Session 1494: IBM Tivoli Storage FlashCopy Manager

Protecting your business-critical applications with IBM Tivoli Storage FlashCopy Manager

© 2011 IBM Corporation

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Session 1494: IBM Tivoli Storage FlashCopy Manager

This presentation covers IBM Tivoli Storage FlashCopy Manager on Windows*.

It discusses snapshot technology and Microsoft VSS at a high-level, examines how snapshots and VSS are used within IBM Tivoli Storage FlashCopy Manager, and concludes with how Chesapeake Energy plans to use FlashCopy Manager to protect their Microsoft Exchange environment.

*Note: IBM Tivoli Storage FlashCopy Manager is supported on Windows, AIX, Solaris, and Linux platforms however this presentation only covers the Windows support.

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Agenda

• Snapshots

• Microsoft Volume Shadow Copy Service (VSS)

• IBM Tivoli Storage FlashCopy Manager (FCM)

• FCM at Chesapeake Energy

• Questions and Answers

Snapshots

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Challenges for Protecting Vital Data• Application availability

– 24x7availability of revenue generating applications– zero application downtime is expected– shrinking backup window– recoveries must be quick

• Increasing volume of database content – complex database management– backup window no longer adequate

• Loss of vital business data because of– hardware errors– logical errors (virus, bugs, user errors, etc.)– disaster

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What is a Snapshot?

• A point in time copy of a defined collection of data

(Source: www.snia.org/dictionary)

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Snapshots – Usage and Types

• Why are snapshots useful for backup?– Very fast, non-disruptive backups– Faster recovery time (RTO)– Easier to realize more recovery points (RPO)– Minimal or no down-time of applications

• What types of snapshots are there?– Split-Mirror– Copy on Write– Redirect on Write– Others

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What You Want from an Application Snapshot Product• Application integration

– Applications know where their data is stored and how to put the data into a consistent state

• Zero-impact backups– Backup process should not affect (or minimally affect) production activity– Data movement optionally off-loaded from the production hosts

• Instant recovery

• Unattended backup of database

• Federated backup and restore

• Easy to install, configure, and use

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What You Want from an Application Snapshot Product

• Optimized back up and recovery by exploiting hardware function

• Support for managing multiple back-up versions

• Automatic policy-based management of backups

• Single point of control for back up and restore operations

• Integrated interfaces for configuration and operations

• Scalable to support multiple hosts

• Wide support of storage subsystems

Microsoft Volume Shadow Copy Service (VSS)

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What is VSS?

• VSS = Volume Shadow Copy Service

– Framework on Microsoft Windows to enable volume backups while applications continue to write to the volumes

– Federated, application-integrated, storage-integrated operations

– VSS requestors, VSS writers, and VSS providers communicate to create and restore volume shadow copies

– A shadow copy (“snapshot”) of a volume logically duplicates all the data held on that volume at one well-defined instant in time

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VSS Roles• Requestors

– An application that “requests” that a volume shadow copy be taken– Example: A backup application, like TSM or FCM

• Writers– An application or service that stores persistent information on disk– Examples: SQL Server or Exchange Server

• Providers– A component that manages running volumes and creates shadow

copies of them on demand– Three (3) types of providers: System, Software, Hardware– Example: Disk System, such as SVC, NetApp, EMC, DS8000– Microsoft delivers VSS ‘System Provider’ as part of the operating

system

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VSS Infrastructure

Volume Shadow

Copy ServiceVSS

RequestorVSS

Writers

Volumes holding data

VSS System

Provider

VSS Software

Provider

VSS Hardware

Provider

Example: FCMExamples:

SQL Server

Exchange Server

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VSS Shadow Copy – A Logical View

Source

Volume

Target

Volume

(Shadow Copy or Snapshot)

The shadow copy is logically an exact copy of the source volume at the time of the snapshot.

Contains the data to be shadow copied. These volumes contain the application data.

Read only!

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VSS Shadow Copy - Terminology

Persistent

Shadow copy that remains after the backup application

completes its operations. This type of shadow copy also survives system reboots

Non-Persistent

Temporary shadow copy that remains only as long as the

backup application needs it in order to copy the data to its

backup repository

Imported

A shadow copy that is visible to a specific host. A shadow copy can only be “imported” by one host at

any given time.

Transportable

A shadow copy that can be accessed by other hosts on the

SAN. “Transportability” is a feature of VSS hardware providers

IBM Tivoli Storage FlashCopy Manager (FCM)

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IBM Tivoli Storage FlashCopy Manager on Windows

• Leverages latest snapshot technology

• Utilizes Microsoft’s VSS architecture

• Supports snapshots of Microsoft Exchange Server and Microsoft SQL Server

• Can operate standalone or integrated with Tivoli Storage Manager (TSM)

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FlashCopy Manager - Functional Objectives• Fast Backups - Perform on-line backups using snapshot technology

• Fast Recovery - Perform very fast restores from snapshot backups

• Automatic Policy Management – User defined policy to automatically manage snapshots and disk space

• Easy to Install, Configure, and Use – Installation, configuration, and usage is easy, Windows MMC integration– We've reduced TTV to under 1 hour!

• Optional Integration with TSM Server – Standalone operation or seamless integration with a TSM Server

• Off-loaded Backups – Ability to optionally off-load the backup of data to the TSM Server to another machine

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FlashCopy Manager – Easy to Install and Use

MMC Dashboardfor easy

Navigation

Multiple Wizardsfor easy

Configuration

* We've reduced TTV to under 1 hour!

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FlashCopy Manager - Solution Overview

Application System

ApplicationData

Local Snapshot Versions

Snapshot BackupSnapshot

Restore

FlashCopy Manager

Storage Manager 6

With Optional TSM Backup

Integration

XIVSVC DS8000Storwize V7000DS 3/4/5*Other*

Online, near instant snapshot backups with minimal performance impact

High performance, near instant restore capability

Integrated with IBM Storage Hardware

Simplified deployment

TSM Server is optional!

*VSS Integration

Exchange ServerSQL Server

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FlashCopy Manager On Windows• Snapshot backups can be:

– Stored on local disk– Stored on a TSM Server– Both

• Snapshot backups are automatically managed through user-defined policy

• Data movement to a TSM Server can be off-loaded to a secondary machine

• Restore options for snapshot backups:– VSS Restore - Restore from TSM Server storage– VSS Fast Restore - Restore via file-level copy from mounted

snapshot• Enhanced function for XIV, SVC, DS8*, and Storwize

v7000– VSS Instant Restore – Restore via volume-level copy from

snapshot

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FlashCopy Manager On Windows• Leverages hardware snapshot capabilities

– When used in conjunction with disk system VSS Provider– Can exploit capabilities like space-efficient and incremental snapshots

• Support for both Hardware and Software VSS providers– Provider must strictly adhere to Microsoft VSS provider specs– Typically provided by the disk system vendor– Microsoft “in-box” VSS System Provider can also be used

• Supports standalone and clustered environments

• Supports virtual environments like VMWARE and Hyper-V– VSS Provider support must also be considered

• Supports Microsoft SQL Server

• Supports Microsoft Exchange Server

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FlashCopy Manager with and without TSM

FunctionsWITH

TSM Server

WITHOUT

TSM ServerFast Backups

Off-loaded Backups

Fast Recovery

Management of Snapshots

Integrated User Interface

Store backups on a TSM Server

MMC Snap-in for Configuration

FunctionsWITH

TSM Server

WITHOUT

TSM ServerFast Backups

Off-loaded Backups

Fast Recovery

Management of Snapshots

Integrated User Interface

Store backups on a TSM Server

MMC Snap-in for Configuration

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FlashCopy Manager with Microsoft SQL Server

• Windows Server 2003 and Windows Server 2003 R2• Windows Server 2008 and Windows Server 2008 R2• SQL Server 2005• SQL Server 2008• SQL Server 2008 R2• Supports x86 and x64• Backup Types

– FULL– Additional capabilities when combined with TSM Data Protection for SQL

• Supported in cluster environments• Restore Types

– VSS Restore– VSS Fast Restore– VSS Instant Restore

• Restore to an alternate database name• Restore to an alternate location

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FlashCopy Manager with Microsoft Exchange Server• Windows Server 2003 and Windows Server 2003 R2• Windows Server 2008 and Windows Server 2008 R2• Exchange Server 2003 (including cluster support) • Exchange Server 2007 (including LCR, CCR, and SCR support)• Exchange Server 2010 (including DAG support)• Supports x86 and x64• Backup Types

– FULL, COPY, INCREMENTAL, DIFFERENTIAL• Restore Types

– VSS Restore– VSS Fast Restore– VSS Instant Restore

• Restore into a Recovery Storage Group/Database• Restore into an alternate storage group/database• Restore into an alternate Exchange Server• Mailbox/item-level restore (IMR) from snapshot backup

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FlashCopy Manager - Benefits Summary• Ensures Application Availability

– Online backup – Little to no impact on production server– High performance backup/restore

• Protects vital business data– Data integrity – Data consistency– Application integration

• Increases Productivity of administrators– Easy to install, configure, and use– No manual scripting or script maintenance required

• Takeaways– Snapshots bring a new dimension and paradigm to backup and are

becoming pervasive– This is a key focus area for Tivoli now and in the future

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Questions?

FCM atChesapeake Energy

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Paul Conway

Senior Systems Administrator

Chesapeake Energy

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Introduction Chesapeake Energy

• One of the largest producers of U.S. natural gas

• Most active driller of new wells in the U.S.

• About 9000 employees

• Headquarters is Oklahoma City

• DR site Fort Worth

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Chesapeake TSM Environment

• TSM is managing 1.4 PB of storage from 1560 nodes

• Five TSM servers (versions 6.1 and 6.2)– Three in OKC– Two in Fort Worth

• Four tape libraries– Two in OKC– Two in Fort Worth

• One 80TB XIV in OKC– DB2, Logs, STG pools, Dedup STG pools

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Current Exchange Environment

• Exchange 2007 Environment– 8 Production CCR clusters– 8 SCR servers in Fort Worth– 148 Exchange Storage groups backed up– 40TB per Exchange environment

• Exchange 2007 backups SLA – Data Protection for Exchange legacy backups from active server– Kept for two weeks– Backup to TSM disk storage pool – Keep on disk two days then migrate to tape– Mailbox level restores done from restore server

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Future 2010 Exchange Environment

• Exchange 2010 Environment– 4 Production DAGs in OKC– 8 servers in OKC 4 in Fort Worth– 1 Production DAG in Fort Worth– 2 servers in Fort Worth one in OKC

• Exchange 2010 backups SLA– Data Protection for Exchange VSS backups from DAG healthy

passive copy– Kept for two weeks– 90TB Fort Worth Exchange servers– Dedupe to TSM in Fort Worth– FCM VSS backups to local disk

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Exchange 2010 at Chesapeake

Volume Shadow

Copy ServiceFCM

(DP/Exchange)

VSS

Writers

VSS System

Provider

OKC – DAG1/DAG2

Fort Worth – DAG3

EMC

VSS System

Provider

Dell

VSS System

Provider

Dell

OKC/ DAG1

Fort Worth/DAG3

VSS

Requestor OKC/ DAG2

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Deduplication Misc Information

• Run TSM server and client dedupe tests

• Set up dedicated dedupe storage pool for Exchange data– Easy to validate results– Helps show benefits– Large amounts of backup data– Easier to tune

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FCM Summary at Chesapeake Energy

• Exchange admins like FCM MMC

• Exchange admins do the restores

• FCM does not care what disk hardware we use

• Easy to install and configure

• Great for standalone environments

• Continue to test dedupe Exchange 2010

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Questions?

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Thank you

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Don’t miss these valuable opportunitiesHands-on Labs Hands-on labs provide an excellent opportunity to gain first-hand technical experience with Tivoli products and solutions.

Room 119,Conference Center, Level 1

Hands-on Lab ScheduleSun. 10:30 a.m. – 5:00 p.m.Mon. 10:30 a.m. – 6:00 p.m. Tue. 10:30 a.m. – 6:00 p.m. Wed. 08:00 a.m. – 6:00 p.m. Thur. 08:30 a.m. – 3:00 p.m.

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