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14.09.2020 · Hyper-V offers three types of virtual controllers: IDE, SCSI, and Virtual host bus adapters (HBAs). IDE IDE controllers expose IDE disks to the virtual machine. The IDE controller is emulated, and it is the only controller that is available for guest VMs running older version of Windows without the Virtual Machine Integration Services.

29.07.2021 · Open Services manager by running services.msc as an Administrator or by double-clicking the Services icon in Control Panel. Find the services that start with "Hyper-V". Right-click the service you want start or stop. Click the desired action. Use Windows PowerShell to start or stop an integration service within a Windows guest

27.02.2013 · I'm looking into using a PCI-E based SSD (OCZ RevoDrive 3 X2) with the free baremetal version Hyper-V as this drive now supports the TRIM command. I'm wanting to run both Windows and Linux VMs on top of Hyper-V and want Hyper-V to look after the life of the drive by issuing the all important ... · Hi, I launched an elevated command prompt ...

When files are removed in the VHD, the Hyper-V calls File_TRIM to the underlying thinly provisioned SAN. If the TRIMs are bigger than the SLAB granularity, ...

Ubuntu running in a Hyper-V virtual machine has been supporting the trim command since version 14.04 (details). The OS issues trim commands ...

Hyper-V TRIM support tl;dr -- enable TRIM support for Hyper-V emulated disks. The Hyper-V hypervisor can support TRIM for its devices, advertising this via the appropriate VPD pages. However the emulated disks only claim to be SPC-2 devices.

In conclusion, Trim requires trim-compatible hardware and is also requires Windows Server 2012 or later release on Hyper-V hosts and guests.

May 23, 2012 · 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.

Hyper-V TRIM support tl;dr -- enable TRIM support for Hyper-V emulated disks. The Hyper-V hypervisor can support TRIM for its devices, advertising this via the appropriate VPD pages. However the emulated disks only claim to be SPC-2 devices.

Windows Server also provides an API implementation for unmapping LBAs on a storage target device. UNMAP Requests from the Hyper-V Guest ...

31.12.2019 · Ubuntu Trim and Hyper-V Ubuntu running in a Hyper-V virtual machine has been supporting the trim command since version 14.04 ( details ). The OS issues trim commands when files are deleted to tell the disk that the blocks occupied by the files can be used elsewhere. This mechanism originally developed for SSDs is useful for virtual hard disks, too.

Oracle VM VirtualBox will only trim whole 1 MB blocks. ... When files are removed in the VHD, the Hyper-V calls File_TRIM to the underlying thinly ...

26.11.2015 · you mention that online shrinking isn’t supported, but in hyper-v 12r2 you can do online shrinking for VHDX that is attached to a SCSI controller. if it’s a gen2 VM, you can do it even for a VHDX holding the system drive since IDE controllers are gone in gen 2 and everything is connected to SCSI. worth mentioning that in the article.

This document provides best practices for configuring Microsoft Windows Server Hyper-V to perform optimally with Dell EMC PowerStore.

With Windows Server 2012 and Hyper-V VHDX we get what is described in the documentation “'Efficiency in representing data (also known as “trim”) ...

19.09.2012 · Hi, I've started looking at new features of Hyper-V 2012 and one of the improvements that had me excited was the trickling down of TRIM/UNMAP/discard commands from the guest's file system down to the host storage controller. I decided to test it with this procedure : - Create a file - Get its ... · For linux guests, first thing I would try ...

Dec 31, 2019 · Ubuntu Trim and Hyper-V Ubuntu running in a Hyper-V virtual machine has been supporting the trim command since version 14.04 ( details ). The OS issues trim commands when files are deleted to tell the disk that the blocks occupied by the files can be used elsewhere. This mechanism originally developed for SSDs is useful for virtual hard disks, too.

Q1: Does a GEN2 Linux Guest on Hyperv-2016-Core use the TRIM functunality to preserve the SSD health? Q2: If it works at all does it need to be ...

How Do I Use Hyper-V Manager to Compact a VHDX? · On the first screen, you select the target VHDX file. If you started from a VM's property page, then the ...

Sep 19, 2012 · Hi, I've started looking at new features of Hyper-V 2012 and one of the improvements that had me excited was the trickling down of TRIM/UNMAP/discard commands from the guest's file system down to the host storage controller.

23.05.2012 · 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.

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, ...