dit document bevat een samenvatting dat alle ins en outs bevat per hoofdstuk. ook zijn er vragen aanwezig die je kennis over het hoofdstuk toetsen. Het document is deels engels en deels Nederland (door alle ICT termen komt er engelse taal in voor)
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1. H1 tm H13
VIRTUALISATION
Stan van der Veen
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Chapter 1 introducting vSphere..............................................................................................................2
...........................................................................................................................................................3
Chapter 2 planning and installing...........................................................................................................5
Chapter 3Understand the components and role of vCenter Server and Platform Services Controller...7
Chapter 4 Update Manager& support tools.........................................................................................11
Chapter 5 creating and configuring a vSphere Network.......................................................................13
Chapter 6 creating and configuring storage devices.............................................................................17
Chapter 7 High Availability...................................................................................................................22
Chapter 8 securing VMware vSphere...................................................................................................25
Chapter 10 using templates and vApps................................................................................................28
Chapter 11 managing resource allocation............................................................................................30
Chapter 12 balancing resource utilization............................................................................................33
Chapter 13 monitoring VMware vSphere performance.......................................................................36
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Stan van der Veen ICT IBBA2
,Chapter 1 introducting vSphere
1.1 VMware ESXi
VMware vSphere 6.7 = "sphere" (group) of products
Vmware ESXI :
type 1 hypervisor; runs the Vmkernel
No linux-based serice console
Type 1 hypervisors = run directly on the system hardware and thus are often referred to as bare-
metal hypervisors.
Type 2 hypervisors = require a host operating system, and the host operating system provides I/O
device support and memory management.
VMware ESXi is a Type 1 bare-metal hypervisor
1.2 Vmware vCenter Server
Provides a centralized management platform and framework for ESX; hosts and their VMs based on
linux
Provides:
-VM templates
-VM customization
-rapid provisioning and deployment of VMs,
-role-based access controls(RBAC)
-fine-grained resource allocation controls
-vSphere Distributed Resource Scheduler
-vSphere High Availability
-vSphere Fault Tolerance
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Stan van der Veen ICT IBBA2
, Package options
vCenter Server Essentials Small ofice
vCenter Server foundation Vcenter server fuctionallity but limited hosts
vCenter Server standard Vcenter server fuctionallityr including provisioning,
management, monitoring, and automation.
1.3 VUM virtual machine update manager
Scans for updates/outdated systems and installs based on rules
1.4 VMware vSphere Client and vSphere Host Client
User interface for managing a virtual infrastructure
1.5 vSphere vMotion and storage motion
vMotion = ESX;/vCenter server feautre that allows lifemigration of virtual machines
Vmotion means the execution of a VM, relocating the CPU and memory footprint
Storage vmotion= migrates VM storage but not CPU&memory
1.6 DRS vSphere Distributed Resource Scheduler
DRS = automates vMotion operations (e.g clusters)
ANESXI cluster aggregates CPU power and memory of all hosts
DRS automates VM placement on startup and moves VM's if there is imbalance
1.7 SDRS vSphere Storage DRS
Storage DRS: balances storage capacity and performance in a cluster just like DRS, data store clusters
are used for this
1.8 SIOC /NIOC Storage/network I/O control
SIOC: assign storage priority and limits to VM's
NIOC: assign bandwith priority and limits to VM's
1.9 SBPM storage-based Policy management
VM storage profiles :assign storage requirements for a VM and its virtual disks
1.10 HA vSphere High Availability
vSphere HA: automates moving and restarting VM's that were running on an ESX; host during server
failure
this minimizes unplanned downtime because of an ESX; host failure
HA doesn’t provide failover for quest OS failure
Proactive HA: uses hardware monitoring to proactively move VM's from a host with hardware issues
1.11 FT vSphere Fault Tolerance
vSphere FT monitors a mirrored secondary VM on a separate physical host with a primary VM
Fast checkpointing technology supports FT of VM's with one to four CPU's
Automatically re-creates a secondary VM on another host if the host for the primary fails
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Stan van der Veen ICT IBBA2
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