Sessions about to start – Get your rig on!. Ben Adamson @BWAdamson.
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Transcript of Sessions about to start – Get your rig on!. Ben Adamson @BWAdamson.
![Page 1: Sessions about to start – Get your rig on!. Ben Adamson @BWAdamson.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649dc65503460f94aba3db/html5/thumbnails/1.jpg)
Sessions about to start – Get your rig on!
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Monitor Virtualisation in System Centre5 things you must knowBen Adamson@BWAdamson
DCI308
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“The task of the right eye is to peer into the telescope, while the left eye peers into the microscope.”
• Leonora Carrington
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Session Objectives
• Understand useful metrics• Get the best from System Center• Other tips
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Agenda
Options for virtualisation monitoring
Why use System Centre?
Context
Key metrics
Trending and Analysis
Capacity Planning
Knowledge/Automation
5
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Monitoring options
• vCenter• Agent in the VM• SNMP• Syslog• VMware Web Service SDK (API)
• VMM • Agent in the VM • SNMP • Local tools • Task manager – Perf Counters -
Logman
• SCOM
VMware Hyper-V
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System Center Operations Manager
Management Packs inject intelligence
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Single Tool for Centralized Monitoring• Monitor with the
entire stack in mind• Key Benefits• Single View Across Platforms• Available Knowledge Base• Monitoring End-to-End• Determining Root Cause
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Free Stuff
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top5
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Do something to join the dots#1
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5 key concepts for monitoring virtualization1. You need a map• Track relationships & dependencies
2. Visualize as you virtualize• Dashboards & Reports. Context is key
3. Everybody has to share • Understand resource sharing and over-commitment
4. Look to the future• Use forecasting, trending, modelling
5. Knowledge is power• KB guidance is essential for lower time-to-resolution
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Key events: Availability and configuration• Availability and Status • VMs
• Hosts• Storage • Network• Hardware
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Demo
Maps in System Center
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Visualize Key Metrics#2
Image Source: http://www.humcaff.org
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5 Key concepts for monitoring virtualization1. You need a map
• Track relationships & dependencies
2. Visualize as you virtualize• Dashboards & Reports. Context is key
3. Everybody has to share • Understand resource sharing and over-commitment
4. Look to the future• Use forecasting, trending, modelling
5. Knowledge is power• KB guidance is essential for lower time-to-resolution
![Page 17: Sessions about to start – Get your rig on!. Ben Adamson @BWAdamson.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649dc65503460f94aba3db/html5/thumbnails/17.jpg)
Demo
Visualisation in SCOM
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Monitoring Hyper-V CPU Performance
• Measure guest operating system processor utilization [Hyper-V Hypervisor Logical Processor(_Total)\% Total Run Time] [\Hyper-V Hypervisor Virtual Processor(*)\%Guest Run Time]
• Less than 60% consumed = Healthy• 60% - 89% consumed = Monitor or Caution• 90% - 100% consumed = Critical, performance will be adversely affected
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Task Manager?
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Root Partition Child Partition Child Partition
HypervisorDevices Processors Memory
Server
IO stac
k
VSCs
VMbus
Child Partition
Server
IO stac
k
VSCs
VMbus
IO stac
k
Drivers
VSPs
VMbus
Why monitoring Host CPU counters are inaccurate?
Shared memory
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Hyper-V Task Manager
Demo
Free Tool
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Wee tip – CPU HotAdd in Hyper-V
%
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Magical CPU HotAdd
Using reservations and limitsDemo
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Monitoring Network Performance / Capacity• Test Network Latency – Ping• Test Packet Loss – pathping• Test Network File Transfers – Copy• Network Utilization Monitoring: \Network Interface(*)\Bytes
Total/sec• Less than 40% = Healthy
• 41%-64% = Monitor or Caution
• 65-100% = Critical, performance will be adversely affected
• Bottlenecks: \Network Interface(*)\Output Queue Length • 0 = Healthy
• 1-2 = Monitor or Caution
• Greater than 2 = Critical, performance will be adversely affected.
• MTU settings must be the same for ALL
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Demo
Pathping Task
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Memory monitoring• Dynamic memory• Aim high and hit low
• Numa vs Dynamic Memory
• Memory Balloon, <50% • Can cause high disk I/O in-VM due to
paging • Memory Swapping, = 0!
• Swapfile use is last resort for the Host
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Key metrics : Storage• Storage space • Disk Pressure is a factor!
• Minimum free space >100 MB• At this point VM corruption will occur
• Track ‘garbage/unknown’ files• Also track Snapshots/Checkpoints• Relate VMs to Storage
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Key metrics : Storage• Storage space• Storage Latency
• Kernel Latency within Host ~0ms• Device Latency on backend <20ms• Find the hotspots of high I/O
• Relate VMs to Datastores
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StorageReporting
Demo
Wee Bonus Tip –
Rebrand reports
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Everyone shares the hot-tub
#3
Image Source: http://www.moviebreak.de/
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5 Key concepts for monitoring virtualization1. You need a map
• Track relationships & dependencies
2. Visualize as you virtualize• Dashboards & Reports. Context is key
3. Everybody has to share • Understand resource sharing and over-commitment
4. Look to the future• Use forecasting, trending, modelling
5. Knowledge is power• KB guidance is essential for lower time-to-resolution
![Page 32: Sessions about to start – Get your rig on!. Ben Adamson @BWAdamson.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649dc65503460f94aba3db/html5/thumbnails/32.jpg)
Key metrics : Over-commitment
• CPU Pressure • # of running VM vCPU per Host Core• High ratio can impact vSphere CPU Scheduler• Absolute maximum = 25• Best practice 4 - 8
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Key metrics : Over-commitment
• CPU Pressure• Memory Pressure
• Memory allocated versus physical RAM available• vSphere shares very efficiently (TPS) – but:• High values can cause ballooning, or even swapping
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Key metrics : Over-commitment
• CPU Pressure• Memory Pressure• Disk Pressure
• Disk space allocated versus capacity• No real performance impact – but:• If VMs start to use their allocation – physical capacity can fill quickly
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Demo
Hot Tub
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A crystal-ball is awfully handy#4
Image Source: http://www.memecenter.com
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5 Key concepts for monitoring virtualization1. You need a map
• Track relationships & dependencies
2. Visualize as you virtualize• Dashboards & Reports. Context is key
3. Everybody has to share • Understand resource sharing and over-commitment
4. Look to the future• Use forecasting, trending, modelling
5. Knowledge is power• KB guidance is essential for lower time-to-resolution
![Page 38: Sessions about to start – Get your rig on!. Ben Adamson @BWAdamson.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649dc65503460f94aba3db/html5/thumbnails/38.jpg)
Key Factors• Pressure metrics• Capacity• Alert trending• ‘What if’ and ‘where’?
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Demo
Capacity planning and forecasting
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Knowledgeis Power#5
Image Source: http://yuegroup.ust.hk
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5 Key concepts for monitoring virtualization1. You need a map
• Track relationships & dependencies
2. Visualize as you virtualize• Dashboards & Reports. Context is key
3. Everybody has to share • Understand resource sharing and over-commitment
4. Look to the future• Use forecasting, trending, modelling
5. Knowledge is power• KB guidance is essential for lower time-to-resolution
![Page 42: Sessions about to start – Get your rig on!. Ben Adamson @BWAdamson.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649dc65503460f94aba3db/html5/thumbnails/42.jpg)
Knowledge is power
• SCOM kb guidance is vital• Mean-time-to-resolution• Proactive automated management
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Demo
Knowledge Base
Wee Bonus Tip
VMware Orchestration
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Q&A
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5
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Veeam Management Pack for System Center
veeam.com/mp
Learning
Microsoft Certification & Training Resources
www.microsoft.com/learning
TechNet
Resources
Sessions on Demand
http://channel9.msdn.com/Events/TechEd
Resources for IT Professionals
http://microsoft.com/technet
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Related content
Live demos at the booth
Find Me Later At...the booth
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Thanks! Don’t forget to complete your evaluations
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