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XenServer 5.5
Czy można zaoszczędzić na
wirtualizacji serwerów? Darmowy
XenServer i komercyjny Essentials.

Przemek Zębik
SE Citrix Systems Eastern Europe

   © 2009 Citrix Systems, Inc. — All rights reserved
Server virtualisation: Myths (Gartner 12/2008)

          Myth 1: Server virtualization is widespread among enterprises
            Truth: Only 15% of all workloads are running on virtual machines toda
            - By 2012 it will rise up to 50%

          Myth 2: Users want to save money by virtualization
           Truth: The original reason to virtualize i mainly to reduce costs, but
                                                      is
           statistics show, that after a while IT flexibilty becomes priority number

          Myth 3: The market will soon head into a deadend street
           Truth: The market is large enough – Server virtualization,
           infrastructure management and – automation up to Cloud Computing.
           Server virtualization is well know to the Mainframe world for a long
           time(first release1972)

                        © 2009 Citrix Systems, Inc. — All rights reserved
Citrix XenServer



      © 2009 Citrix Systems, Inc. — All rights reserved
nearbare
© 2009 Citrix Systems, Inc. — All rights reserved
                                                      metalspee
XenServer –
Components and functionality
 omponents



      © 2009 Citrix Systems, Inc. — All rights reserved
asis of XenServer:
                                                                          Hypervisor optiona
en Hypervisor                                                             integrated into
                                                                          System-Firmware

                               Xen Hypervisor

el VT- and AMD V-
          Interface




                      © 2009 Citrix Systems, Inc. — All rights reserved
64 bit architecture                                                       High scalable



Open Source                          Xen Hypervisor                                         Secure
    industry                                                                                Design
   standard                                                                                 (verified by
                                                                                            NSA, CIA,
                                     Xen Hypervisor                                         Dept. of
                                                                                            Defense u.




                            © 2009 Citrix Systems, Inc. — All rights reserved
Updated Xen-Hypervisor for more performance

en 3.3-basis in XenServer 5.5
ptimized for Intel "Nehalem"
 d AMD "Shanghai"
ocessors
ew "Shadow" Page Table
rtualization support for huge
orkloads




                        © 2009 Citrix Systems, Inc. — All rights reserved
terprise virtualization and Cloud
                            Cloud-Computing
Center
ource Pools
                                                                            Comparable
Motion                                                                      functionality
red FC, iSCSI and NFS Storage                                                from other
                                                                             vendors at
                                                                             $5000+ per
download under www.citrix.com                                                   server

                        © 2009 Citrix Systems, Inc. — All rights reserved
Key Features – XenServer 5.5
 oud-Proven. Enterprise Class. Free.


                         •High-Performance, live VM disk snapshots
                               Performance,
   Enhanced
                         •Auto-select software
                               select software-based or SAN-based
   Snapshots             •GUI based administration
                          GUI


     Backup              • Enables third-party solutions to backup XenServer VM’s
                                         party
                         • VSS-based interface
                                based
   Enablement
                         • Fast cloning (10 seconds or less)



  Active Directory       • Eliminate Single User Administration Model (root)
    Integration          • Login to XenCenter using AD credentials
                         • Administrative Logs by user


                               © 2009 Citrix Systems, Inc. — All rights reserved
Citrix Essentials
Feature overview



      © 2009 Citrix Systems, Inc. — All rights reserved
Citrix Essentials
                                                                                 Essentials for XenServer
                                                                                 Platinum




                                                                                  • Provisioning Server
                                     Essentials for XenServer
                                                 or                               • Lab Management
                                     Enterprise                                   • Stage Management



      XenServer (free)                  •   High Availability                     •   High Availability
                                        •   Storage Link™                         •   Storage Link™
                                        •   Workload Balancing                    •   Workload Balancing
                                        •   Workflow Studio                       •   Workflow Studio


      •   E-Mail Alerting               •   E-Mail Alerting                       •   E-Mail Alerting
      •   XenMotion                     •   XenMotion                             •   XenMotion
      •   XenCenter                     •   XenCenter                             •   XenCenter
      •   Optional Support              •   Optional Support                      •   Optional Support



                             © 2009 Citrix Systems, Inc. — All rights reserved
Snapshots



© 2009 Citrix Systems, Inc. — All rights reserved
Snapshots with or without Storage

 LVHD (Logical Virtual Hard Disk
                            Disk)
 technology extends LVM SRs
 Best of both worlds
• Features from VHD
• Performance from LVM
 High-Performance, live VM Disk
 Snapshots
 Auto Select: Software- or SAN-based
                               based
 (StorageLink)
 GUI-based Administration

                         © 2009 Citrix Systems, Inc. — All rights reserved
Backup-Support
      -Support
      -



 © 2009 Citrix Systems, Inc. — All rights reserved
VM Backup
 Backup within guest
  • Like backup of physical machines
  • Backup-traffic has impact on performance from
    • Storage Fabric, Storage Array, VM Storage I/O, productiveVMs and hosts

 Better: XenServer 5.5 – supports consolidated backup
  • „Big Fat LUN“-Model
  • Proxy System adopts Offload of Backup activity of
    • Productive hosts and VMs
  • Backup-Traffic has impact on performance of
    • Storage Fabric, Storage Array, VM Storage I/O (impact on LUN)

 Best: StorageLink – lower performance impact
  • StorageLink uses Storage Array Snapshots
  • Offload of backup activitities of
    • Productive hosts, Storage Fabric, Storage Array

                                        © 2009 Citrix Systems, Inc. — All rights reserved
Active Directory
       Directory-Integration



       © 2009 Citrix Systems, Inc. — All rights reserved
Active Directory-Authentication
                 Authentication

 Gives XenServer management
 privileges to selected AD-Users
 Configurable via XenCenter and CLI
 One setup per Resource Pool
 no AD Schema extension
 Local Super User Account remains
 existant



                        © 2009 Citrix Systems, Inc. — All rights reserved
High Availablity



© 2009 Citrix Systems, Inc. — All rights reserved
High Availability

  XenApp        XenApp       XenApp                                                     XenApp        XenApp       XenApp
 Workload 1    Workload 2   Workload 3                                                 Workload 1    Workload 2   Workload 3

              XenServer 1                                                                           XenServer 2




                                                                                            1.   Standard HA Heartbeat
                                                                                            2.   Server failure
                                                                                            3.   HA Heartbeat fails
                                                                                            4.   Automatic VM restart
                                                    Shared Storage


                                   © 2009 Citrix Systems, Inc. — All rights reserved
High Availability




                                      Shared Storage


                    © 2009 Citrix Systems, Inc. — All rights reserved
Fault Tolerance – High Availability
 exclusively for Xen by Marathon




         © 2009 Citrix Systems, Inc. — All rights reserved
Workload Balancing and Optimization



           © 2009 Citrix Systems, Inc. — All rights reserved
Workload Balancing and Optimization

 Detailed capture of guest and host
 performance
 Policy-controlled Workload Balancing
 via XenServer Pools/Hosts
 Optimal Workload-Placement by
 XenMotion
 Historic analysis and trend-capturing
                             capturing
 for any type of planning



                        © 2009 Citrix Systems, Inc. — All rights reserved
Workload Balancing – important metrics
Parameter
 • CPU
 • Memory
 • Network Read
 • Network Write
 • Disc Read
 • Disk Write

Optimization recommendations
  • Will automatically be started, when
    threshold has been reached or
    exceeded
                          © 2009 Citrix Systems, Inc. — All rights reserved
Workflow Management
(Citrix Workflow Studio)



    © 2009 Citrix Systems, Inc. — All rights reserved
tomation of Workflows

allenge
Manual tasks are causing delays and errors
Script development requires time and skills
High Requirements on IT

vantages by
 rkflow Management
Automatiion of recurring tasks
Creates services by usage of Microsoft
Powershell™
Automatically sets up new servers



                                © 2009 Citrix Systems, Inc. — All rights reserved
Citrix Workflow Studio


                                • Composition of Workflows with a UI -
                                  without scripting
                                • Easy control of different Citrix products
                                • Quick integration of Citrix products and
                                  third party technologies




                  © 2009 Citrix Systems, Inc. — All rights reserved
Lab and Stage Management



      © 2009 Citrix Systems, Inc. — All rights reserved
T Lab Management – Buildup of a test environment
                       dup


     Development

                                    • Reproducible creation of test scenarios
     Test / QA                      • Control of server extensions
                                    • Ensuring consistent environments
      Training
                                    • Reproducible environments for
                                      troubleshooting
     Support



                   © 2009 Citrix Systems, Inc. — All rights reserved
Immediate operation for production- and test
                               production
                     environments
XenApp           XenApp        XenApp
workload         workload      workload

              XenServer Dev                                                                     XenServer Test




   XenApp           XenApp        XenApp                                             XenApp      XenApp          XenApp
   workload         workload      workload                                           workload    workload        workload




                                 © 2009 Citrix Systems, Inc. — All rights reserved
StorageLinkTM




© 2009 Citrix Systems, Inc. — All rights reserved
Enhanced Storage-Integration with StorageLink
                 Integration

                                                                         Virtualization can make the
 Virtual                                                                 integration into storage so
 Server                                                                  complex, that expensive Storage
                                                                         systems are treated like “dumb
                                                                         harddisks”

                                                                         Citrix StorageLink Technology
 Virtual      Citrix                                                     enables any virtual server to take
 Server    StorageLink              Storage
                                                                         advantage from the complete
                                                                         functionalities provided by the
                                                                         exisiting (and paid) Storage Syste
                     © 2009 Citrix Systems, Inc. — All rights reserved
Open Standard StorageLink Gateway - Overview
I-S i (Storage
nagement Initiative-
ecification) is the
ferred method for
 gration, because there
 o additional
 elopment necessary
                                                                              XenServer


                                                    Dell




                                                                                          Vendor specific VSM
                                                                                          Storage-Adapter are
                                                                                          running in separate
                                                                                          processes
                          © 2009 Citrix Systems, Inc. — All rights reserved
Citrix Ready Open Storage-Programm
                          Programm
nbreakable operation with Essentials for XenServer
                             entials




                         © 2009 Citrix Systems, Inc. — All rights reserved
© 2009 Citrix Systems, Inc. — All rights reserved

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XenServer 5.5 - Czy można zaoszczędzić na wirtualizacji serwerów? Darmowy XenServer i komercyjny Essentials.

  • 1. Sponsor platynowy: XenServer 5.5 Czy można zaoszczędzić na wirtualizacji serwerów? Darmowy XenServer i komercyjny Essentials. Przemek Zębik SE Citrix Systems Eastern Europe © 2009 Citrix Systems, Inc. — All rights reserved
  • 2. Server virtualisation: Myths (Gartner 12/2008) Myth 1: Server virtualization is widespread among enterprises Truth: Only 15% of all workloads are running on virtual machines toda - By 2012 it will rise up to 50% Myth 2: Users want to save money by virtualization Truth: The original reason to virtualize i mainly to reduce costs, but is statistics show, that after a while IT flexibilty becomes priority number Myth 3: The market will soon head into a deadend street Truth: The market is large enough – Server virtualization, infrastructure management and – automation up to Cloud Computing. Server virtualization is well know to the Mainframe world for a long time(first release1972) © 2009 Citrix Systems, Inc. — All rights reserved
  • 3. Citrix XenServer © 2009 Citrix Systems, Inc. — All rights reserved
  • 4. nearbare © 2009 Citrix Systems, Inc. — All rights reserved metalspee
  • 5. XenServer – Components and functionality omponents © 2009 Citrix Systems, Inc. — All rights reserved
  • 6. asis of XenServer: Hypervisor optiona en Hypervisor integrated into System-Firmware Xen Hypervisor el VT- and AMD V- Interface © 2009 Citrix Systems, Inc. — All rights reserved
  • 7. 64 bit architecture High scalable Open Source Xen Hypervisor Secure industry Design standard (verified by NSA, CIA, Xen Hypervisor Dept. of Defense u. © 2009 Citrix Systems, Inc. — All rights reserved
  • 8. Updated Xen-Hypervisor for more performance en 3.3-basis in XenServer 5.5 ptimized for Intel "Nehalem" d AMD "Shanghai" ocessors ew "Shadow" Page Table rtualization support for huge orkloads © 2009 Citrix Systems, Inc. — All rights reserved
  • 9. terprise virtualization and Cloud Cloud-Computing Center ource Pools Comparable Motion functionality red FC, iSCSI and NFS Storage from other vendors at $5000+ per download under www.citrix.com server © 2009 Citrix Systems, Inc. — All rights reserved
  • 10. Key Features – XenServer 5.5 oud-Proven. Enterprise Class. Free. •High-Performance, live VM disk snapshots Performance, Enhanced •Auto-select software select software-based or SAN-based Snapshots •GUI based administration GUI Backup • Enables third-party solutions to backup XenServer VM’s party • VSS-based interface based Enablement • Fast cloning (10 seconds or less) Active Directory • Eliminate Single User Administration Model (root) Integration • Login to XenCenter using AD credentials • Administrative Logs by user © 2009 Citrix Systems, Inc. — All rights reserved
  • 11. Citrix Essentials Feature overview © 2009 Citrix Systems, Inc. — All rights reserved
  • 12. Citrix Essentials Essentials for XenServer Platinum • Provisioning Server Essentials for XenServer or • Lab Management Enterprise • Stage Management XenServer (free) • High Availability • High Availability • Storage Link™ • Storage Link™ • Workload Balancing • Workload Balancing • Workflow Studio • Workflow Studio • E-Mail Alerting • E-Mail Alerting • E-Mail Alerting • XenMotion • XenMotion • XenMotion • XenCenter • XenCenter • XenCenter • Optional Support • Optional Support • Optional Support © 2009 Citrix Systems, Inc. — All rights reserved
  • 13. Snapshots © 2009 Citrix Systems, Inc. — All rights reserved
  • 14. Snapshots with or without Storage LVHD (Logical Virtual Hard Disk Disk) technology extends LVM SRs Best of both worlds • Features from VHD • Performance from LVM High-Performance, live VM Disk Snapshots Auto Select: Software- or SAN-based based (StorageLink) GUI-based Administration © 2009 Citrix Systems, Inc. — All rights reserved
  • 15. Backup-Support -Support - © 2009 Citrix Systems, Inc. — All rights reserved
  • 16. VM Backup Backup within guest • Like backup of physical machines • Backup-traffic has impact on performance from • Storage Fabric, Storage Array, VM Storage I/O, productiveVMs and hosts Better: XenServer 5.5 – supports consolidated backup • „Big Fat LUN“-Model • Proxy System adopts Offload of Backup activity of • Productive hosts and VMs • Backup-Traffic has impact on performance of • Storage Fabric, Storage Array, VM Storage I/O (impact on LUN) Best: StorageLink – lower performance impact • StorageLink uses Storage Array Snapshots • Offload of backup activitities of • Productive hosts, Storage Fabric, Storage Array © 2009 Citrix Systems, Inc. — All rights reserved
  • 17. Active Directory Directory-Integration © 2009 Citrix Systems, Inc. — All rights reserved
  • 18. Active Directory-Authentication Authentication Gives XenServer management privileges to selected AD-Users Configurable via XenCenter and CLI One setup per Resource Pool no AD Schema extension Local Super User Account remains existant © 2009 Citrix Systems, Inc. — All rights reserved
  • 19. High Availablity © 2009 Citrix Systems, Inc. — All rights reserved
  • 20. High Availability XenApp XenApp XenApp XenApp XenApp XenApp Workload 1 Workload 2 Workload 3 Workload 1 Workload 2 Workload 3 XenServer 1 XenServer 2 1. Standard HA Heartbeat 2. Server failure 3. HA Heartbeat fails 4. Automatic VM restart Shared Storage © 2009 Citrix Systems, Inc. — All rights reserved
  • 21. High Availability Shared Storage © 2009 Citrix Systems, Inc. — All rights reserved
  • 22. Fault Tolerance – High Availability exclusively for Xen by Marathon © 2009 Citrix Systems, Inc. — All rights reserved
  • 23. Workload Balancing and Optimization © 2009 Citrix Systems, Inc. — All rights reserved
  • 24. Workload Balancing and Optimization Detailed capture of guest and host performance Policy-controlled Workload Balancing via XenServer Pools/Hosts Optimal Workload-Placement by XenMotion Historic analysis and trend-capturing capturing for any type of planning © 2009 Citrix Systems, Inc. — All rights reserved
  • 25. Workload Balancing – important metrics Parameter • CPU • Memory • Network Read • Network Write • Disc Read • Disk Write Optimization recommendations • Will automatically be started, when threshold has been reached or exceeded © 2009 Citrix Systems, Inc. — All rights reserved
  • 26. Workflow Management (Citrix Workflow Studio) © 2009 Citrix Systems, Inc. — All rights reserved
  • 27. tomation of Workflows allenge Manual tasks are causing delays and errors Script development requires time and skills High Requirements on IT vantages by rkflow Management Automatiion of recurring tasks Creates services by usage of Microsoft Powershell™ Automatically sets up new servers © 2009 Citrix Systems, Inc. — All rights reserved
  • 28. Citrix Workflow Studio • Composition of Workflows with a UI - without scripting • Easy control of different Citrix products • Quick integration of Citrix products and third party technologies © 2009 Citrix Systems, Inc. — All rights reserved
  • 29. Lab and Stage Management © 2009 Citrix Systems, Inc. — All rights reserved
  • 30. T Lab Management – Buildup of a test environment dup Development • Reproducible creation of test scenarios Test / QA • Control of server extensions • Ensuring consistent environments Training • Reproducible environments for troubleshooting Support © 2009 Citrix Systems, Inc. — All rights reserved
  • 31. Immediate operation for production- and test production environments XenApp XenApp XenApp workload workload workload XenServer Dev XenServer Test XenApp XenApp XenApp XenApp XenApp XenApp workload workload workload workload workload workload © 2009 Citrix Systems, Inc. — All rights reserved
  • 32. StorageLinkTM © 2009 Citrix Systems, Inc. — All rights reserved
  • 33. Enhanced Storage-Integration with StorageLink Integration Virtualization can make the Virtual integration into storage so Server complex, that expensive Storage systems are treated like “dumb harddisks” Citrix StorageLink Technology Virtual Citrix enables any virtual server to take Server StorageLink Storage advantage from the complete functionalities provided by the exisiting (and paid) Storage Syste © 2009 Citrix Systems, Inc. — All rights reserved
  • 34. Open Standard StorageLink Gateway - Overview I-S i (Storage nagement Initiative- ecification) is the ferred method for gration, because there o additional elopment necessary XenServer Dell Vendor specific VSM Storage-Adapter are running in separate processes © 2009 Citrix Systems, Inc. — All rights reserved
  • 35. Citrix Ready Open Storage-Programm Programm nbreakable operation with Essentials for XenServer entials © 2009 Citrix Systems, Inc. — All rights reserved
  • 36. © 2009 Citrix Systems, Inc. — All rights reserved