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Index
vSphere High Performance Essentials Credits About the Author About the Reviewers www.PacktPub.com Support files, eBooks, discount offers, and more Why subscribe? Free access for Packt account holders Instant updates on new Packt books Preface What this book covers What you need for this book Who this book is for Conventions Reader feedback Customer support Downloading the color images of this book Errata Piracy Questions 1. Hardware Design Concepts and Best Practices Optimizing CPU and memory configurations Understanding the CPU configuration variety Cores and threads Configuring Hyper-threading Intel vs. AMD Getting real Understanding memory configurations Choosing adequate server designs Conventional tower and rack servers Blade-based approach Hyper-converged infrastructure Nutanix SimpliVity OmniCube VMware EVO:RAIL Comparison of products Optimizing storage hardware design Understanding storage type possibilities Hard disk drives Pick the right HDD type Solid-state drives Single-level cell SSDs Multi-level cell SSDs Pick the right SSD type Hybrid drives Evaluating shared storage design concepts Storage area network concepts Fibre Channel, Fibre Channel over Ethernet, and iSCSI Network-attached storage approach VMware vSphere® Storage APIs – Array Integration Thin-provisioning capabilities VMware Virtual SAN Choosing the right storage concept for you Planning network infrastructure designs Understanding network cards and media variety Copper Fiber Media comparison Planning network switch design STP network card variety Ports and speeds Vendors Feature comparison Network design examples Use case 1: Rack-server setup Use case 2: Blade-server scenario Summary 2. Cluster Optimization Approaches Cluster hardware design concepts Cluster examples Creating a cluster Improving resource pools Understanding resource pools Optimizing resource pools Distributed resource scheduler Working of DRS Configure DRS Enhanced vMotion capability Configuring EVC Affinity and anti-affinity rules Configuring affinity/anti-affinity rules Example 1: VM-VM relationship Example 2: VM-Host relationship Distributed power management High Availability Virtual machine monitoring HA admission control It's all about slots Resource percentage reservation Example calculation Picking the right mechanism Datastore heartbeating Fault Tolerance Summary 3. Understanding CPU Resources How CPU virtualization works Resource mapping and scheduling Virtual machine monitor Memory management unit Changing execution and MMU modes Non-uniform memory access NUMA under vSphere – vNUMA Action-affinity and NUMA thrashing Guest operating system support The vCPU design approaches Getting real Latency-sensitive workloads Latency-sensitive tweaking Host settings DirectPath I/O and single root I/O virtualization Configuring single root I/O virtualization Summary 4. Understanding Memory Resources Understanding memory types Memory mapping and utilization Memory reclamation Transparent page sharing Ballooning Compression and swapping Summary 5. Performance Monitoring with vCenter Server Introducing vCenter Server metrics Configuring vCenter Server metrics The vCenter Server settings Thresholds and limits Example calculation Default settings Enhanced statistics Discussing vCenter Server metrics Utilizing metrics Creating a customized performance chart CPU metrics Memory metrics Storage metrics Virtual disk Datastore Disk Networking metrics Identifying performance bottlenecks Example use case 1 – CPU bottlenecks Example use case 2 – poor storage Example use case 3 – networking issues Summary 6. Implementing High-Performance Storage General storage recommendations Optimizing SAN resources Hardware basics – components and cabling Implementing larger LUNs with VMFS Raw device mapping I/O alignment Verify VM alignment Microsoft Windows Linux Optimizing NFS resources Jumbo frames Utilizing virtual flash resources Preparing virtual flash resources Configuring Virtual Flash Read Cache Configuring Virtual Flash Host Swap Cache Storage I/O Control Configuring SIOC Storage DRS Configuring Storage DRS Summary 7. Implementing High-Performance Networking Recap – planning high-performance network architectures Configuring vNetwork switches The vSwitches, dvSwitches, or Hybrid? Mastering teaming and load balancing Network offloading Configuring offloading on ESXi Configuring offloading on Microsoft Windows Configuring offloading on Linux Network I/O Control Configuring Network I/O Control Mapping resource pools and port groups Settings reservations and shares on a per-VM basis Summary 8. Performance Monitoring with esxtop Introduction to esxtop and resxtop Access esxtop using DCUI Access esxtop using SSH Accessing esxtop remotely The resxtop utility The vSphere Management Assistant VisualEsxtop Common shortcuts, metrics, and views CPU Memory Storage Network Capture and analyze data Utilize esxtop to record data Analyze data with PerfMon Getting real Example 1 – poor CPU resources Example 2 – poor memory resources Example 3 – poor storage resources Summary 9. Guest Operating System Performance Monitoring and Tweaking Storage provisioning types Generic storage tips SCSI controller types Performance comparison Dedicated SCSI controllers Virtual network cards and drivers Performance comparison Common filesystems tweaks Linux mount options and I/O schedulers Swapping and paging considerations Huge pages and large pages Enabling large pages on ESXi Enabling large pages on Linux Enabling large pages on Windows Swap file placement Linux swap usage Virtual machine benchmarking I/O benchmarks using Iometer Crunching your hard drive Network benchmarks using iperf Parameters Make your network cables glow Application-related benchmarking tools VMware Tools Automatic upgrades VMware Tools 10 Upgrade to VMware Tools 10 Summary Index
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