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Arep

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8 years ago

A

Arep

2 Posts

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3772

May 22nd, 2018 21:00

Hyper-V Live Migration for Meltdown & Spectre Update

Hi guys.

I have 3 PowerEdge C6320 Servers hosting multiple virtual machines running in Hyper-V in each one of them. I want to update the BIOS/Firmware for these physical servers for Meltdown & Spectre patches without any downtime on the VMs. 

Let's say that Host A has 3 VMs and Host B has 2 VMs running on Hyper-V. I want to live migrate all 3 VMs on Host A to Host B first before the update to ensure there isn't any downtime.

Is it possible to live migrate back the 3 VMs from the unpatched Host B to the patched Host A?

Is there any concerns that I should know about this process?

Thanks!

  • DJ

    DELL-Josh Cr

    Community Manager

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    9694 Posts

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    43679 Points

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    Posted May 23rd, 2018 11:00

    Hi,

    It may not work. https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/CVE-2017-5715-and-hyper-v-vms

  • A

    Arep

    2 Posts

    3590

    0

    Posted May 24th, 2018 20:00

    Hi Josh,

    Thank you for the info. Is there any possible way to update the hosts without any downtime to the guests?

    Thanks!

  • S

    ScottKarch

    5 Posts

    1647

    0

    Posted July 29th, 2019 17:00

    Hi there.  I'm trying to figure out if upgrading our C6220s to C6320s is enough of a speed boost for our Virtual hardware.   Do you still have them?  Is there any possbility of renting a few hours on a clean 2012 or 2016 vm to install FileMaker Pro and run some performance tests?  I'd be willing to pay for the time. 

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