Parallels Virtualization ContainersHigh Availability & Disaster RecoveryJamison Moore

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|| Parallels Summit 2009 | Las Vegas | Mandalay Bay

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Agenda

CONTAINERS OVERVIEWParallels Virtuozzo Containers – HA/DR

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Parallels Virtualization Technologies

Guest OSGuest OSGuest OS

VM 1 VM 2 VM 3

Virtual Hardware Virtual Hardware Virtual Hardware

Virtual Machine Monitor

Hypervisor or Standard Host OS

Hardware

Hypervisor

• Virtualizes access to hardware• Mix and Match Operating Systems• Minimal / Moderate Overhead• Parallels Server, Workstation, Desktop

• Virtualizes access to OS• Single OS per server (Windows/Linux)• Minimal Performance Overhead• Parallels Virtuozzo Containers

Container1

Container2

Container3

Standard Host OS

Hardware

OS Virtualization Layer

OS Virtualization

OS Virtualization(Containers)

Hardware Virtualization(Hypervisors)

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Parallels Virtuozzo Containers

Comprehensive Management• Global, Multi-server management• Granular roles based permissions

Powerful and Extensible• Dynamic HTML, AJAX• SOAP, XML, RPC, CLI, SNMP, AD & LDAP

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High Density Partitioning100s+ of containers on a single server

Complete Container IsolationProcesses, sessions, users, files, registry/proc, pipes, NIC, IP addresses, ports, routing tables…

Dynamic Resource ManagementCPU, memory, disk, I/O, & system resources

Mass Patch & Application ManagementStreamlined OS updates, and deployments of containers and applications

Parallels Virtuozzo Containers

DISASTERSParallels Virtuozzo Containers – HA/DR

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Disasters Come in Many Forms

Human ErrorPower FailureHardware/Software FailureNetwork FailureHackers/Worms/Viruses Burglary/VandalismTerrorism/SabotageExplosionFloodingFireLightening EarthquakeTornadoHurricane

Disaster : any sudden, unplanned event that disrupts critical business functions.

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The Cost of a Disaster

Average cost of downtime PER HOUR:

– Retail brokerage - $6.45 mil

– Credit card sales authorization - $2.60 mil

– Airline reservation centers - $89,500– Computer Networks - $42,000

43% of firms that suffer massive data loss will never re-open

Disaster Recovery Journal

*Gartner**Pepperdine University Report

**

*

80% of failures are due to 80% of failures are due to human errorhuman error

Gartner

Average cost of data loss PER INCIDENT:

– Technical services cost, lost productivity/data - ~ $4000

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Planning for Disasters

Nobody plans to fail, they simply fail to plan

CLUSTERINGParallels Virtuozzo Containers HA/DR

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What is Parallels Virtuozzo Clustering?

Servers working together to increase availability

Cluster

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Supported Clustering Modes

Physical to Container

BOOM

BOOM

• A dedicated standby node is not required for either clustering mode

• Less hardware & maintenance = Substantial upfront & annual cost savings!

• Eliminate standby hardware for just 100 nodes and save ~$200K+ annually

Physical to Physical

Cluster Cluster

BOOM

BOOM

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Dedicated Standby Node

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While Parallels Virtuozzo Containers Supports clustering without it, a dedicated standby node is optional.

More Hardware & Maintenance = Additional Upfront & Annual Costs

Cluster

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Virtuozzo Clustering Best Practices• Leverage fencing devices when possible

• Allow heartbeat over private and public NICs

• Virtuozzo Containers up to date with latest patches

• Patch level parity among nodes is recommended

• The Standby node is of equal or better performance

• Use separate disk resources for logs & Container data

• Use dedicated NIC for heartbeat, public & iSCSI networks

• Members should have matching server architecture– Required for Microsoft Windows, optional for Linux

• When using Active/Active, ensure capacity on fail-over node

BACKUP & REPLICATIONParallels Virtuozzo Containers HA/DR

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Container Backup

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• Included Free with Virtuozzo

• Online, snapshot based backup

• VSS aware (AD, Exchange, MSSQL, Oracle…)

• Define compression type, files to backup, start time, backup location (local, network share, Virtuozzo node)

• Build-in backup scheduler

• Minimal container backup size

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Host & Container Backup

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Data Replication• I’m creating regular backups, do I need replication?

– Backups are typically hourly/daily

– Can you afford to lose data for the last day or even the last hour?

– How much would it cost to manually reproduce the lost data?

• SAN Based Replication– DataCore SANsymphony / SANmelody

• Software Based Replication– DoubleTake

– PeerSync

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Summary

• Downtime, planned or not = Lost $$$

• Carefully determine your HA & DR requirements

• Use a combined approach when possible

• You probably already own clustering software, use it

• Parallels Virtuozzo Containers includes cluster support

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Questions?

Thank You!

Jamison Moorejmoore@parallels.com

Fully functional trials of Parallels Virtuozzo Containers available at:

www.Parallels.com

APPENDIXParallels Virtuozzo Containers HA/DR

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Parallels Products Overview

Virtualization

ParallelsDesktop

ParallelsWorkstation

Parallels Server Parallels Virtuozzo Containers

The best of both worlds with Hypervisor and OS Virtualization

Automation

Complete automation & management of IT systems and processes

Parallels System Automation

Parallels Business Automation

Parallels InfrastructureManager

Parallels Plesk Products

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Clustering does not protect against:– Loss of, or damage to shared storage

– Data(base) corruption

– Network or Site-level disasters

– All application failures

– Human configuration errors

Clustering does not support:– Moving running applications

– Maintain session(s) state

What Does Clustering Not Provide?

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Networking - Bridged Mode

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Usage Advantages MAC-dependent applications

Cross-Container traffic using external router

DHCP based IP assignment

Support of all dedicated server network features

Raw packet support

Support of MAC-address dependent applications (like load-balancers)

DHCP client and server support

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Network Load Balancing (NLB)This cluster configuration can be used to distribute client requests among cluster nodes

according to the current network load, thus, greatly increasing your application and service availability and performance.

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Minimal Requirements• 2 active nodes / containers

Benefits• Load Distribution: If a container fails, the load

is automatically redistributed among the remaining active Containers.

• Capacity on Demand: As the traffic increases or as your applications require more server power, you can dynamically add capacity by adding additional containers/nodes.

Limitations• Server load is not factored in, only network

traffic is considered.

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Related SessionsParallels Virtualization Roadmap Update (online)Tuesday 3:55 / Technology Track

Parallels Technology Roadmap

Wednesday 11:35 / General Session

Parallels Virtualization Containers Best Practices: High Availability/Clustering

Wednesday 1:00 / Enterprise IT Track

Parallels Virtuozzo Containers Hands-on Lab