VMWare Training - Data Center Virtualization [VCA-DCV]

1. Module 1 - Fundamentals

1.1. OBJECTIVES

1.1.1. 1 - Define and describe the need for Data Center Virtualization

1.1.2. 2 - Provide an overview of the challenges that vSphere is intended to resolve

1.2. What is Data Center Virtualization?

1.2.1. Conversion of Hardware to Sofware

1.2.2. Physical Device Issues

1.2.2.1. Lots of different physical servers

1.2.2.2. Lots of physical power needed

1.2.2.3. Lots of cooling needed

1.2.2.4. Virtualization breaks the cycle of power consumption

1.2.3. Present Virtual Hardware - as software, running as a hyperviser

1.2.3.1. 1 - Original setup

1.2.3.1.1. Converted to...

1.2.4. Advantages

1.2.4.1. - Fewer pieces of hardware

1.2.4.2. -Save money of power and cooling

1.2.4.3. -Save on capital expenses and management costs

1.2.5. QUESTIONS Part 1 -

1.2.5.1. Select the advantages of DataCenter Virtualization

1.2.5.1.1. Answers...

1.2.6. What Data Center Virtualization does for you

1.2.7. .

1.2.7.1. .

1.2.8. .

2. Module 2 - Components of vSphere

2.1. OBJECTIVES

2.1.1. .

2.1.2. GOALS

2.1.2.1. .

2.2. Virtualization Concepts

2.2.1. What is a VM

2.2.1.1. -Virtual Hardware is really Software

2.2.1.2. -Replace and upgrade hardware on the fly!

2.2.1.3. - Add new devices without reboots

2.2.1.4. -Real OS

2.2.1.5. -Dedicated virtual hardware

2.2.1.6. -Real applicaitons

2.2.2. What they do

2.2.2.1. Snapshots

2.2.2.2. Image Backups

2.2.2.3. Add Virtual hardware on the fly

2.2.3. QUESTIONS 1

2.2.3.1. .

2.2.3.1.1. Answer....

2.3. VMware Data Center Software

2.3.1. Your host: The hypervisor

2.3.1.1. Resource traffic cop

2.3.1.2. Provide virtual hardware to virtual machines

2.3.1.3. Bare Metal and Hosted Hypervisor

2.3.1.3.1. Bare metal - physical device installed as OS

2.3.1.3.2. Hosted - VMWare Workstation

2.3.1.4. vCenter

2.3.1.4.1. IF you have a lot of ESXi hosts - manage them!

2.3.1.4.2. Works for 1 or 100 Hosts

2.3.1.4.3. Web host

2.3.1.4.4. Multi Tier organization

2.3.1.4.5. Lots of features

2.3.1.4.6. vMotion

2.3.1.4.7. DRS

2.3.1.4.8. DPM

2.3.1.4.9. Storage vMotion

2.3.1.4.10. Storage DRS

2.3.1.4.11. vSphere Data Protection

2.3.1.4.12. HA

2.3.1.4.13. FT

2.3.1.4.14. vSphere Replication

2.4. VMware vSphere Cluster Features

2.4.1. vMotion

2.4.1.1. Essentially copies Memory between ESXi hosts

2.4.1.2. If anything goes wrong, original host stays in control

2.4.1.3. Can migrate running virtual machines without shared storage!

2.4.2. DRS

2.4.2.1. Monitors CPU and Memory usage on hosts.

2.4.2.2. If unevenly burdened - end up with hot spot

2.4.2.3. Maintain rules that match business objectives

2.4.2.3.1. Binding or separating of machines (example redundacny)

2.4.3. DPM

2.4.3.1. Leverages DRS to consolidate VMs onto fewer hosts during non peak times.

2.4.3.1.1. Power on requires

2.4.4. Storage vMotion

2.4.4.1. Want to perform maintenance - but dont want downtime

2.4.4.1.1. Move storage location in real time

2.4.4.1.2. Move from host to local!

2.4.5. Storage DRS

2.4.5.1. Monitor storage habits of VMs - keep them more evenly loaded

2.4.5.2. Load balance - for storage hosts

2.4.5.3. Monitors I/O

2.4.5.4. Keeps things performing as smooth as possible

2.4.6. Storage I/O Control

2.4.6.1. VMs that suck up storage array - large database/email servers - consume lots of disk I/O

2.4.6.2. Slows down VMs

2.4.6.3. Typically share same storage devices - disproportionate share

2.4.6.4. Control Busy Virual VMs

2.4.6.4.1. .

2.4.7. vSphere Data Protection (VDP)

2.4.7.1. Can accidentally delete files still

2.4.7.2. Backup and Restore!

2.4.7.2.1. Backup

2.4.7.2.2. Restore

2.4.7.3. vSphere Web Client

2.4.7.3.1. .

2.4.7.4. Leverages Data Duplication

2.4.8. High Availability (HA)

2.4.8.1. Each ESXI host participates in communication

2.4.8.2. Restarts VM on a different Host

2.4.8.3. Each VM has a special set of software & drivers

2.4.8.4. Should connection fail - due to OS crash or instability

2.4.8.5. HA will restart VM for you!

2.4.8.6. What about a particular application stays online?

2.4.8.6.1. HA Can monitor services AND applications!

2.4.9. Fault Tolerance (FT)

2.4.9.1. Runs real time mirrored copy

2.4.9.2. Easy to configure

2.4.9.3. Requires room on secondary host

2.4.10. vSphere Replication (VR)

2.4.10.1. Copy VMs to a remote site in organization

2.4.10.2. Branch offices can replicate VMs to host office!

2.4.10.3. .

2.4.10.3.1. .

2.4.11. QUIZ

2.4.11.1. Questions...

2.4.11.1.1. Answers...

2.5. Data Storage Concepts

2.5.1. Overview

2.5.1.1. Storage

2.5.1.2. Networking

2.5.2. Shared Storage

2.5.2.1. Multiple computers access the same storage

2.5.2.2. If it were stored locally - and host crashed, couldn't move to another host!

2.5.2.3. REQUIRED FOR:

2.5.2.3.1. DRS (Distributed Resource Scheduler)

2.5.2.3.2. DPM (Distributed Power Management)

2.5.2.3.3. Storage DRS

2.5.2.3.4. HA (High Availability)

2.5.2.3.5. FT (Fault Tolerance)

2.5.3. Storage Types:

2.5.3.1. .

2.5.3.1.1. .

2.5.4. VSA

2.5.4.1. vSphere Storage Appliance

2.5.4.2. Allows shared storage in ESXI Hosts

2.5.4.3. Shared Virtual Storage!

2.5.4.4. Designate disks within ESXI Hosts

2.5.4.5. Intelligent replicated data between Hosts

2.5.4.6. Benefits

2.5.4.6.1. .

2.5.5. vFlash

2.5.5.1. Leverage internal SSD in ESXI hosts to accelerate read times!

2.5.5.2. Operates as Read Cache

2.5.5.3. Need at least 1 SSD Drive in ESXI Host

2.5.5.4. Configure VM Host to use SSD

2.5.5.4.1. .

2.5.6. DataStores

2.5.6.1. VMs don't know about underlying storage devices

2.5.6.2. Believe they are using SCSI devices

2.5.6.3. Everything is stored in CONTAINERS called Datastores.

2.5.6.3.1. .

2.5.6.4. VMFS vs NFS

2.5.6.4.1. VMFS

2.5.6.4.2. NFS

2.6. Network Concepts

2.6.1. Virtual Networking

2.6.1.1. ESXI Hosts use iSCSI, NFS, FCoE (IP Storage)

2.6.1.2. Also, managed by vCenter

2.6.1.2.1. vMotion

2.6.1.2.2. HA

2.6.1.2.3. DRS

2.6.1.3. VM Traffic

2.6.2. Address, virtual network card, virtual ethernet switches, virtual cables

2.6.3. Just make hardware into software!

2.6.3.1. .

2.6.4. Physical switch is now Virtual...

2.6.4.1. Use Virtual switches, or isolated networks for testing/development

2.6.5. Virtual Switch Types

2.6.5.1. Standard Virtual Switch

2.6.5.1.1. .

2.6.5.2. Distributed Virtual Switch

2.6.5.2.1. .

2.6.6. Virtual Networking Features

2.6.6.1. VLANS

2.6.6.1.1. Logical separation of network traffic.

2.6.6.1.2. Often used to isolate different subnetworks such as test or restore network

2.6.6.2. Traffic Shaping

2.6.6.2.1. Feature that allows restriction of inbound and outbound network bandwidth of a group of VMs

2.6.6.2.2. Help reduce congestion

2.6.6.3. Port Mirroring

2.6.6.3.1. Gives ability to monitor VMs traffic for troubleshooting or intrusion prevention

2.6.6.3.2. Allows capture all traffic to or from VM

2.6.6.4. QoS, DSCP

2.6.6.4.1. Networking Standards for prioritization

2.6.6.4.2. EX - Voice traffic from Call manager server

2.6.6.4.3. Netflow pulls in Comm data

2.6.6.5. CDP / LLDP

2.6.6.5.1. Discovery protocols used to identify neighboring network switches

2.6.6.6. QUIZ

2.6.6.6.1. Questions

2.7. VMware Data Center Products

2.7.1. Overview

2.7.1.1. .

2.7.2. Types

2.7.2.1. .

2.7.3. Additional Products

2.7.3.1. vCenter Operations Manager

2.7.3.1.1. How do you know when you're having a problem?

2.7.3.1.2. Get notified before problem

2.7.3.1.3. Trend/risk monitoring!

2.7.3.1.4. Efficiency issues

2.7.3.1.5. Works with vCenter to gather SuperMetrics

2.7.3.1.6. Dynamically adjusting thresholds

2.7.3.2. vCenter Configuration Manager

2.7.3.2.1. "nothing has changed...we didn't do anything"...

2.7.3.2.2. Change discovery AND correlation

2.7.3.2.3. View changes before - notifications with changes

2.7.3.2.4. Tied into vCenter - review and monitor changes in vCenter, ESXI hosts, and VMs

2.7.3.2.5. Compared configuration analysis vs 3rd party specs - automated

2.7.3.2.6. Automatically fix performance issues!

2.7.3.2.7. Great for Regulatory Compliance

2.7.3.2.8. Security tool - systematic hardening and auditing!

2.7.3.3. vCenter Site Recovery Manager

2.7.3.3.1. Test disaster recovery

2.7.3.3.2. Very hard to coordinate real restore

2.7.3.3.3. Perform frequent non-disruptive plan.

2.7.3.3.4. Anyone can initiate failover process

2.7.3.3.5. Choose between certain or ALL VMs

2.7.3.3.6. Replicate select VMs

2.7.3.3.7. Multiple points in time as well

2.7.3.4. REVIEW

2.7.3.4.1. .

3. Module 3 - Applying what you've learned

3.1. Topics Coverered

3.1.1. Availability Solutions

3.1.2. Scalability Solutions

3.1.3. Optimization Solutions

3.1.4. Management Solutions

3.2. OBJECTIVES

3.2.1. Describe how VMWare's products help solve business and technical challenges with regard to Data Center Virtualization

3.3. Review...

3.3.1. Overcome Challenges

3.3.1.1. Availability

3.3.1.2. Optimization

3.3.1.3. Scalability

3.3.1.4. Mangeability

3.4. Challenges

3.4.1. Issue

3.4.1.1. Answer...

3.4.1.1.1. .

3.4.2. Issue

3.4.2.1. Answer...

3.4.2.1.1. .

3.4.3. Issue

3.4.3.1. Answer...

3.4.3.1.1. .

3.4.4. Issue

3.4.4.1. Answer...

3.4.4.1.1. .

3.4.5. Issue

3.4.5.1. Answer...

3.4.5.1.1. .

3.4.6. Issue

3.4.6.1. Answer...

3.4.6.1.1. .

3.4.7. QUESTIONS:

3.4.7.1. .

3.4.7.1.1. Answers...

3.4.7.2. .

3.4.7.2.1. Answers...

3.4.7.3. .

3.4.7.3.1. Answers...

3.4.8. Benefits

3.4.8.1. VMs

3.4.8.1.1. .

3.4.8.2. Hot Add

3.4.8.2.1. .

3.4.8.3. VSA

3.4.8.3.1. .

3.4.8.4. DRS & SDRS

3.4.8.4.1. .

3.4.9. More Solutions

3.4.9.1. .

3.4.9.1.1. .

3.4.9.2. .

3.4.9.2.1. .

3.4.10. More Benefits

3.4.10.1. vC Ops

3.4.10.1.1. .

3.4.10.2. VM Storage Profiles

3.4.10.2.1. .

3.4.10.3. vC Ops

3.4.10.3.1. .

3.4.10.4. Distributed Switches with QoS

3.4.10.4.1. .

3.4.11. Mangement Quiz

3.4.11.1. Question

3.4.11.1.1. Answer.

3.4.12. More Product Solutions...

3.4.12.1. .

3.4.12.1.1. .

3.4.12.2. .

3.4.12.2.1. .

3.4.12.3. .

3.4.12.3.1. .

3.5. Review of Module

3.5.1. .

4. CONCLUSIONS

4.1. Why Use Data Center Virtualization?

4.1.1. .

4.1.2. .

4.1.3. .

4.2. Where to go from here...Implementation

4.2.1. Next Class.

4.2.2. Next Certification

4.3. END

4.3.1. Link to Certification