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Physical vs. Virtual BackupsRick VanoverMCITP vExpert VCPVeeam Software

About the Speaker

Contributor to industry publications

Agenda

How backups for physical systems work

How backups for virtual machines work

What frameworks are available for backups

How restore situations are impacted

Service catalogs and virtualization’s impact

Opportunities by platform

Considerations for licensing, management and administration

How backups for physical systems work

Generally independent of server model Software installed within operating system (Agent)

PROs and CONs of Physical Backups

PROs

Easily backup physical systems Agents available many applications Granular control

and administration at each layer of backup infrastructure

Can be installed in virtual machine

CONs

May miss out on additionalframeworks and APIs

May not work correctly if agent is not running

Additional management burdenand permission configuration

Not necessarily optimized for virtual machines

PROs and CONs of Physical Backups

How backups for virtual systems work

Leverage platform features: Hyper-V and vSphere APIs Commands usually sent to a parent object: host, cluster,

management server, etc.

PROs

Easily backup virtual systems Can move data very fast Can be agentless-based backups Can be very easy to manage

CONs

Agentless backups may miss granular recovery or application consistency

Early generation virtual backups may only takecrash-consistent backups

Recovery may be complex

Key technology for both backups

Degrees of backup consistency Crash consistent File system consistent Application consistent

Best option for recoverability VSS shown below for Windows systems

SQL, Exchange, Active Directory,

Oracle, SharePoint

Backup software

Operating system, storage array

or system providerDisk volume

Volume Shadow Copy Service

Provider

RequestorWriters

More options with virtualization platforms

Framework such as APIs make

● vStorage APIs for data protection● Web Services● PowerShell● Windows Management Instrumentation

Many technologies for technology today

Impacts every area of datacenter Stakeholders need to be informed and satisfied Business discussions need to happen as well

Mix of technologies

The fact is, many environments will have both virtual machines and physical systems● Mainstream platforms● Different platforms, specialty systems

Multiple tools may be required for each platform to deliver the best results

Restore

Virtual Machines

Physical Machines

Common restore scenarios

File restores Most common restore situation Operating system type, file system, and permissions

are important

Application data restores Structured data constructs Items

Wildcard restores Don’t know what is needed, but not a whole system restore

Full restores

Important

Full restores are different for each platform

Physical machines Bare metal recovery options available Like hardware requirements may exist Base operating system and agent

Virtual machines Image-based can inject back into hypervisor Physical restore systems may work on virtual machines Abstracted restore destination inherently possible

Service catalogs and virtualization

Virtualization is impactful to existing procedures

Technologies Requirements

Regulation Compliance

Expectations

Scale

Funding

Current state

Abilities

Considerations for backups and data protection

Licensing● Scaling, purchasing, organic growth● Some amount of virtualization likely

Administration and operations● Updates● Data durability

Management● Ensuring proper visibility● Accommodate organic growth

What We Covered

How backups for physical systems work

How backups for virtual machines work

What frameworks are available for backups

How restore situations are impacted

Service catalogs and virtualization’s impact

Opportunities by platform

Considerations for licensing, management and administration

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