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2. Module 5
Isolation Improvements

3. 4/13/2018 4:52 PM
Storage Quality of Service (QoS) Control and monitor storage performance
Simple out of box behavior
Enabled by default for Scale Out File Server
Automatic metrics per VHD, VM, Host, Volume
Includes normalized IOPs and latency
VIRTUAL MACHINES
HYPER-V CLUSTER
Flexible and customizable policies
Policy per VHD, VM, service, or tenant
Define minimum and maximum IOPs
Fair distribution within policy
Rate limiters
Rate limiters
Rate limiters
Rate limiters
Management
System Center VMM and Ops Manager
PowerShell built-in for Hyper-V and SoFS
SCALE OUT FILE SERVER CLUSTER
Policy Manager
I/O sched
I/O sched
I/O sched
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

4. Storage Quality of Service (QoS) Building Blocks
4/13/2018 4:52 PM
Storage Quality of Service (QoS) Building Blocks 1
Profiler and Rate Limiter on Hyper-V compute nodes
VIRTUAL MACHINES
HYPER-V CLUSTER 1 2
I/O Scheduler distributed across the storage nodes
Rate limiters
Rate limiters
Rate limiters
Rate limiters 3
Centralized Policy Manager on Scale-Out File Server Cluster
SCALE OUT FILE SERVER CLUSTER 2 3
Policy Manager
I/O sched
I/O sched
I/O sched
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

5. Responding to changing demand The Policy Process
(1) Measure current capacity at the compute layer
(2) Measure current capacity at the storage layer
(3) Use algorithm to meet policies at the Policy Manager
(4) Adjust limits and enforce them at the compute layer
VIRTUAL MACHINES
HYPER-V CLUSTER 4 1
Rate limiters
Rate limiters
Rate limiters
Rate limiters
SCALE OUT FILE SERVER CLUSTER 2 3
Policy Manager
I/O sched
I/O sched
I/O sched

6. Storage QoS Policies Understanding Policies
Define on Scale-Out File Server
Apply to Hyper-V virtual disk
The rest is automatic
VIRTUAL MACHINES
Sample Policy
HYPER-V CLUSTER
Name
SilverVM
PolicyID
8d f acf36
MinimumIOPs
100
MaximumIOPs
200
Type
Multi-Instance
Rate limiters
Rate limiters
Rate limiters
Rate limiters
SCALE OUT FILE SERVER CLUSTER
Silver
Policy
Gold
Policy
Policy Manager
I/O sched
I/O sched
I/O sched

7. Types of Storage QoS Policies
Single-Instance
Resource distributed among VMs
Ideal for representing a clustered workload, application, or tenant
Multi-Instance
All VMs perform the same
Ideal for creating per-VM performance tiers
MaximumIOPs = 200
MaximumIOPs = 200

8. Policies with PowerShell
4/13/2018
Policies with PowerShell
# Deployment - Create policy (on File Server)
New-StorageQosPolicy –CimSession FS -Name SilverVM -PolicyType MultiInstance -MaximumIops 200
# Deployment - Assign policy to VMs (on Hyper-V Host)
$Policy = Get-StorageQosPolicy –CimSession FS -Name SilverVM
Get-VM -Name VMName* | Get-VMHardDiskDrive | Set-VMHardDiskDrive –QoSPolicy $Policy
# Monitoring - Retrieve all flows (on File Server)
Get-StorageQosFlow
# Monitoring - Retrieve flows using the policy (on File Server)
Get-StorageQosPolicy -Name SilverVM | Get-StorageQosFlow
© 2015 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

9. Demo Storage QoS Tech Ready 15 4/13/2018
© 2012 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

10. Host Resource Protection
Dynamically identify virtual machines that are not “playing well” and reduce their resource allocation
Pioneered in Azure and enabled by default
Designed to help prevent a VM consuming excessive hardware resources
Looks for patterns of activity that shouldn’t occur within a non-malicious VM

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12. 4/13/2018 4:52 PM
© 2015 Microsoft Corporation. All rights reserved. Microsoft, Windows and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
© 2010 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.