VMware vSphere Performance

1 - Cover [Seite 1]
2 - Title Page [Seite 5]
3 - Copyright [Seite 6]
4 - Contents [Seite 17]
5 - Chapter 1 Performance Design [Seite 25]
5.1 - Starting Simple [Seite 26]
5.1.1 - Determine Parameters [Seite 26]
5.1.2 - Architect for the Application [Seite 27]
5.1.3 - Assess Physical Performance [Seite 27]
5.1.4 - Start with Defaults [Seite 27]
5.2 - Establishing a Baseline [Seite 28]
5.2.1 - Baseline CPU Infrastructure [Seite 28]
5.2.2 - Memory [Seite 30]
5.2.3 - Network [Seite 31]
5.2.4 - Storage [Seite 33]
5.3 - Architecting for the Application [Seite 35]
5.4 - Considering Licensing Requirements [Seite 36]
5.5 - Integrating Virtual Machines [Seite 37]
5.5.1 - Virtual Machine Scalability [Seite 37]
5.5.2 - vMotion [Seite 37]
5.5.3 - Distributed Resource Scheduler [Seite 39]
5.5.4 - High Availability [Seite 40]
5.6 - Understanding Design Considerations [Seite 40]
5.6.1 - Choosing a Server [Seite 40]
5.7 - Summary [Seite 42]
6 - Chapter 2 Building Your Toolbox [Seite 45]
6.1 - Capacity Planning Tools [Seite 45]
6.1.1 - VMware Capacity Planner [Seite 45]
6.1.2 - Microsoft Assessment and Planning Toolkit [Seite 46]
6.1.3 - Using Capacity Planning Tools [Seite 46]
6.1.4 - Ongoing Capacity Management [Seite 47]
6.2 - Performance Analysis Tools [Seite 50]
6.2.1 - esxtop [Seite 50]
6.2.2 - vscsiStats [Seite 55]
6.3 - Performance Benchmarking Tools [Seite 58]
6.3.1 - VMmark [Seite 58]
6.3.2 - vBenchmark [Seite 59]
6.4 - Performance Simulation Tools [Seite 60]
6.4.1 - CPU/Memory [Seite 60]
6.4.2 - Storage [Seite 62]
6.4.3 - Network [Seite 65]
6.5 - Summary [Seite 66]
7 - Chapter 3 The Test Lab [Seite 69]
7.1 - Why Build a Test Lab? [Seite 69]
7.1.1 - Test Changes before Applying in Production [Seite 70]
7.1.2 - Test New Applications and Patches [Seite 71]
7.1.3 - Re-Create Production Problems [Seite 72]
7.1.4 - Simulate Performance Problems for Troubleshooting [Seite 74]
7.1.5 - Benchmark New Hardware [Seite 75]
7.1.6 - Learn about Virtualization [Seite 75]
7.2 - Strategies for a Successful Test Lab [Seite 79]
7.2.1 - Build a Realistic Environment [Seite 79]
7.2.2 - Building the Lab [Seite 80]
7.2.3 - Use Proper Tools for Measurement [Seite 82]
7.3 - How to Build Your Lab [Seite 82]
7.3.1 - Test Objective [Seite 82]
7.3.2 - Lab Summary [Seite 82]
7.3.3 - Provisioning the Lab [Seite 84]
7.3.4 - Defining the Workload and Configuration of IOmeter [Seite 84]
7.3.5 - Lab Postmortem [Seite 84]
7.4 - Summary [Seite 85]
8 - Chapter 4 CPU [Seite 87]
8.1 - Getting to Know the Basics of CPU Virtualization [Seite 87]
8.1.1 - Understanding CPU Protected Mode in the x86 Architecture [Seite 88]
8.1.2 - Defining the Types of CPU Virtualization [Seite 89]
8.1.3 - Distinguishing between Physical CPUs and Virtual CPUs [Seite 92]
8.1.4 - Understanding vCPU States [Seite 92]
8.2 - Introducing the ESXi CPU Scheduler [Seite 93]
8.2.1 - Understanding the Proportional Share-Based Algorithm [Seite 93]
8.2.2 - Understanding CPU Co-Scheduling [Seite 96]
8.2.3 - The CPU Scheduler Cell [Seite 97]
8.2.4 - Understanding CPU Topology-Aware Load Balancing [Seite 98]
8.2.5 - Multicore-Aware Load Balancing [Seite 106]
8.3 - Sizing CPU for Virtual Machines [Seite 108]
8.3.1 - Considerations for vSMP [Seite 109]
8.3.2 - Considerations for NUMA and vNUMA [Seite 110]
8.3.3 - Hot Plug of CPU Resources [Seite 110]
8.4 - Understanding CPU Resource Management [Seite 110]
8.4.1 - Understanding CPU Reservations [Seite 111]
8.4.2 - Understanding CPU Limits [Seite 112]
8.4.3 - Configuring CPU Reservations and Limits [Seite 112]
8.4.4 - Understanding Resource Pools [Seite 112]
8.5 - Troubleshooting CPU Performance Problems [Seite 115]
8.5.1 - Using esxtop to Diagnose CPU Performance Issues [Seite 115]
8.5.2 - High CPU Ready Time [Seite 117]
8.5.3 - High ESXi Host CPU Utilization [Seite 117]
8.5.4 - High Guest CPU Utilization [Seite 119]
8.6 - Summary [Seite 119]
9 - Chapter 5 Memory [Seite 121]
9.1 - Getting to Know ESXi Memory Management [Seite 121]
9.1.1 - Memory Virtualization [Seite 122]
9.1.2 - Memory Management in ESXi [Seite 123]
9.1.3 - Hardware-Assisted MMU Virtualization [Seite 125]
9.2 - Reclaiming Memory from VMs [Seite 125]
9.2.1 - Transparent Page Sharing [Seite 126]
9.2.2 - Ballooning [Seite 127]
9.2.3 - Memory Compression [Seite 132]
9.2.4 - Hypervisor Swapping [Seite 135]
9.2.5 - Host SSD Cache Swapping [Seite 136]
9.2.6 - Host Memory Reclamation [Seite 138]
9.2.7 - Idle Page Reclamation [Seite 138]
9.3 - Managing Virtual Machine Memory Allocation [Seite 139]
9.3.1 - Working Set Size [Seite 140]
9.3.2 - Proportional Share-Based Algorithm [Seite 140]
9.3.3 - Sizing Memory for Virtual Machines [Seite 145]
9.3.4 - Memory Overhead [Seite 146]
9.3.5 - Memory Overcommitment [Seite 147]
9.4 - Troubleshooting Memory Performance Problems [Seite 147]
9.4.1 - Using esxtop to Diagnose Memory Performance Issues [Seite 148]
9.4.2 - High VM Consumed Memory [Seite 151]
9.4.3 - High Memory Ballooning [Seite 151]
9.4.4 - Hypervisor Swapping [Seite 152]
9.4.5 - Guest Operating System Swapping [Seite 153]
9.5 - Summary [Seite 154]
10 - Chapter 6 Network [Seite 155]
10.1 - Creating a Network Design [Seite 155]
10.1.1 - Designing Your Physical Network [Seite 156]
10.2 - Choosing a Virtual Switch [Seite 157]
10.2.1 - Considering the Standard vSwitch [Seite 158]
10.2.2 - Considering the vSphere Distributed Switch [Seite 159]
10.2.3 - Considering the Cisco Nexus 1000V dvSwitch [Seite 162]
10.2.4 - Which Virtual Switch Do I Choose? [Seite 162]
10.3 - Selecting Host Hardware [Seite 163]
10.3.1 - Host Server Type [Seite 163]
10.3.2 - Network Adapters [Seite 165]
10.4 - Designing for Performance [Seite 166]
10.4.1 - ESXi Host-Level Performance [Seite 166]
10.4.2 - Virtual Machine Performance [Seite 174]
10.5 - Troubleshooting Networking Issues [Seite 179]
10.5.1 - Slow Virtual Machine Networking Performance [Seite 179]
10.6 - Summary [Seite 189]
11 - Chapter 7 Storage [Seite 191]
11.1 - Choosing Your Storage Platform [Seite 191]
11.1.1 - Storage Area Networks [Seite 192]
11.1.2 - Network File System [Seite 194]
11.1.3 - Virtual SAN [Seite 195]
11.2 - Designing Physical Storage [Seite 196]
11.2.1 - Determine Your Requirements [Seite 196]
11.2.2 - RAID Levels [Seite 199]
11.2.3 - Flash Infrastructure Layer [Seite 204]
11.2.4 - Networking for IP Storage [Seite 204]
11.3 - Designing vSphere Storage [Seite 207]
11.3.1 - Why Is Storage So Important? [Seite 207]
11.3.2 - VAAI [Seite 208]
11.3.3 - Storage I/O Control [Seite 211]
11.3.4 - Storage Distributed Resource Scheduler [Seite 215]
11.3.5 - Profile-Driven Storage [Seite 218]
11.3.6 - Datastore Size [Seite 223]
11.3.7 - vFlash Read Cache [Seite 224]
11.3.8 - Virtual SAN [Seite 233]
11.3.9 - Jumbo Frames for IP Storage [Seite 237]
11.4 - Optimizing Virtual Machine Performance [Seite 239]
11.4.1 - Raw Device Mapping vs. VMDK Files [Seite 239]
11.4.2 - Virtual Disk Type [Seite 240]
11.4.3 - Virtual SCSI Adapter [Seite 241]
11.4.4 - Guest OS Disk Alignment [Seite 244]
11.5 - Troubleshooting Storage Performance Issues [Seite 246]
11.5.1 - Storage Latency [Seite 247]
11.5.2 - Misconfigured Storage for Your Applications [Seite 251]
11.5.3 - Storage Queues [Seite 252]
11.5.4 - End-to-End Networking [Seite 254]
11.6 - Summary [Seite 255]
12 - Index [Seite 257]