© 2009 oracle corporation. s311443 : slash storage costs with oracle automatic storage management...

S311443 : Slash Storage Costs with Oracle Automatic Storage Management

Ara VagharshakianASM Product Manager – Oracle Product Management


The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions.The development, release, and timing of any features or functionality described for Oracle’s products remains at the sole discretion of Oracle.

Safe Harbor Statement


CliffsNotes

• Why the “high-cost” of storage• ASM 101• How ASM cuts storage cost– ASM consolidation• Eliminates islands of spare capacity • Reduces storage management complexity• Reduces storage management layers

– ASM features that reduce cost• Intelligent data placement• Eliminates the need for continuous tuning • Supports storage tiering

UnstructuredData

RegulatoryCompliance

MergersAcquisitions

StructuredData

Burgeoning Applications

DataReplication

Why the High-Data Volume Growth


Reasons for the “High Cost” of Storage

• Storage hardware and software cost• Arrays• SAN fabric• Management software

• Administration cost • Administrating storage, SAN and OS• Provisioning• Troubleshooting and tuning

• Cost of downtime– Availability and change

Automatic Storage Management (ASM) 101


A storage manager designed to manage Oracle database files – offered at no additional cost

• Volume Manager• File System• Clustering capabilities• General purpose cluster file system

Predictably Deliverson Performance &

Availability SLA’s

Increases Storage

Utilization and Agility

Simplifies and Automates

Storage Management

Reduce Cost and Complexity Without Compromising Performance or Availability

ALL

• Automatic I/O load balancing• Stripes data across disks to

balance load• Optimizes I/O throughput

• Automatic mirroring • Efficient, online add/remove of

disks• Consolidate data into a

common shared storage environment

Automatic Storage Management

DB-A DB-B DB-C

Automatic Storage Management (ASM) 101


Disk Group

How ‘ASM Consolidation’ Cuts Storage Costs

ASM Consolidates Storage and Management


DB-A DB-B DB-C DB-D

1 Allocated DB Size (TB)

Number of disks (LUNs)

Number of volumes/FS

Utilization

20

4

50 %

2

40

8

60 %

2

40

8

90 %

5

100

20

30 % 50 %

200

Number of Disk Groups ~ 1

I/O Activity

I/O Activity

40

... ... ... ...Totals

Non-ASMASM

Consolidation Requires “Always Online”ASM– Re-Balancing


• Automatic online rebalance whenever storage configuration changes

Disk Group



• Automatic online rebalance whenever storage configuration changes• Only move data proportional to

storage added

Disk Group


• Automatic online rebalance whenever storage configuration changes• Only move data proportional to

storage added• No need for manual I/O tuning

Disk Group



• Automatic online rebalance whenever storage configuration changes• Online migration to new

storage

Disk Group


Consolidated ASM Storage Infrastructure


Automatic

Storage

Management

Disks

LVM

File Systems

0010 0010 0010 0010 00100010 0010 0010 0010 0010Files

Tablespace

Tables

Tablespace

Tables

Before ASM ASM

Networked Storage (SAN, NAS, DAS)

Files

Disk Group

Disks

Consolidated ASM Storage InfrastructureReduces Storage Management Complexity


LVM/FS1. Add Disk to OS2. Create volume(s) with

Volume Manager 3. Create File System over

volume 4. Add files to tablespace5. Move data to new files6. Re-tune I/O

ASM 1. Add Disk to OS2. Add disk to an existing disk

group

Provisioning additional storage to a database

ASM takes care of the rest

3rd Party FSApplication

Automatic Storage Management (ASM)

ASM Cluster & Single Node File System

(ACFS)

Database

ACFS Snapshot

ASM Disk

Group

DB Datafiles, OCR and Voting FilesDB Datafiles, OCR and Voting Files ACFS FSsACFS FSs 3rd Party File Systems3rd Party File Systems

Dynamic Volume Manager

• ASM supports ALL data - database files, file systems, Clusterware files (OCR, Voting Disk)• Built-in mirroring protects from disk failures• Enables auto-repair from corrupt blocks using a valid mirror copy

Automatic Storage Management (ASM)Stores & Manages All Data

ASM Instance Managing Oracle DB

Files

How ASM Features Cut Storage Costs

Intelligent Data Placement

• Policy-based file placement for hot files on high performance regions of disk

• Classify files as hot or cold for placement

• Supports Oracle Exadata Storage Server

• Save up to 35% on storage• Use Case: Place file system

data on cold file region

New in 11.2

Infrequently Accessed

Data

Infrequently Accessed

Data

Frequently Accessed

Data

Frequently Accessed

Data


Manual Storage Tuning vs Automatic Storage Tuning


Time

No

n-A

SM

Tablespace

LVM

Tablespace Tablespace

Tablespace

Disk GroupAS

M

Tablespace Tablespace

ASM Eliminates Manual Storage Tuning

PercentBaseline

(TPS)Non-ASM

(Gets out of tune in time)

ASM

TIME

Graphical representation only (not a benchmark)


Storage Pricing Circa 2008

Storage Tier Vendor Min $/GB

(1/2008)

Max $/GB

(1/2008)AVG

High End Vendor 1 - 146GB, <10TB $11.10 $14.70

$13.80Vendor 2 - 146GB, < 10TB $12.00 $16.10

Vendor 3 - 146GB, <10TB $12.20 $16.90

Low End Vendor 1 - 146GB, <6TB $4.40 $6.00

$5.20Vendor 2 - 146GB, 6TB $4.90 $6.50

Vendor 3 - 146GB, <6TB $4.10 $5.50

Average Cost Factor Between High End and Low End 2.65 X

• Prices in high end range typically represent a system configured for performance• Prices in the low end range typically represent a system configured for capacity• With all loaded costs, can be between $5-14 GB


Using the Right Storage for the Right DataD

ata

Cha

ract

eris

tics

Age

Access Frequency

Volume

Months 1 - 3 Months 4 - 12 Months 13 - 72

Tier 1 Tier 2 Tier 3

SD

* Mission critical Applications* Enterprise storage* Mirroring & replication* Continuous Data Protection

* Low-cost storage* Flash recovery area

* Unused storage* JBOD storage

Recovery Requirements

SD


Use ASM to Create Storage Tiers

Database 1

1997-2001 2002

High End

$2.5X

Low End

$X

Online Archive

$½ X

Class

Costs

ASM Disk Groups

Database 2

Database 3


<Insert Picture Here>

Enterprise Strategy Group Survey


“Enterprise respondents’ stated top five storage priorities over the next 24 months—data reduction, storage virtualization, power-efficient hardware, tiered storage, and remote backup for branch offices”

ASM Cost Cutting Advantages

• ASM reduces operational costs– Simplifies storage management – Fewer things to manage – Storage Grid– Common management interface across platforms

• ASM reduces capital costs– Eliminates the need for 3rd party LVM/file system– ASM supports the use of lower cost storage– ASM supports storage tiers


ASM Adoption

• De-facto standard for RAC and grid deployments, >65%• De-facto standard for VLDB

deployments• Large and growing adoption for

single instance deployments, >20%• Thousands of customers using ASM• One of the most popular features in

the database


Some ASM Reference Customers In Production


AQ&Q U E S T I O N SQ U E S T I O N S

A N S W E R SA N S W E R S

© 2009 oracle corporation. s311443 : slash storage costs with oracle automatic storage management...

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