Hello, I’m writing because we don’t know to improve the read/write IO for our Windows Server 2012 and 2016 virtualization. Here you can find our 2016 VM template. CONTEXT = [ NETWORK = “YES”, CPU = “1” DISK = [ CACHE = “writeback”, DEV_PREFIX = “vd”, DRIVER = “raw”, IMAGE = “Windows 2016 D…

Hello, [image] Ceph + OpenNebula issue Community Support Hi UAnton, In addition if you are using Centos7 try qemu-kvm-ev from the oVirt repo. And as addition try to enable ‘virtio-blk data plane’. But with the 'qemu-kvm-ev" I can’t achieve remarkable additional performan…

Hello Anton, thanks for your fast reply. Sorry but could you please explain how we can activate virtio-blk data plane and how we can use the qemu-kvm-ev? :S

Hello Florian, If you use CentOS 7, add Ovirt repo and yum update qemu-kvm-ev -y, then delete repo.

thanks! Whats about the virtio-blk driver? When I’m installation Windows there is only the Virtio SCSI driver. Thanks in advanced!

we installed the new qemu but we have no improvement Total IO thread | bytes | I/Os | MB/s | I/O per s | file 0 | 11005952 | 2687 | 0.70 | 178.95 | C:\iotest.dat (1024MB) 1 | 10706944 | 2614 | 0.68 | 174.09 | C:\iotest.da…

Did you install virtio driver in your Windows ? Do a google search on “virtio driver windows” it’s somewhere hosted on Fedora/RedHat web site. They provide an ISO file. (Sorry I don’t use windows, can’t help more)

Hi, Could you share the diskspd arguments or which VMFleet template(PowerShell script) is used to run the tests? There are possible optimizations that I would like to test first. Best Regards, Anton Todorov

Hello, we have installed the virtio-blk driver and the performance is increased massive! Thanks for your support and help! Which you happy Xmas

Windows Server 2016 slow disc performance

Product Support

UAnton (Anton Zubkov) December 19, 2017, 12:31pm 2

Hello,

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Windows Server 2016 slow disc performance

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