Re: [win-pv-devel] v9.0.0 released

["Durrant, Paul" <pdurrant@xxxxxxxxxxxx>]

> -----Original Message-----
> From: Steffan Cline <steffan@xxxxxxxxx>
> Sent: 02 March 2020 07:50
> To: Durrant, Paul <pdurrant@xxxxxxxxxxxx>; win-pv-
> devel@xxxxxxxxxxxxxxxxxxxx
> Subject: Re: [win-pv-devel] v9.0.0 released
> 
> It's been a while since I replied on this since I've had lots of testing
> going on.
> 
> I just ran these tests on a new install of Win Server 2019 fully updated
> with all of the 9.0.0 drivers.
> 
> My config is this:
> memory = 16384
> maxmem = 16384
> vcpus = 4
> name = 'ec-win2019-1'
> vif = [
> 'ip=x.x.x.x,mac=00:16:3e:CD:0B:01,type=ioemu,model=e1000,bridge=xenbr0' ]
> address = 'x.x.x.x'
> netmask = '255.255.255.0'
> disk = ['phy:/dev/vg_san/ec-win2019-
> 1_img,hda,w','file:/root/en_windows_server_2019_x64_dvd_4cb967d8.iso,hdc:c
> drom,r']
> boot = 'dc'
> on_reboot = 'restart'
> on_crash = 'restart'
> vnc = 1
> vnclisten = "0.0.0.0"
> vncunused = 1
> vncpasswd = "kldwslex"
> builder = "hvm"
> viridian = [ 'base', 'freq', 'time_ref_count', 'reference_tsc',
> 'hcall_remote_tlb_flush', 'apic_assist' ]
> mmio_hole = 2048
> vga="stdvga"
> videoram=16
> pae=1
> nx=1
> xen_platform_pci=1
> usb=1
> usbdevice=['tablet']
> device_model_args=[ "-trace", "events=/root/events" ]
> acpi=1
> acpi_s3=0
> acpi_s4=0
> acpi_laptop_slate=1
> 
> 
> The VM is running on a Dell R620 2x10core 3ghz w/384gb. The drive is
> actually over an 8gb FC to a R720 with SCST running as a SAN w/ Raid-6 and
> 12x3tb drives.
> 
> Since this works so well, I'm guessing the previous issues reported may
> have been due to the config I had since merging your sample config with
> what I had seems to work fine. That same VM I originally tested with now
> has the 8.2.2 drivers back on it but with the latest Xen kernel I have, it
> just power cycles over and over. I had to move it to another server
> running an older kernel. I'll have to figure that out.
> 
> I did some disk i/o tests and am curious if the attached results look
> appropriate for the environment or if there's some tuning I'm missing.
> 
> Any suggestions are appreciated.
> 

I don't think there's anything particular that you're missing but that 4k read 
number looks abnormally low compared to the other numbers, which I guess is due 
to the 8.3ms acc time. What version of Xen are you running on BTW?

  Paul
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