is the perfect solution as it comes with support for Hyper-V virtualization.



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