Session 1494: IBM Tivoli Storage FlashCopy Manager

Session 1494: IBM Tivoli Storage

FlashCopy Manager

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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

Agenda

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Snapshots

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Microsoft Volume Shadow Copy Service (VSS)

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IBM Tivoli Storage FlashCopy Manager (FCM)

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FCM at Chesapeake Energy

Challenges for Protecting Vital Data

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Application availability

– 24x7availability of revenue generating applications – zero application downtime is expected

– shrinking backup window – recoveries must be quick

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Increasing volume of database content

– complex database management

– backup window no longer adequate

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Loss of vital business data because of

– hardware errors

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What is a Snapshot?

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A point in time copy of a defined collection of data

Snapshots – Usage and Types

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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

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What types of snapshots are there?

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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

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

What is VSS?

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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

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VSS Roles

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Requestors

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

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Writers

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

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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

VSS Infrastructure

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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.

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

IBM Tivoli Storage

IBM Tivoli Storage FlashCopy Manager on Windows

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Leverages latest snapshot technology

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Utilizes Microsoft’s VSS architecture

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Supports snapshots of Microsoft Exchange Server

and Microsoft SQL Server

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Can operate standalone or integrated with Tivoli

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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

FlashCopy Manager – Easy to Install and Use

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FlashCopy Manager - Solution Overview

Application System Application Data Local Snapshot Versions Snapshot Backup Sna psho_t Res_tore

FlashCopy Manager

 Online, near instant snapshot backups with minimal

performance impact

 High performance, near instant restore capability

FlashCopy Manager On Windows

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Snapshot backups can be:

– Stored on local disk

– Stored on a TSM Server – Both

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Snapshot backups are automatically managed through

user-defined policy

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Data movement to a TSM Server can be off-loaded to a

secondary machine

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Restore options for snapshot backups:

– VSS Restore - Restore from TSM Server storage

– VSS Fast Restore - Restore via file-level copy from mounted snapshot

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

v7000

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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

FlashCopy Manager with and without TSM

Store backups on a TSM Server MMC Snap-in for Configuration

Functions WITH TSM Server WITHOUT TSM Server Fast Backups Off-loaded Backups Fast Recovery Management of Snapshots Integrated User Interface

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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

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

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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

FCM at

Paul Conway

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Introduction Chesapeake Energy

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

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

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About 9000 employees

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Headquarters is Oklahoma City

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

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Current Exchange Environment

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Exchange 2007 Environment

– 8 Production CCR clusters – 8 SCR servers in Fort Worth

– 148 Exchange Storage groups backed up – 40TB per Exchange environment

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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

Future 2010 Exchange Environment

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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

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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

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Exchange 2010 at Chesapeake

Fort Worth – DAG3

Deduplication Misc Information

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Run TSM server and client dedupe tests

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Set up dedicated dedupe storage pool for Exchange data

– Easy to validate results – Helps show benefits

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FCM Summary at Chesapeake Energy

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Exchange admins like FCM MMC

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Exchange admins do the restores

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FCM does not care what disk hardware we use

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Easy to install and configure

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Great for standalone environments

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Don’t miss these valuable opportunities

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