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Practical PowerCLI Examples for VMware Infrastructure Management

Improve your VMware infrastructure management with simple and practical examples using PowerCLI. Learn about new features, reporting, useful one-liners, and project Onyx. Get two free ebook copies for participating in the workshop.

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Practical PowerCLI Examples for VMware Infrastructure Management

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  1. Jonathan Medd PowerCLI Workshop London VMUG

  2. Je ne suis pas Alan Renouf • Today’s theme is simple and practical examples to improve the management of your VMware Infrastructure • What’s New? • Reporting • Useful One-Liners / Short Scripts • Project Onyx • VESI

  3. Buy this book Two ebook copies to give away to those who ask / answer questions

  4. You should also get this Practical PowerCLI examples side-by-side vSphere topics

  5. PowerCLI 4.0 U1 is out! • More than 60 new cmdlets since the last release earlier this year • Cmdlet reference is now online - http://bit.ly/6Cx1s7 • vSpherePowerCLI Administration Guide http://bit.ly/08iWLQK • Virtu-Al’s summary of the new cmdlets http://bit.ly/8KMGdg

  6. A few of the new cmdlets • Set-PowerCLIConfiguration -DefaultServerMode multiple • Stop-VMHost Server01 -Confirm (or –whatif) ;-) • Set-HardDisk -HardDisk $hd -CapacityKB $extendedCapacity -HostCredential $ hostCred -GuestCredential $guestCred

  7. PowerShell 2.0 is out! • More than 100 new cmdlets since v1.0 • Installed by default in Windows 7 / Server 2008 R2 • New features: Remoting, Advanced Functions, Background Jobs, ISE

  8. vCheck (Daily Report) • Schedule this report to run every day in your environment • Have a person dedicated to working through highlighted issues each day – if possible rotate between team members, say weekly • http://bit.ly/24KTGe

  9. vCheck

  10. vCheck – New in V3

  11. vCheck Examples - Snapshots • Do you know every old Snapshot you have? • Hassle the Snapshot Creator • Manage those which are required to be kept

  12. vCheck Examples – Too Many CPU’s • Weren’t aware of these until they turned up in the daily report • Could potentially cause some unnecessary high CPU %RDY times • All now down to 2 x vCPU

  13. vCheck Examples – VM’s on Local Storage • Often created ‘temporarily’ whilst waiting for SAN space. Still there months later. • Could effect host maintenance since can’t be VMotioned

  14. Find Host Version and Build • Get-VMHost | Get-View | Select-Object Name, @{N="Version";E={$_.config.product.version}}, @{N="Build";E={$_.config.product.build}} | Sort-Object Name | Export-CsvC:\Scripts\Hosts.csv -NoTypeInformation Demo: Get-View Exploring

  15. Who’s seen one of these? Or three in one month? Three different servers, same model, same ESX version, same CPU error

  16. Find Vendor, Model and Bios • Get-VMHost | Get-View | Select-Object Name, @{N="Vendor";E={$_.summary.hardware.vendor}}, @{N="Model";E={$_.summary.hardware.model}}, @{N="Bios Version";E={$_.hardware.biosinfo.biosversion}}, @{N="Release Date";E={$_.hardware.biosinfo.releasedate}} | Sort-Object Name | Export-Csv C:\Scripts\Bios.csv -NoTypeInformation Note: Some vendors don’t seem to be populating this information for all models

  17. SVMotion • Moved entire production infrastructure between SAN’s in different data centres with no downtime simply by scheduling these commands • Get-VM Server01 | Move-VM –Datastore (Get-DataStore Datastore10) • Combine with Import-CSV to make it even easier for large batches • Watch out for VM’s with multiple disks in different datastores if you have multiple target datastores

  18. Slot Size • What are ESX Slot Sizes? • ‘Prevent VMs from being powered on if they violate availability constraints’ • Cluster with seemingly plenty of capacity won’t power on VM’s. • Watch out for ‘expensive’ VM’s with CPU or Memory reservations, and / or vSMP

  19. Slot Size Code

  20. Project Onyx from PowerCLI team • Currently in Alpha • Think Macro Recorder for Excel • Best for automating things that can’t be automated using native PowerCLI cmdlets • Beats having to read the API documentation Project Onyx Demo

  21. The VESI • Offshoot from Quest PowerGUI tool • PowerShell scripts bundled up into a GUI interface • Great for beginners to use PowerShell scripts before getting to grips with writing your own • Great for more advanced scripters wishing to share code VESI Demo

  22. Resources • http://blogs.vmware.com/vipowershell/ • http://www.virtu-al.net/ • http://lucd.info/ • PowerCLI community forum http://bit.ly/6BwTUS

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