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© 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

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Page 1: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL

Giorgio IppolitiSenior Technical Support Southern Europe & Israel

HGST Products for Datacenter

Page 2: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 2

Agenda

• New Product Overview: HDD

• New Product Overview: SSD

• HGST SW Solutions

Page 3: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL

New Products: HDD

Page 4: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 4

Purpose built for CAPACITY INTENSIVE applications

Capacity Enterprise

7th generation, legendary reliability, last in-air capacity enterprise

6TB

ULTRASTAR®

7K6000

High Scale Cloud

8TB

2nd generation, new mainstream capacity with breakthrough TCO

ULTRASTAR®

He8

OnlineCool

10 TB

Value and innovation for Active Archive workloads

WORLD’S FIRST 10TB HDD

Page 5: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 5

Highest areal density for mainstream enterprise

6TB 3.5in. 2M HR MTBF

shipping TODAYLAST IN AIR

ANNOUNCING

Page 6: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 6

World’s highest capacity mainstream enterprise HDD

8TBPMR

33%capacity boost

23%lower power

shipping TODAY

worksanywhere

ANNOUNCING

Page 7: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 7

Air – 5 Disk Helium – 7 Disk

HelioSeal™ Value

The Helium HDDs Solve Problems

Thinner Platters = More Platters per HDD

More Platters = Higher Capacity = Better Density

Less Drag from Helium = ~23% Less Power Consumed

Less Power = 4◦C Cooler Operation = Lower PUE

Cooler Operation = Higher Reliability

Page 8: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 8

World’s first 10TB SMR enterprise-class HDD

HeHelioSeal™

SMR COLDstorage

sampling NOW

3.5in.

ANNOUNCING

Page 9: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 9

Key Product Specifications Ultrastar15K600

Ultrastar C15K600

Form Factor 3.5 LFF 2.5 SFF

Capacity 600/450/300 600/450/300

Rotational Speed 15K 15K

SAS Interface 6Gb/s 12Gb/s

Cache 64MB 128MB

Format Options 512n 4Kn/512e/512n

Ultrastar C15K600GENERATIONAL IMPROVEMENTS

70% LESS FOOTPRINT

KEY IMPROVEMENTS

38% FASTER SEQUENTIALPERFORMANCE

14% FASTER RANDOMREAD PERFORMANCE

2.5X FASTER RANDOMWRITE PERFORMANCE

54% LOWER ACTIVE &IDLE POWER

2XSAS INTERFACEBANDWIDTH

2XCACHEBUFFER SIZE

Note : Random Read performance improvement quoted at QD 1

Random Write performance improvement quoted at QD=8

Ultrastar C15K600 performance quoted for 4K/512e aligned case

Page 10: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 10

50% MORE CAPACITY

23% FASTER SEQUENTIALPERFORMANCE

10% FASTER RANDOMREAD PERFORMANCE

2.5X FASTER RANDOMWRITE PERFORMANCE

2XSAS INTERFACEBANDWIDTH

2XCACHEBUFFER SIZE

4X IOPS / $ / GB

Cobra-F boasts significant generational improvements over Cobra-E/EP

Ultrastar C10K1800GENERATIONAL IMPROVEMENTS KEY IMPROVEMENTS

Key Product SpecificationsUltrastar10K900/ 10K1200

Ultrastar C10K1800

Highest Capacity 900GB/1.2TB 1.8TB

Rotational Speed 10K 10.5K

SAS Interface 6Gb/s 12Gb/s

Cache 64MB 128MB

Format Options 512n 4Kn/512e/512n

Security Options TCG ISE/TCG/FIPS

Page 11: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL

New Products: SSD

Page 12: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 12

ULTRASTAR® SAS SSD FAMILYIdeal for data-intensive application acceleration

FLASHMAX® III1.1TB - 2.2TB capacitiesHHHL form factor

WORLD’S FASTEST SSDDemonstrating phase change technology

ULTRASTAR® SN100 SERIES NVMe PCIe SSD

Sampling Now

Recent SSD ANNOUNCEMENTS

Page 13: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 13

Ultrastar SSD800MH.BUltrastar SSD1600MMUltrastar SSD1600MR

Industry’s most advanced and highest performing

12Gb/s SAS MLC SSDs

Leverages HGST’s industry-leading HDD and SSD

technology

Delivers solid reliability, endurance and sustained

performance

Fully plug compatible with HGST Ultrastar SSDs, 10K

and 15K HDDs

The Most Advanced Enterprise Class 12Gb/s MLC SSD

SECUREDENCRYPTION

TECHNOLOGYINNOVATION

FEATURES

HIGHEST RELIABILITY

FASTPERFORMANCE

Page 14: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 14

FlashMAX IIIACCELERATING APPLICATION PERFORMANCE

1.1TB AND 2.2 TB CAPACITIES HHHL FORM FACTOR

60% BETTER RANDOM READ PERFORMANCE

20% BETTER RANDOM R/W PERFORMANCE

MAXIMUM PRICE PERFORMANCE

LOW TOTAL COST OF OWNERSHIP

Page 15: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 15

Ultrastar SN100 SeriesACCELERATING APPLICATION PERFORMANCE WITH NVME

STANDARD NVME DRIVER SUPPORT EASE OF DEPLOYMENT AND LOWER COST OF OWNERSHIP

FAST PERFORMANCE

3.0 GB/S READ BANDWIDTH300K MIXED RANDOM IOPSUP TO 3.2 TB

HHHL AND SERVICEABLE SFF FORM FACTORS

CLUSTERING, HA AND ADVANCED CACHING

HIGH CAPACITY

FLEXIBILITY

SOFTWARE INNOVATION

Page 16: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL

SW & Solutions

Page 17: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 17

Our software combines server-side shared SSDs with the data center storage hierarchy

Device Manager

ServerCache

Application Acceleration

Read Caching & Writeback Caching

For Standalone Windows & Linux

HA

Synchronous Replication

Fail-Over

Low Latency

Infiniband

Linux

Share

Shared Flash

Low Latency

High Performance

Linux

Oracle RAC

Profiler

Capacity Planning

Optimize Flash Usage

Caching Analysis

For Standalone Windows & Linux

ClusterCache

Discover

Monitor

Manage

Report

For Standalone Windows, Linux, & Solaris

Clustered Server Caching

Endurance

Ultimate Performance

Linux

Oracle RAC

vHA

Space

Server SAN Volume Manager

Add vSpacesReplicateShareManageLinux

HGST Software Family

Page 18: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 18

HGST Device Manager

Support for HGST UltraStar SAS and FlashMAX PCIe Coming in June 2014

Easy Installation with Efficient

Configuration Management•Prepare SSD for use•Firmware updates

Comprehensive Monitoring•Alerts

•Usage Gauges

Health Check to Ensure Data Integrity•Self Check

•Monitor Status

Cross Platform Flash Management•MS Windows Server 2003/2008/2012 & XP

•Red Hat Enterprise 5/6, OEL 5.6, & SUSE Linux 11 •Solaris 10/11/11.1 and NexentaStor 3.1/4

Page 19: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 19

Optimal Cache Configuration

I/O

I/OI/O

Ser

ver

Storage

SSD

Free Utility That Uncovers IO Bottlenecks

Make informed decisions based on actual workloads

Optimizes the usage of SSDs by recommending the best SSD cache configuration

HGST Profiler

Page 20: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 20

Duplicate Blocks

ABCDEFGHABCDEFGH

ABCDEFGHABCDEFGH

ABCDEFGHABCDEFGH

ABCDEFGHABCDEFGH

Δ Δ

ABCDEFGHABCDEFGH

CDCDEFGHCDCDEFGH

Similar Blocks

Shifted Blocks

ABCDEFGHABCDEFGH

HABCDEFGHABCDEFG

ABCDEFGHABCDEFGH

§ §

Shuffled BlocksABCDEFGHABCDEFGH

EFGHABCDEFGHABCD

ABCDEFGHABCDEFGH

ζ ζ

Ξ Ξ

Metadata

SERVER NETWORK STORAGE

SANAPPLICATION

VIRIDENT SERVERCACHE

FLASH ARRAY SSD / HDDSWITCHRAMCPUAPPLICATION

HGST ServerCacheSingle Server Caching

Delta Compression

Elegant GUI

Page 21: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 21

Virident Cluster SolutionsEnabling a True Performance Tier for the Software Defined Flash World

vShare

I/O

vShare

I/O

vShare – Clustered FlashMAX for sharing across multiple servers

SecondaryPrimary

vHA

Reads Writes

vHA – Synchronous Replication between FlashMAX cards

Shared Database

ClusterCache

SAN

ClusterCache

ClusterCache - Accelerate a SAN by sharing FlashMAX cards

SAN

I/O I/O

vShare over Cluster Cache for Oracle RAC

Page 22: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 22

HGST Virident Solutions – “Big Sky” – August 2014

• Up to 16 nodes in a cluster

• Using 4.8TB FlashMAX II = 38.4TB logical volume

• Define vSpaces for logical volumes

• Define Any-to-Any vHA Fail-Over

• Ethernet or Infiniband

• iSCSI-like driver support

Up to 38.4TB

Page 23: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 23

Application acceleration equals business impact

Up to 5x performance and 50% cost to

accelerate Oracle RAC

37% server consolidation savings

for hyperscale apps

Clustering improves Flash utilization by 50% or more

Page 24: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 24

Application Support

VSAN, vFRC, Horizon with View

Smart Flash Cache, Preferred Reads, RAC, All Flash

SQL Server, SharePoint, Exchange, Hyper-V

Server Consolidation, vHA Synchrounous Replication

Server Consolidation

Caching for SAN Acceleration

HA Fail-Over for VSAN Alternative

PCIe Device Encryption

Page 25: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 25

Create Disk Stripe (Replaces SAN Controller RAID)

Disk Group must have 1 SSD and 1 HDD

VSAN

vSphere Flash Read Cache Infrastructure

vSphere Flash Read Cache

APP

OS

APP

OS

APP

OS

APP

OS

APP

OS

vSphere

Flash - A New Tier in vSphere

vSphere Flash Read Cache

vSphere Flash Read Cache

vFRC

VMware

Page 26: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 26

VMware

View Servers

Domain Controller

VDI Cluster(& Personas)

VDI

Page 27: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 27

Oracle Single Instance

SAN

Storage Array

Preferred ReadsClusterCache

Page 28: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 28

Oracle RAC

SAN

Storage Array

Management Server

Infiniband or Ethernet

ShareCache

Page 29: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 29

RAC Node 2

Cisco NexusEthernet Switch

(stacked)

RAC Node 4

RAC Node 3

RAC Node 5

(2) FlashMAX II – 4.4TB Per NodeConfigured as Primary Storage using ASM26.4 TB Total RAC Storage Capacity

10GbE(Multiple VLANs)

Communications between FlashMAX PCIe Cards will share 10GbE ethernet ports, will use dedicated VLAN

RAC Node 1 RAC Node 6

Internal Cloud

Oracle 6-Node RAC on EthernetSix Node Oracle RAC ConfigurationDell R720 Intel Dual Port 10GbE NIC(2) HGST FlashMax II – 2.2TB

ALL DB storage is 100% flashRet Hat Enterprise Linux (6.4)Oracle RAC with ASM (11g)

Total DB size = 7+TBConfiguration is fully supported by Oracle

Page 30: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 30

1 TB 10 TB 100 TB$0

$100,000

$200,000

$300,000

$400,000

$500,000

$600,000

$700,000

$800,000

$900,000

$1,000,000

FlashMAX Exadata SAN

82% 91%

%Savings

70%78%

%Savings24%

50%

%Savings

Flash Storage for Oracle and Oracle RAC Consistently high all-flash performance with linear scalability

DBAs fully control storage resources with Oracle ASM

0.5 TB to 72 TB of flash in a standard x86 server

At a fraction of SAN or Exadata cost

Page 31: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 31

Oracle RAC Validation

2x HP ProLiant DL380p Gen8

Mellanox IS5023 QDR Infiniband Switch

1 X Dual Port Mellanox MT27500 [ConnectX-3] 40GB

Oracle 12c (Single Instance & Real Application Clusters)

Oracle Linux 6 Update 5 using ASMLIB

HGST FlashMAX vShare software enables shared server-side flash storage for Oracle RAC. This is the first configuration validated by Oracle using PCIe Flash.

2x HGST FlashMAX II 1.1TB

HGST FlashMAX II and vShare received Oracle Validation on April 8, 2014. The validated stack includes:

http://linux.oracle.com/pls/apex/f?p=102:2:1483545518795336::NO::P2_VC_ID:649

Page 32: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 32

MicrosoftExchangeSQL Server & SharePoint

• Reductions in latency

• Increases in IOPs

• Improved TCO & ROI

Page 33: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 33

SQL Server

33

• 48X improvement in report generation• 5X improvement in IOPs• Significant improvement in User Experience• Space and Power Savings

HP DL3 ServersHP LeftHand SAN

Before

Synchronous replicationBetween LeftHand Arrays

New HP Servers with FlashMAX II

After

Asynchronous replicationbetween PCIe Devices

Page 34: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 34

Microsoft Exchange

Latency 100ms

Before

Latency 2ms

After

• 120,000 mailboxes, 56 servers, replicated to SAN (DAGs)

• Average load time for 10MB attachment from 3 minutes to 5 seconds

Page 35: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 35

Tier 0 Tier 1 Tier 2 Tier n

Flash SAS SATA Cloud

Automated Tiering

2.2TB 2.2TB 550GB550GB

LUN 12.75TB

LUN 22.75TB

Windows 2012 Servers

Windows 2008 R2 Client

10Gbps Ethernet

1Gbps Ethernet

Ethernet Switch

. Full Clone Snapshot

. Differential Snapshot 1

. Differential Snapshot 2

. Differential Snapshot 3

. Full Clone Snapshot

. Differential Snapshot 1

. Differential Snapshot 2

. Differential Snapshot 3

Asynchronous Replication

Microsoft Storage Virtualization

Page 36: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 36

NoSQL Databases - MongoDB

Corosync

Pacemaker

Secondary vHA store for Shard1

Primary vHA store for Shard1

Sync

Secondary vHA store for Shard2

Primary vHA store for Shard2

Sync

MongoDB Shard 1 MongoDB Shard 2

MongoDB Query Router

Workload A Read /Write mix Workload B Reads 95% Workload F Update Workload F RMW0

1

2

3

4

5

6

7

HGST FlashMax II vs Fusion-io for MongoDB

HGST SSD

Fusion-IO

HGST 6x Faster

HGST 2x Faster

FIO slightly Faster

HGST 2.5x Faster

Page 37: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 37

Before

MASTER 1

SLAVE 1 (idle)

Rep

licat

ion

@ t

ran

sact

ion

MASTER 2

SLAVE 2 (idle)

Rep

licat

ion

@ t

ran

sact

ion

After

MASTER 1COPY of 2

MASTER 2COPY of 1

Rep

licat

ion

@ b

lock

-IO R

eplication@

blo

ck-IO

MySQL Reference Architecture:Active :: Active Database Replication

• Consolidate HA servers 2:1, CAPEX reduction• Much faster replication thanks to block-level vHA replication• All nodes are active masters and passively replicate volumes of peer at block level• On failure of a node, paired node runs 2 instances until recovery

Page 38: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 38

VM1 VM2 VM3 VM4 VM5 VM6

• Single points of failure

• Single server caching

• Dedicated Host/SSD

• Manage Individual SSDs/Hosts

Before

• No single points of failure

• Shared Cache Pool

• Shared Pool SSDs/VM

• Centralized SSD Management

VM4 VM5 VM6VM2 VM3VM1

After

vSpace for KVM Clustering (VSAN Alternative)

Page 39: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 39

ClusterCache for Block I/O SANs

Writes go to both Flash and backend storage

Reads from Flash unless Read-miss

Writes directly to flash, lazy writes to backend

Reads from flash, unless Read-miss

Writes only to backend storage

Reads from Flash, unless Read-miss

Write-through Mode

W R

ClusterCache ClusterCache

Write-back Mode

W R

ClusterCache

Write-around Mode

RW

Page 40: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2013 HGST, INC. | HGST CONFIDENTIAL 40

Thank You

Page 41: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2013 HGST, INC. | HGST CONFIDENTIAL 41

BACKUP

Page 42: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 42

Combining InnovationsMore disks, more bits per disk

Page 43: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 43

What is Shingled Magnetic Recording?

Conventional PMR HDD

Data in Discrete Tracks

SMR HDD

Data in Overlapped Tracks

For All Typical Datacenter Workloads

Full Random Reads and Writes

For Write Once, Read Many Workloads

Sequential Writes, Full Random Reads

Page 44: © 2014 HGST, INC. | HGST CONFIDENTIAL Giorgio Ippoliti Senior Technical Support Southern Europe & Israel HGST Products for Datacenter

© 2014 HGST, INC. | HGST CONFIDENTIAL 44

Data is recorded to Media Cache location

closest to the head

Final writing to homecompleted during

background idle time

Step1

Step 2

Enhanced Write Performance - ~2.5X avg. improvement in Random Write

performance for aligned 4Kn/512e workloads

Improved Reliability - 100% data integrity across unexpected power loss

Firmware Based Implementation- Sophisticated firmware algorithm implements

caching mechanism without additional flash or NVC

HGST’s disk-based caching technology provides a large Non-Volatile Cache (NVC) on the media that results in improved reliability and data integrity during unexpected power loss along with a significant improvement in write performance (even at high workloads compared to solutions with limited NAND or flash-based NVC)

Media Cache boosts write performance of 4Kn/512e aligned workloads up to ~2.5X

Media Cache

Note: Disk space used for Media Cache is < 1% of total user capacity and is separate

from the user LBA space