Re: how to disable(not ignore) disk discard feature

2024-01-10 Thread d tbsky
Frantisek Rysanek > Oh I see. You're saying that > -drive ...,discard=ignore > Does not prevent Windows (guest OS) from trying the > discard=trim=unmap on the virtio disk device, merely those operations > get ignored by QEMU. > Thus, Windows thinks it's trimming, while in reality it's just > wasti

The issue of Turbo Boost in KVM virtual machines

2024-01-10 Thread 成征
hello everyone: Here is the translation of your previous message into English: My host machine configuration is as follows: My CPU model is Intel(R) Xeon(R) Gold 6138 CPU @ 2.00GHz. I am currently using QEMU version 6.2.0, and my operating system is CentOS 8. I have enabled

Re: how to disable(not ignore) disk discard feature

2024-01-10 Thread Frantisek Rysanek
On 9 Jan 2024 at 0:20, d tbsky wrote: > > Since I am using RedHat family, I focus at q35 machine type > (pc-i440fx is no longer supported) and virtio-blk/virtio-scsi > device. > ... > > trim is useful for ssd and sparse image file and I am using it. but > for hard disk I don't want extra layers

VMware on Qemu & nested / AMD-V implementation is incompatible....

2024-01-10 Thread lejeczek
Hi guys. There is something in sroogle results, in general, about this here: Task failed on server: This host supports AMD-V, but the AMD-V implementation is incompatible with VMware ESX. Installer log files are located at /tmp/vcsaUiInstaller This errors out when I try to deploy vCenter (w