The webinar on Citrix XenServer 6.5 will provide an overview of new features, packaging and licensing changes, and demonstrations of in-memory caching, workload balancing reports, login VSI scalability tests, and vGPU capabilities; attendees are encouraged to tweet about the session using designated hashtags; and the agenda includes discussions of XenServer editions, the What's New in 6.5 release, and live demos of the XenCenter view, configuration, and vGPU functionality.
The XenServer virtualization platform is used by well over 100,000 organizations to fulfill their IT objectives. Common scenarios include traditional server virtualization such as that found with VMware vSphere, delivery of large scale cloud services via Apache CloudStack or OpenStack, and as a platform for high performance desktop virtualization through XenDesktop. These use cases all have requirements of scale and manageability which imply solid deployments.
The content in this deck was presented in workshop form at FOSSETCON in 2015. Much of the information contained will work for any XenServer version, but XenServer 6.5 was covered. The audience was assumed to have some familiarity with virtualization concepts, but no assumptions about XenServer was made. Core concepts covered included; storage design, network design and operations, scalability and failure domains, as well as core features such as virtualized graphics.
XenServer, Hyper-V, and ESXi - Architecture, API, and Coding_Humair_Ahmed_
XenServer, Hyper-V, and ESXi hypervisor comparison in regards to market share, architecture/installation, and APIs/coding. Technical details, demos, and code provided. Visit my blog at http://humairahmed.com/blog/.
The XenServer virtualization platform is used by well over 100,000 organizations to fulfill their IT objectives. Common scenarios include traditional server virtualization such as that found with VMware vSphere, delivery of large scale cloud services via Apache CloudStack or OpenStack, and as a platform for high performance desktop virtualization through XenDesktop. These use cases all have requirements of scale and manageability which imply solid deployments.
The content in this deck was presented in workshop form at FOSSETCON in 2015. Much of the information contained will work for any XenServer version, but XenServer 6.5 was covered. The audience was assumed to have some familiarity with virtualization concepts, but no assumptions about XenServer was made. Core concepts covered included; storage design, network design and operations, scalability and failure domains, as well as core features such as virtualized graphics.
XenServer, Hyper-V, and ESXi - Architecture, API, and Coding_Humair_Ahmed_
XenServer, Hyper-V, and ESXi hypervisor comparison in regards to market share, architecture/installation, and APIs/coding. Technical details, demos, and code provided. Visit my blog at http://humairahmed.com/blog/.
Top Troubleshooting Tips and Techniques for Citrix XenServer DeploymentsDavid McGeough
This session will provide an expert insight into the most common issues encountered by Customers, Partners and Support engineers.
It’s a feature packed agenda which gets to the point quickly and concentrates on the issues we encounter continuously with XenServer deployments.
Hyper-V vs. vSphere: Understanding the DifferencesSolarWinds
For more information on Virtualization Manager visit: http://www.solarwinds.com/virtualization-manager.aspx
Watch this webcast: http://www.solarwinds.com/resources/webcasts/hyper-v-vs-vsphere-understanding-the-differences.html
Watch this webinar with Scott Lowe, Founder and Managing Consultant at The 1610 Group, and SolarWinds virtualization expert Jonathan Reeve where they discuss “Hyper-V vs. vSphere: Understanding the differences.”
The virtualization market is abuzz with talk of different hypervisors – most prominently VMware ESX® versus Microsoft Hyper-V®, who together own over 90% of the market. Small and medium businesses are already moving quickly toward Hyper-V, and a growing number of larger organizations are beginning to put plans in place to transition some portion of their environment from ESX to Hyper-V.
In this webcast we explore the reasons for these changes and the ecosystems for these two platforms both now and in the future. We also take a look ahead to what is known about Hyper-V 3.0 and why it warrants an even deeper look when evaluating hypervisors for your future virtualization deployments.
How to Optimize Microsoft Hyper-V Failover Cluster and Double PerformanceStarWind Software
High availability in a virtualized workload may require to sacrifice failover cluster performance. Using an optimized for virtualization approach on data storage and virtual machines placement and protection will give you desired boost of performance.
The presentation shows how to:
- Achieve true Hyper-V cluster high availability with just 2 Hyper-V hosts and zero storage hardware
- Boost Hyper-V cluster performance by configuring automatic dynamic optimization
- Effectively track VMs resources usage
- Save an extra 30% of Hyper-V cluster resources by utilizing agentless antivirus
Авторский учебный курс от Архитектора Microsoft Алексея Кибкало.
Что такое Hyper-V
Версии Windows Server 2012 Hyper-V
Аппаратные требования к Windows Server 2012 Hyper-V
Установка Hyper-V
Сетевые возможности Windows Server 2012 Hyper-V
Что такое Live Migration
Высокодоступные кластеры Windows Server 2012 Hyper-V
Аварийное восстановление и Hyper-V Replica
Азы управления при помощи System Center
При поддержке "Звезды и С" www.stars-s.ru
Overview of my VMware vSphere 5.1 with ESXi and vCenter class. Get an overview of the most powerful, enterprise class private cloud platform available.
VMware vCloud® Director™ (vCloud Director) orchestrates the provisioning of software-defned datacenter
services, to deliver complete virtual datacenters for easy consumption in minutes. Software-defned datacenter
services and virtual datacenters fundamentally simplify infrastructure provisioning and enable IT to move at the
speed of business.
Numerous enhancements are included within vCloud Director 5.1, making it the best infrastructure-as-a-service
(IaaS) solution in the marketplace today. This document highlights some of these key enhancements and is
targeted toward users who are familiar with previous vCloud Director releases.
Xen, XenServer, and XAPI: What’s the Difference?-XPUS13 Bulpin,PavlicekThe Linux Foundation
Many people have difficulty understanding the difference between the Xen Hypervisor, XenServer, and XAPI. In this session, James Bulpin, Director of Technology for XenServer, and Russell Pavlicek, Evangelist for the Xen Project, will attempt to clarify what each project is, what it does, and how it compares with the others. We will cover some of the basic features and functions, the tasks for which each is suitable, and where the projects overlap. Attendees will come away with a better sense of where these three projects fit in the world of Xen virtualization.
Top Troubleshooting Tips and Techniques for Citrix XenServer DeploymentsDavid McGeough
This session will provide an expert insight into the most common issues encountered by Customers, Partners and Support engineers.
It’s a feature packed agenda which gets to the point quickly and concentrates on the issues we encounter continuously with XenServer deployments.
Hyper-V vs. vSphere: Understanding the DifferencesSolarWinds
For more information on Virtualization Manager visit: http://www.solarwinds.com/virtualization-manager.aspx
Watch this webcast: http://www.solarwinds.com/resources/webcasts/hyper-v-vs-vsphere-understanding-the-differences.html
Watch this webinar with Scott Lowe, Founder and Managing Consultant at The 1610 Group, and SolarWinds virtualization expert Jonathan Reeve where they discuss “Hyper-V vs. vSphere: Understanding the differences.”
The virtualization market is abuzz with talk of different hypervisors – most prominently VMware ESX® versus Microsoft Hyper-V®, who together own over 90% of the market. Small and medium businesses are already moving quickly toward Hyper-V, and a growing number of larger organizations are beginning to put plans in place to transition some portion of their environment from ESX to Hyper-V.
In this webcast we explore the reasons for these changes and the ecosystems for these two platforms both now and in the future. We also take a look ahead to what is known about Hyper-V 3.0 and why it warrants an even deeper look when evaluating hypervisors for your future virtualization deployments.
How to Optimize Microsoft Hyper-V Failover Cluster and Double PerformanceStarWind Software
High availability in a virtualized workload may require to sacrifice failover cluster performance. Using an optimized for virtualization approach on data storage and virtual machines placement and protection will give you desired boost of performance.
The presentation shows how to:
- Achieve true Hyper-V cluster high availability with just 2 Hyper-V hosts and zero storage hardware
- Boost Hyper-V cluster performance by configuring automatic dynamic optimization
- Effectively track VMs resources usage
- Save an extra 30% of Hyper-V cluster resources by utilizing agentless antivirus
Авторский учебный курс от Архитектора Microsoft Алексея Кибкало.
Что такое Hyper-V
Версии Windows Server 2012 Hyper-V
Аппаратные требования к Windows Server 2012 Hyper-V
Установка Hyper-V
Сетевые возможности Windows Server 2012 Hyper-V
Что такое Live Migration
Высокодоступные кластеры Windows Server 2012 Hyper-V
Аварийное восстановление и Hyper-V Replica
Азы управления при помощи System Center
При поддержке "Звезды и С" www.stars-s.ru
Overview of my VMware vSphere 5.1 with ESXi and vCenter class. Get an overview of the most powerful, enterprise class private cloud platform available.
VMware vCloud® Director™ (vCloud Director) orchestrates the provisioning of software-defned datacenter
services, to deliver complete virtual datacenters for easy consumption in minutes. Software-defned datacenter
services and virtual datacenters fundamentally simplify infrastructure provisioning and enable IT to move at the
speed of business.
Numerous enhancements are included within vCloud Director 5.1, making it the best infrastructure-as-a-service
(IaaS) solution in the marketplace today. This document highlights some of these key enhancements and is
targeted toward users who are familiar with previous vCloud Director releases.
Xen, XenServer, and XAPI: What’s the Difference?-XPUS13 Bulpin,PavlicekThe Linux Foundation
Many people have difficulty understanding the difference between the Xen Hypervisor, XenServer, and XAPI. In this session, James Bulpin, Director of Technology for XenServer, and Russell Pavlicek, Evangelist for the Xen Project, will attempt to clarify what each project is, what it does, and how it compares with the others. We will cover some of the basic features and functions, the tasks for which each is suitable, and where the projects overlap. Attendees will come away with a better sense of where these three projects fit in the world of Xen virtualization.
Xen Orchestra: XAPI and XenServer from the web-XPUS13 LambertThe Linux Foundation
Xen Orchestra is a web based management tool for the XAPI toolstack that is developed by the Xen Project. XAPI is a fully featured management API for Xen, that is also used by the recently open sourced enServer. We'll see how Xen Orchestra leverages XAPI by allowing a complete control of your virtualized infrastructure. First, we'll explain quickly the XO architecture (such as cache system, asynchronous events, user management with tokens…) Then, a review of current and future possibilities will be exposed, to show what you can expect from this solution: powerful visualizations with d3js, neat interface, orchestration features and integration with all XAPI's capable hosts (XenServer or any distro with XAPI packages, such as Debian, Ubuntu or CentOS). Finally, we'll talk about how to contribute.
Introduction to Open Source Cloud Computing", Mark Hinkle, Senior Director Cloud Computing Community, Citrix
Very few trends in IT have generated as much buzz as cloud computing. This session will cut through the hype and clarify what cloud computing is, what the use cases are, and what open source software exists to build and manage clouds. The discussion will appeal to systems administrators, IT generalists, and developers...anybody who wants to create a cloud computing environment on their own hardware in their own data centers and deploy applications to this cloud.
"Xen Cloud Platform”, Mike McClurg, Senior Engineer, Xen.org Engineering
The Xen Cloud Platform is an open-source, enterprise-ready server virtualization platform. It is based on the Xen hypervisor, and represents the common code base for Citrix's XenServer product line. This presentation gives an introduction to XCP, and how it relates to both the Xen hypervisor and to Citrix's XenServer. It covers XCP's XenAPI and how it can be used by two of the most popular cloud orchestration frameworks, CloudStack and OpenStack. Finally, it discusses the XCP "roadmap," and the plans for the future of XCP.
"Scaling Storage with Ceph", Ross Turk, VP of Community, Inktank
Ceph is an open source distributed object store, network block device, and file system designed for reliability, performance, and scalability. It runs on commodity hardware, has no single point of failure, and is supported by the Linux kernel. This talk will describe the Ceph architecture, share its design principles, and discuss how it can be part of a cost-effective, reliable cloud stack.
"Deploying Private PaaS with ActiveState Stackato”, Diane Mueller, Director Cloud Evangelism, ActiveState
This presentation covers building and deploying a Private Platform-as-a-Service (PaaS) on CloudStack. Diane Mueller, ActiveState's Cloud Evangelist shows how to deploy ActiveState's Stackato, an enterprise-ready multi-lingual Private PaaS that runs on any cloud and supports deploying and managing web & mobile applications in any language including Java, .Net, Python, Perl, PHP Ruby, Node.js, Clojure, Scala and Erlang - to name a few. Using the CloudStack UI, Diane demonstrates how to configure and deploy the PaaS and then shows how easy it is to push a live application in under an hour.
Virtualization products partition physical servers in multiple virtual machines. Each virtual machine represents a complete system, with processors, memory, networking, storage and BIOS.
Multiple virtual machines can share physical resources and run side by side on the same server.
Operating systems and applications can run unmodified in virtual machines.
Virtualization and how it leads to cloudHuzefa Husain
What exactly is virtualization?
Types of virtualization
Current trend in virtualization
How virtualization leads to Cloud Computing?
Cloud Computing Stack
Hyperconvergence enables you to pair the elasticity benefits of the cloud with the control and security of on-premise data centers. All within a consolidated management infrastructure. Learn how Cisco HyperFlex 3.0 enables these capabilities and much more for any application, in any cloud at, any scale.
This presentation digs into the latest version of HyperFlex. Cisco experts discuss increased scale up to 64 nodes, logical availability zones, managing HyperFlex with Cisco Intersight, stretch clusters, Hyper-V on HyperFlex, and persistent volume integration with kubernetes.
Resources:
Watch the related TechWiseTV episode: http://cs.co/9005DgslL
TechWiseTV: http://cs.co/9009DzrjN
VMworld 2013
Christos Karamanolis, VMware
Kiran Madnani, VMware
James Streit, Thomson Reuters
Learn more about VMworld and register at http://www.vmworld.com/index.jspa?src=socmed-vmworld-slideshare
Is Hyperconvergence right for you?
(Watch the show before you watch the workshop: https://youtu.be/BVMpcitCQcw)
As business and application needs change, the need for infrastructure to be equally responsive, agile, and scalable has become not just nice to have. It’s now a crucial necessity.
Do you have IT operational challenges?
Are you searching for ways to create a pay-as-you-go model for infrastructure?
Is granular scalability as important as ultimate scalability?
Cisco’s entry into hyperconverged infrastructure is the most advanced, complete, and compelling hyperconverged solution available today. Cisco HyperFlex systems will solve those challenges and set you up for success with easy deployment, management, and growth.
These are the slides. Catch the whole discussion live or in replay at : http://cs.co/9002BlCb4
Dell Technologies è un’esclusiva famiglia di aziende che offre alle organizzazioni l’infrastruttura necessaria per costruire il loro futuro digitale, favorire l’IT Transformation e proteggere le loro risorse più importanti: le informazioni.
In particolare per il settore dell’Education di livello superiore, Dell EMC ha studiato un catalogo di soluzioni in aree quali:
Converged Infrastructure
Storage e Protection dei dati
Servizi di didattica digitale
In questo ciclo di webinar illustreremo le soluzioni Dell EMC più all'avanguardia, attualmente oggetto di studio da parte della Fondazione CRUI per un possibile contratto in convenzione.
OSCON2014: Understanding Hypervisor Selection in Apache CloudStackTim Mackey
A presented at OSCON 2014, this deck covers the matrix of capabilities each supported hypervisor brings to the Apache CloudStack table when building a cloud.
Slide will show what veeam agent can do.
Demo
- How to deploy veeam agent for linux
- How to configuration veeam agent from console
- Recovery file from veeam agent console
Bonus Track
- Migrate Physical Workload (Linux) to Microsoft Azure
VMworld 2013: IBM Solutions for VMware Virtual SAN VMworld
VMworld 2013
Eric Deadwyler, IBM
Joseph Russell, VMware
Learn more about VMworld and register at http://www.vmworld.com/index.jspa?src=socmed-vmworld-slideshare
Microsoft Virtualization for VMware ProfessionalsEduardo Castro
Esta es la presentación utilizada en el WebCast de Semana de la Nube
https://msevents.microsoft.com/CUI/EventDetail.aspx?culture=es-AR&EventID=1032491907&CountryCode=AR
En este evento encontrará una introducción a la virtualización con productos y soluciones Microsoft para los VMware Professionals.
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"Secure Your Premises with VizMan (VMS) – Get It Now"
1. Citrix XenServer Master Class
February 10, 2015
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2. What’s New in Citrix XenServer 6.5 - Master Class
Feb. 2015
Valerie DiMartino - @Valdim98
Senior Product Marketing Manager, Citrix Cloud
Marc Trouard-Riolle - @xenserver, @mtrouardriolle
Senior Product Marketing Manager, Citrix XenServer
Enzo Raso - @enzoraso
Senior Product Manager, Citrix XenServer
Andrew Halley - @Andrew_Halley
Dir. Product Development, Citrix XenServer
4. 5
Agenda
• Overview
• XenServer 6.5 Packaging/Licensing
• What’s new in XenServer 6.5
• In-Memory Cache/Workload Balancing Reports and
Login VSI/scalability/vGPU Demos
• XenCenter view/configuration and vGPU Demo
• Quiz & Prize Giveaway
5. Overview of Citrix XenServer
Marc Trouard-Riolle
Sr. Product Marketing Manager, Citrix XenServer
@XenServer, @mtrouardriolle
6. 7
Citrix Products discussed
– Citrix XenServer
– Citrix XenApp, XenDesktop & NetScaler
Key Takeaways
– XenServer delivers a highly performing, scalable virtualized infrastructure for
server, desktop and cloud workloads
– Product offers market-leading features & performance
– Customer-proven production deployments driving real-world businesses
– Solutions offers best value for lowest desktop virtualization TCO
Session Summary
7. 9
Leveraging Multiple Hypervisors
Source: Info-Tech Research Group; N = 71
1% 3%
7%
31%
58%
How many server virtualization
vendors are you using?
5 4 3 2 1
41%
32%
9%
9%
4% 5%
What pair of vendors
are you using?
VMware/Citrix
VMware/Microsoft
VMware/Oracle
Microsoft/Oracle
Oracle/Red Hat
Microsoft/Red Hat
71%
20%
7% 2%What vendor are
you using?
VMware
Microsoft
Citrix
Red Hat
9. 11
Understanding the Domain 0 Component
Domain 0 (dom0) is a compact specialized system VM that manages the host,
pools of hosts and network and storage I/O for all guest VMs
11. 13
Understanding the Windows VM Component
Windows VMs use paravirtualized drivers to access storage and network
resources through Domain 0
12. 14
Why Customers Virtualize with XenServer?
• Innovative, market leading virtualization
• Best TCO for virtualized apps & desktops
• High consolidation CAPEX & OPEX savings
• Per-CPU socket pricing
Affordable
3
• Enterprise-class features (XenMotion, HA, WLB,
Storage XenMotion, vGPU, Read-Cache)
• Optimize resources with zero-downtime
• Desktop and cloud optimized for high density
• Usage specific optimizations
Performance
2
• Ease of installation & configuration
• No single points of failure
• Manage thousands of servers
Ease of Use
1
15. 17
XenServer v6.5 Product Packaging and Pricing
Automated, integrated, and production-ready
small to medium sized enterprises
For automated enterprise-wide virtual
environments
Free downloadable via XenServer.org
Enterprise-ready features with community
support
$1250
/CPU
$625
/CPU
FREE
XenServer
Enterprise Edition
Included
in XA/XD
Available to XA/XD license holders: with
improved scale, performance and best TCO!
XenServer
Standard Edition
XenApp/XenDesktop
Entitlements
XenServer
Free
16. 18
Comprehensive virtualization
platform for desktop, data
center and cloud workloads
Citrix XenServer 6.5
Enterprise Edition
($1250/socket)
• Includes all current XenServer
features
• Default upgrade path from
XenServer 6.2
• In-Memory Read-Cache
• Workload Balancing (WLB)
• Measured-Boot & Asset
Tagging (Intel TXT)
• vGPU with NVIDIA GRID
• vSphere Conversion Manager
Basic Commercial Server
Virtualization
Citrix XenServer 6.5
Standard Edition
($625/socket)
• Full 64-bit kernel architecture
• Live Migration & Storage
XenMotion
• Latest XD/XA & CloudPlatform
support
• NVIDIA & AMD GPU Pass-thru
• Standard Citrix commercial
support to xenserver.org
distribution
SE-to-EE Upgrade
($780 per socket)
XenServer License Upgrades
18. 20
XenServer v6.5 Product Features
XenServer Editions XenApp/XenDesktop Entitlements
Standard Enterprise All Editions Platinum
64-bit Hypervisor & 64-bit Control Domain ✓ ✓ ✓ ✓
Multi Server Management with XenCenter GUI ✓ ✓ ✓ ✓
Active Directory Integration & Role-Based Administration and Control (RBAC) ✓ ✓ ✓ ✓
Dynamic Memory Control (DMC) ✓ ✓ ✓ ✓
Live Memory VM Snapshot and Revert ✓ ✓ ✓ ✓
Live VM Migration with XenMotion ✓ ✓ ✓ ✓
Mixed Resource Pools with CPU Masking ✓ ✓ ✓ ✓
Hotfix Deployment via XenCenter ✓ ✓ ✓ ✓
VMware vSphere Conversion Utility ✓ ✓ ✓
Dynamic Workload Balancing & Audit Reporting (WLB) ✓ ✓ ✓
Export Pool Resource List ✓ ✓
Host Failure Protection with High Availability (HA) ✓ ✓ ✓ ✓
Site Recovery Manager ✓ ✓ ✓ ✓
Bridge Based Networking ✓ ✓ ✓ ✓
Basic Network Security Groups ✓ ✓ ✓ ✓
Open Virtual Switch (OVS) ✓ ✓ ✓ ✓
Distributed Virtual Switch Controller (DVSC) ✓ ✓ ✓ ✓
Live VM Migration with Storage XenMotion and Shared Nothing Migrations ✓ ✓ ✓ ✓
Intellicache Storage Optimization ✓ ✓ ✓ ✓
In-Memory Read Caching ✓ ✓
GPU Pass-through ✓ ✓ ✓ ✓
Graphics Processor Virtualization (vGPU) ✓ ✓ ✓
Measured Boot and Asset-tagging with Intel TXT ✓ ✓ ✓
Product Edition Feature Matrix
XenServer v6.5 Licensing FAQ: http://support.citrix.com/article/CTX141511
19. What’s new in XenServer 6.5?
Enzo Raso
Senior Product Manager, Citrix XenServer
20. 22
Industry-leading, fully open source virtualization platform
Supports datacenter, cloud and desktop virtualization
infrastructures
Runs 40% of Citrix XenDesktop deployments
Runs 60% of Citrix CloudPlatform deployments
The power behind Citrix NetScaler SDX
750,000+ hosts
Running the world’s largest public and private clouds
Over 1 million downloads
Powered by Xen Project hypervisor
22. 24
x64
Fully 64-bit Platform
• Citrix XenServer now accommodates many more devices per host (network
cards, GPUs…)
• Allows use of devices that are 64-bit only (including PCIe SSD)
• Allows more Dom0 memory (enabling more VMs to be run per host)
• Supports the latest servers from all OEMs (64-bit mode becoming “default”
configuration)
23. 96 vGPUs per Host
Photo by nvidia.corporation, CC-by-NC-ND-licensed
25. 27
Interhost Aggregate Network Throughput
XS 6.2
XS 6.5
3 Gb/s
25 Gb/s
VM
XenServer Host
VM
VM VM
VM
VM
VM
VM
XenServer Host
Measurements taken on Dell PowerEdge R720 (2 x Xeon E5-2643 v2), Mellanox MT27500 NIC
800% Faster
26. 28
Average Latency of Many Short-Lived Network Flows
XS 6.2
XS 6.5
VM
XenServer Host
VM
VM VM
VM
VM
VM
VM
XenServer Host
Measurements used apachebench concurrently in 64 pairs of VMs on two hosts, with OVS
1600% Faster
800 ms
50 ms
27. 29
Aggregate Storage Read Throughput
XS 6.2
XS 6.5
2.2 GB/s
9.9 GB/s
Measurements taken on Dell PowerEdge R720 (2 x Xeon E5-2643 v2)
400% Faster
SSD
XenServer Host
VM
VM
VM
VM
28. Boot storms and antivirus scans can kill your storage
In-Memory Read Caching
39. 41
Workload Balancing: It’s Back!
Workload Balancing (WLB) retired in
XenServer 6.2, Back in XenServer 6.5
Generate performance monitoring
reports
Alert administrators to system hot spots
Automatically place workloads based
on historic data
Dynamically move workloads based on
CPU, storage & network load
40. 42
Ubuntu 14.04
SLES 11 SP3 & SLES 12
Debian 7.2 “Jessie”
CentOS 5.10, 6.5, 7.0
Red Hat 5.10, 6.5, 7.0
Oracle Linux 5.10, 6.x
Oracle UEK 6.x
New Guest Operating Systems Plus LTS
41. 43
UNMAP support
Delete and reclaim space used by VDIs
Enables better use of array-based thin provisioning
Online dynamic LUN resizing without
having to restart VMs
42. 44
Maintenance Improvements
Decouple device driver versions from kernel build versions
(where possible)
New device drivers included in service packs where required
Minimization of host reboots to reduce number of VM
migrations
Avoid reverting to obsolete device drivers
47. 51
Scaling higher and working faster with XS 6.5
Technical examples and demonstrations
48. 52
Scaling higher and working faster with XS 6.5
Improvements under the hood
Performance :
• Networking and storage improvements :
- How and why?
• Improving bootstorms
• Improving end-user performance at scale
Scalability :
• VM density
• vGPU density and performance
• XenCenter
• Status reports
Having seen some of the performance
and scalability improvements – we’re
now going to look a little under the
hood and how these affect you – as a
sys. admin. or user – and also your
end-users
49. 53
Networking Performance – how and why?
Generic Receive Offload support – 200% increase in VM
receive performance
Move to grant mapping (not grant copy) – 200% increase in
aggregate throughput, by saving Dom0 CPU resources
Improved IPv6 guest performance
50. 54
Storage Improvements
Support for tapdisk3 – up to 100% increase in read performance
SRs running out of space handled more robustly (e.g. snapshot coalesce)
Disk IO errors reported in XenCenter
Increasing supported limit of total number of virtual disks per host
V
D
I block
layer
dom0 VM
syscall / etc
device
driver
B
D
kernel space
user space
block
layer
xen’s blkif
protocol
block
layerblktap2
ta
p
libaio
aio syscalls
libc
blkfr
ont
tapdisk user proc.
blkback
52. 56
Highlights of XenServer XenServer 6.5 Performance Improvements for XD/XA
Bootstorm data transferred lower is better
XS 6.2
XS 6.5
18.0 GB
0.7 GB = -96%
VM
VM
VM
VM
XenServer
NFS
Bootstorm duration lower is better
XS 6.2
XS 6.5
470 s
140 s = -70%
VM
VM
VM
VM
XenServer
NFS
Measurements were taken on various hardware in representative configurations. Measurements made on other hardware or in other configurations may differ.
XenServer
VM
VM
VM
VM
VM
VM
VM
VM
XenServer
XS 6.2
XS 6.5
3 Gb/s
25 Gb/s = +700%
Aggregate storage read throughput higher is better
VM
VM
VM
VM
XenServer
SSD
XS 6.2
XS 6.5
2.2 GB/s
9.9 GB/s
= +350%
XS 6.2
XS 6.5
2.8 GB/s
7.8 GB/s = +175%
VM
VM
VM
VM
XenServer
SSD
Aggregate network throughput higher is better
Aggregate storage write throughput higher is better
Booting a large number of VMs is significantly quicker in XS 6.5
due to the read-caching feature.
The read-caching feature significantly reduces the IOPS hitting the
storage array when VMs share a common base image.
XS 6.5 brings many improvements relating to network throughput.
For example, the capacity for a large number of VMs to send or
receive data at a high throughput has been significantly improved.
The new, optimized storage datapath in XS 6.5 enables aggregate
throughput to scale much better with a large number of VMs. This
allows a large number of VMs to sustain I/O at a significantly
higher rate, for both reads and writes.
vGPU scalability higher is better
XS 6.2
XS 6.5
64
96 = +50%
VM VM VM VM
XenServer
The number of VMs that can share a GPU has increased in XS
6.5. This will reduce TCO for deployments using vGPU-enabled
VMs.
GPU
53. ……running with just 2Gb dom0 memory, and the
improvements in VM boot and login times for a test
lab of just 10 VM's are staggering!!
90 secs down to 22 seconds boot, and 120 secs
down to 20 seconds login, not to mention drastically
improved app launch times…….
The Login VSI benchmark
• Login VSI is a benchmark that measures the scalability of a hypervisor
platform
• This is measured in terms of the number of VMs it can run at an
acceptable level of performance
54. 58
number of VMs running the Login VSI 3.5 medium workload
numberofVMsrunningatan
acceptablelevelofperformance
XenServer 6.0.2
handles up to 120
VMs
XenServer 6.1
handles up to
165 VMs
XenServer 6.2
Handles up to
350 VMs
XenServer 6.5
still going strong
with 500 VMs
55. XenCenter demo 1 :
500 VMs running Windows 7 SP1 on a single host
58. 62
Moved to one netback thread (in Dom0) per virtual network interface:
load now spread evenly across Dom0 vCPUs
Upgraded to Open vSwitch (OVS) 2.1: support for megaflows
(wildcarding to have one rule capture multiple flows)
Photo by Claus Rebler, CC-by-SA-licensed
60. 64
Impact of these improvements on sys-admins and end-users
Bootstorm enhancements
Bootstorms occur at important points in the
admin or end-users :
• Start of the working day when many users start
desktop of VDI sessions
• Completing updates or upgrades when getting back
online is vital to minimise downtimes
Results shown are comparing bootstorms
between XS 6.2 SP1 and XS 6.5 :
• 125 x Windows 7 – 2GB VMs
• 4 x AMD Opteron CPUs with 512 GB RAM
Number of VMs boote
Time in seconds
XS 6.5
XS 6.2 SP1
62. 66
What this means for the end user – is the opportunity for greater VM densities
with real-life usability, responsiveness and performance on suitably scaled
hardware
+ XS 6.5 is 3 times faster and smoother
Impact of these improvements on sys-admins and end-users
Summary of results
63. 67
Scaling in other ways
Graphics virtualisation
We’re used to virtualising cpu, memory, networking and storage
Graphics has fast become the new frontier
65. 69
Even Greater vGPU Density and performance
Up to 50% increase in vGPU-enabled users per host (64 to 96)
Support for more physical GPUs per host
Citrix XenServer will scale as hardware grows
Support of new NVIDIA vGPU types
(32 x K120Q per K1 card, 16 x K220Q per K2 card)
Benefits of fully 64-bit platform other performance enhancements
66. 70
NVIDIA Kepler GPU
NVIDIA Kernel
Module
VNC
Server
Mapped
Guest VRAM
NVIDIA
Plugins
HDX Pro
3D
PCI
NVIDIA Client
Driver
Xen
Hypervisor
Domain 0 Windows
Guest
Domain
ICAVNC
Mapped
Guest VRAM
Guest VRAM
On-Board
VRAM
IO
Emulation
vGPU Device
Model Process
QEMU
Process
Socket
Interface
Framebuffer
(Guest RAM)
XenServer
VGX
Integration
Register
Access
Client driver uses ‘fast’
DMA interface to prepare
guest framebuffer for HDX
Pro
GPU command
stream passed by
DMA from guest
RAM
Plugin DMAs on-board
VRAM to guest VRAM
so VNC can display
console
Could use V4V to
allow vGPU and
QEMU to run in
separate domains
67. 71
GPU Virtualization (vGPU)
Superior to software-based API Intercept implementations of GPU virtualization
such as Microsoft RemoteFX and VMware vSGA
XenServer’s vGPU solution supports all levels of DirectX and OpenGL
Photo by nvidia.corporation, CC-by-NC-ND-licensed
68. XenCenter demo 2 :
96 vGPU enable VMs running Windows 7 SP1 on a single host
70. XenCenter demo 3 :
Using operation and audit log reports & query
71. 75
Configuration limits: XenServer 6.2 vs 6.5
Per-VM scalability limits more is better
VM
...
VM
...
Host
...
Host
VM VM ... VM
Host
VM VM
...
VM
Per-host scalability limits more is better
RAM per VM
RAM per host
Running VMs per host VBDs per host
pCPUs per host
vCPUs per VM
Host
...
Multipathed LUNs per host
Host
...
72. 76
x
Summary – XS as a fully 64-bit Platform
Hence – XS 6.5 not only gives more vGPUs VMs it also makes them 10-30% faster
• Depending on benchmark selected
In general XS 6.5 delivers a more responsive system with performant VMs
delivered faster and more smoothly to your users
Architecturally more powerful and built
for future expansion and growth
76. 82
Citrix Products discussed
– Citrix XenServer
– Citrix XenApp, XenDesktop & NetScaler
Key Takeaways
– XenServer delivers a highly performing, scalable virtualized infrastructure for
server, desktop and cloud workloads
– Product offers market-leading features & performance
– Customer-proven production deployments driving real-world businesses
– Solutions offers best value for lowest desktop virtualization TCO
Session Summary
77. 83
Resources
• Case Studies: http://www.citrix.com/customers.html
• XenServer v6.5 release notes found here
• XenServer v6.5 configuration maximums document found here
• Technical XenServer FAQ found here
• Licensing FAQ found here
• Download: http://www.citrix.com/products/xenserver/try.html
• Master Class recording: In a follow-up email
Follow us on Social Media - @CitrixXenServer, @XenServer