Going Big! Deploying Large Mailboxes with Microsoft Exchange Server 2010 without Breaking the Bank Kevin St. ClairSr. Support EngineerHewlett-Packard

SESSION CODE: UNC306

AGENDA

What do large mailboxes give me?What do I need to consider when deploying large mailboxes?How do all of the parts fit together in a solid design?

WHY LARGE MAILBOXES?Get PST files under control

User’s PST files at risk on the laptop or desktopUser’s PST files typically not backed upRecovery from corruption is painful

2006-PST

2010-PST 2007-PST

2008-PST

2009-PST

WHY LARGE MAILBOXES?Add value for users

Search historical dataDon’t recreate workReduce time spent managing mailbox

WHY LARGE MAILBOXES?Add value for users

PST files only available on single machine

2010-PST

2010-PST

WHY LARGE MAILBOXES?Adding IT Value

Search across all mailboxes including data that was in a PSTDumpster 2.0 – searchable as well!Legal HoldUse high-capacity drives efficiently

LARGE MAILBOX CONSIDERATIONSPresent Environment

Skillset and training of staffStability IssuesPain points

LARGE MAILBOX CONSIDERATIONSBusiness Needs

Business requirements, expectations and SLAProductivity Features – Mailbox moves onlineSearch historical information

LARGE MAILBOX CONSIDERATIONS

Exchange Server 2010Challenge Solution

Exchange High Availability Database Availability Group

Long Backup durations Exchange Native Data Protection

Database Maintenance 24x7 Background Database Maintenance

Cost of Storage for Large Mailboxes Support for lower cost larger capacity drives

Archiving and Compliance Built-in to Exchange Server 2010

Database Corruption Page Patching and Lost Write Detection

LARGE MAILBOX CONSIDERATIONSDisaster Recovery

Backup & restore methods

VSS Backup Exchange Native

Restore most current data

Recover in-flight data

Recover from Logical Corruption

Point in time recovery

Single item recovery

Supports Legal Hold

Time to restore service - 2 TB DB 2+ hours – weekly full ~30 seconds

LARGE MAILBOX CONSIDERATIONSDisaster Recovery

Availability considerationContinuous availability (DAG)

DAG01

AD Site 2

MailboxServer 2-1

RAID1 Set – Passive database

AD Site 1

MailboxServer 1-1

Activedatabase

MailboxServer 1-2

Passivedatabase

Passivedatabase

MailboxServer 1-3

MailboxServer 1-4

RAID1 Set – LAG database

LARGE MAILBOX CONSIDERATIONSDisaster Recovery

Availability considerationContinuous availability (DAG)Restoration of service (non-DAG)

DAG01

AD Site 2

MailboxServer 2-1

RAID1 Set – Passive database

AD Site 1

MailboxServer 1-1

Activedatabase

MailboxServer 1-2

Passivedatabase

Passivedatabase

MailboxServer 1-3

MailboxServer 1-4

RAID1 Set – LAG database

LARGE MAILBOX DESIGNKnow your environment

Strengths and weaknessesUser profile and data quantity = Mailbox data + PST dataExchange Server 2003 support ending when the next version of Exchange releases

LARGE MAILBOX DESIGNSelect appropriate options

Business requirementsStorageLicensing

LARGE MAILBOX DESIGNBusiness requirements

Service Level Agreements (SLA)Business requirementsRegulatory complianceIncrease in mail volume for users

LARGE MAILBOX DESIGNStorage

Balancing act between performance and capacity

CAPACITY10 GB

PERFORMANCE0.12 IOPS

LARGE MAILBOX DESIGNStorage

Performance DriversUser workload

LARGE MAILBOX DESIGNStorage

Performance DriversUser workloadThird party applications – BlackBerryDesktop Search

LARGE MAILBOX DESIGNStorage

Exchange Storage changesMove from random to sequential IOLarger database page size:

Exchange 2010 has 32 KB page sizeExchange 2007 has 8 KB page size

LARGE MAILBOX DESIGNStorage

Exchange Storage changesReduction in IOPs

Exchange 2003 Exchange 2007 Exchange 20100.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

0.90

1.00

Exchange IOPS by version

LARGE MAILBOX DESIGNStorage

Performance DriversMaintenance

Default is 24x7Large block sequential

LARGE MAILBOX DESIGNStorage

Disks increasing in sizeDisk speed has remained unchangedLargest capacity disks are midline SAS and SATA

LARGE MAILBOX DESIGNStorage

Database capacityMessage dataDeleted ItemsWhite spaceLegal Hold

Performance and capacity overheadDatabase

LARGE MAILBOX DESIGNStorage

Two LUNs per database or backup setRAID

DatabaseTransaction LogsContent Index

10%Free Space

20%Free Space

20%

LARGE MAILBOX DESIGNStorage

One LUN per databaseJBOD

DatabaseTransaction LogsContent Index

10%Free Space

20%

LARGE MAILBOX DESIGNStorage

Mount Point Root

DAG01

MailboxServer 1 DB001

Mount Point

C: DriveOS

C:\ ExchMPRMount Point Root

DB002Mount Point

LARGE MAILBOX DESIGNStorage

Types of storageInternal direct-attached storage (DAS)External direct-attached storage (DAS)Storage Area Network (SAN)

LARGE MAILBOX DESIGNStorage

Storage connectivityArray controller

CacheLogical and physical drives

Host Bus Adapter (HBA)Fibre Channel

LARGE MAILBOX DESIGNStorage – per spindle

Exchange 2007Heavy user profile (20 sent/80 received)0.32 IOPS per user

300 GB – 15K RPM disk (useable 279 GB – 20%) = 223 GB with 150 IOPS

Performance - 150 IOPS / 0.32 IOPS per user = 468 mailboxes per diskDisk size 223 GB / 468 mailboxes= 476 MB per mailbox

LARGE MAILBOX DESIGNStorage – per spindle

Exchange 2010Heavy user profile (100 sent & received)0.12 IOPS per user

300 GB – 15K RPM disk (useable 279 GB – 20%) = 223 GB with 150 IOPS

Performance - 150 IOPS / 0.12 IOPS per user = 1,250 mailboxes per diskDisk size - 223 GB / 1,250 mailboxes= 178 MB per mailbox

LARGE MAILBOX DESIGNStorage – per spindle

Exchange 2010Heavy user profile (100 sent & received)0.12 IOPS per user

2 TB – 7,200 RPM disk (useable 1.818 TB – 20%) = 1.454 TB with 50 IOPS

Performance - 50 IOPS / 0.12 IOPS per user = 416 mailboxes per diskDisk size – 1,454 TB / 416 mailboxes= 3.50 GB per mailbox

LARGE MAILBOX DESIGNActual Design – Large Enterprise Company

150,000 MailboxesCurrent – 150 MB mailbox size200 Messages sent and received

Mailbox sizes discussed1 GB, 5 GB, 10 GB and 12 GBSAN and DAS both considered

Exchange team wants to control all aspects of ExchangeCostReliability

LARGE MAILBOX DESIGNActual Design – Large Enterprise Company

Exchange high-availability (DAG)Two copies in primary siteSite resilience – two copies in DR site

12 GB Mailbox size8,192 – 2 TB drives (JBOD)36,000 – 600 GB drives (RAID5)19,344 – 2 TB drives (RAID10)

LARGE MAILBOX DESIGNActual Design – Large Enterprise Company

Exchange high-availability (DAG)Two copies in primary siteSite resilience – two copies in DR site

Reduced to 4 GB Mailbox size5,600 – 2 TB drives (RAID10)

LARGE MAILBOX DESIGNActual Design – Large Enterprise Company

Exchange high-availability (DAG)Two copies in primary site (RAID10)Site resilience – two copies in DR site

Copy 1 – Site Resiliency (RAID10)Copy 2 – 14-day Lagged copy (RAID10)

Exchange Native Data Availability

LARGE MAILBOX DESIGNStorage - cost

Cost comparison

Drive Type Retail Retail per GB Retail for 2TB

SSD 120GB 3G midline drive $2799.00 $23.33 $46,650.00

SAS 300GB 6G dual-port ENT $599.00 $1.99 $3993.00

SAS 2TB 7.2K 6G dual-port MDL $949.00 $0.47 $949.00

SATA 2TB 7.2K 3G MDL $899.00 $0.44 $899.00

LARGE MAILBOX DESIGNStorage - features

Feature comparison

SAS SATA

Large capacity drives

Hot-pluggable

Enterprise and midline

Dual-Port/Dual-Domain

Exchange database

LARGE MAILBOX DESIGNStorage

Online Personal ArchiveSmaller primary mailbox with larger archive

Personal ArchiveMailboxPrimary

Mailbox

Exchange databaseExchange database

LARGE MAILBOX DESIGNStorage

Online Personal ArchiveSmaller primary mailbox with larger archiveOnline access onlyService Pack 1 changes to Personal Archive

Personal ArchiveMailboxPrimary

Mailbox

LARGE MAILBOX DESIGNClient Experience

OutlookSupport for 10GB+ mailboxesSupport for 100,000 items per folderIndexing performance doubledReal-time search results

LARGE MAILBOX DESIGNLicensing highlights

Windows Enterprise licenseExchange high availability (DAG) – failover clustering

Exchange Server 2010Database copy count = ACTIVE + Passive database copiesStandard license – 1 to 5 databases per serverEnterprise license – up to 100 databases per server

Client Access LicensesExchange Enterprise CAL

Personal Archiving, Advanced Journaling, Unified Messaging

LARGE MAILBOX IMPLEMENTATIONStrategy

PlanPhases for implementationAmount of mail to move

TestLab: develop documentation, timelines and migration proceduresJetstress & LoadGenImpact of corruption on mailbox move

ValidatePilot: Delegate access, third-party application functionalityUser migration timing

LARGE MAILBOX IMPLEMENTATIONConsiderations

Disk formattingQuick format Full format

BitLocker encryptionTime to encrypt is significant on larger disks

LARGE MAILBOXESSummary

Can I deploy large mailboxes cost-effectively?Designed to be cost effective on larger disks with lower performance Exchange Server 2010 storage enhancements

LARGE MAILBOXESSummary

What storage challenges do you face?Choosing the type of design: SAN, DAS, JBODExchange native data protection or typical backupWhere is RAID used? JBOD?

LARGE MAILBOXESSummary

When do I use Exchange DAGs?Continuous client access to Exchange dataPoint in time recovery – Lagged database copyDeploying JBOD solutions

LARGE MAILBOXESKey takeaways…

Exchange 2010 makes more storage options available…

Large mailboxes can be deployed in a cost-effective way…

Clearly identify what your company needs Exchange to do…

Related Content

Breakout SessionsUNC301 – Microsoft Exchange Server 2010: Sizing and Performance - Get It Right the First Time – Thurs 6/10 5pmUNC305 – Microsoft Exchange Server 2010 High Availability Design Considerations – Tues 6/8 8am

Interactive SessionsUNC02-INT – Busting Microsoft Exchange Server 2010 Storage Myths! – Tues 6/8 3:15pm

Hands-on LabsUNC02-HOL – Microsoft Exchange Server 2010 High Availability and Storage Scenarios

Unified Communications Track Call to Action!

Learn More!View Related Unified Communications (UNC) Content at TechEd/after at TechEd OnlineVisit microsoft.com/communicationsserver for more Communications Server “14” product informationFind additional Communications Server “14” content in the Technical Library, weekly technical articles at NextHop, and follow DrRez on TwitterCheck out Microsoft TechNet resources for Communications Server and Exchange ServerVisit additional Exchange 2010 IT Professional-focused content

Partner Link or Customer Link (Name: ExPro Pword: EHLO!world)

Try It Out!Exchange 2010 SP1 Beta download is now available from the download center!

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© 2010 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to

be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

JUNE 7-10, 2010 | NEW ORLEANS, LA