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1 Copyright 2015 FUJITSU shaping tomorrow with you ETERNUS DX8700 S3 ETERNUS DX8900 S3 Dirk Rasche Senior IT Consultant

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Page 1: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

1 Copyright 2015 FUJITSU

shaping tomorrow with you

ETERNUS DX8700 S3

ETERNUS DX8900 S3

Dirk Rasche

Senior IT Consultant

Page 2: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

2 Copyright 2015 FUJITSU

Product Lineup

Page 3: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

3 Copyright 2015 FUJITSU

ETERNUS DX8000 S3 series – the main messages

Flexible scalability in

capacity and performance

Purpose built for large

enterprises and

service providers

New with

DX8000 S3

Guaranteed service levels

with zero downtime

Page 4: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

4 Copyright 2015 FUJITSU

Product Lineup

Rack

mount

model

ETERNUS DX8000 S3 Series

ETERNUS DX8000 S3 Series reduces the initial investment in a large-scale system

environment and operational costs for storage integration

DX8700 S3 DX8900 S3 (8CM) DX8900 S3 (24CM)*

Maximum drive number 1,536 1,536 4,608

Maximum physical capacity

SAS 1843.2 [TB] 1843.2 [TB] 5529.6 [TB]

NL SAS 4608.0 [TB] 4608.0 [TB] 13824.0 [TB]

SSD 2457.6 [TB] 2457.6 [TB] 7372.8 [TB]

Maximum cache capacity 1,024 [GB] 2,048 [GB] 6,144 [GB]

Maximum number of ports FC 16G/8G/4G

iSCSI 1/10G FCoE 10G

128 64

64

FC 16G/8G/4G

iSCSI 1/10G FCoE 10G

128 64

64

FC 16G/8G/4G iSCSI 1/10G

FCoE 10G

384

192

192 *1 From Nov., 2015

Page 5: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

5 Copyright 2015 FUJITSU

Family architecture for data growth

Family design allows to grow with the business

ETERNUS DX offers extensive scalability within a model

ETERNUS DX allows to scale by upgrading to bigger model within the range

ETERNUS DX8700 S2

ETERNUS DX200 S3

ETERNUS DX90 S2

ETERNUS DX100 S3

ETERNUS DX80 S2

ETERNUS DX600 S3

ETERNUS DX440 S2

ETERNUS DX500 S3

ETERNUS DX410 S2

ETERNUS DX60 S3

ETERNUS DX60 S2

Available since 12.2013

ETERNUS DX S3

DX60 S3 DX100 S3 DX200 S3 DX500 S3 DX600 S3 DX8700 S3 DX8900 S3 Number of

Disks 24 144 264 528 1,056 1,536 4,608

Max Capacity 144TB 864TB 1,584TB 3,168TB 6,336TB 4,608TB 13,824TB

Max. Memory 4GB 8GB 16GB 64GB 128GB 1,024GB 6,144GB

GA 04/2015

ETERNUS DX8700 S3/

DX8900 S3

Page 6: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

6 Copyright 2015 FUJITSU

Hardware Features

Page 7: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

7 Copyright 2015 FUJITSU

Built for leading scalability in performance

8× 2× 8×

Up to 6 TB

DRAM

Cache

Up to 67 TB

SSD cache

SAS3

drive interface

PCIe (Gen 3)

Interconnect

Multicore

(6/10)

Mutlithread

SMP, 64 Bit

OS

Faster Pumps,

Bigger Pipes

I/O Performance Bandwidth Bus Performance

Compared to biggest predecessor model

LIMITS

Page 8: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

8 Copyright 2015 FUJITSU

The latest high-performance CPU DX8900 S3: 3.0GHz, 10 core

DX8700 S3: 2.6GHz, 6 core

SSD (PFM) directly connect to CM using PCIe

Latest Technology

CE: Controller Enclosure, FE: Frontend Enclosure,

DE: Drive Enclosure, CM: Controller Module,

CA: Channel Adapter, PFM: PCIe Flash Module,

BUD: Boot up and Utility Device, FRT: Frontend Router,

SVC: Service Controller, SW: Switch, IOC: I/O Controller,

INF: Interface, EXP: SAS Expander, MP: Mid Plane

BBU: Battery Backup Unit, CPSU : CE Power Supply Unit ,

DPSU : DE Power Supply Unit , IOM:I/O Module,

FPSU : FE Power Supply Unit, FANU : Fan Unit

:Batteries :Power input

SVC#0

SVC#1

FRT#0

FRT#1

FRT#2

FRT#3

CPU

CPU

FE

FE#0

FE#1

FPSU

FANU

FPSU

FANU

CE: Controller Enclosure, FE: Frontend Enclosure,

DE: Drive Enclosure, CM: Controller Module,

CA: Channel Adapter, PFM: PCIe Flash Module,

BUD: Boot up and Utility Device, FRT: Frontend Router,

SVC: Service Controller, SW: Switch, IOC: I/O Controller,

INF: Interface, EXP: SAS Expander, MP: Mid Plane

BBU: Battery Backup Unit, CPSU : CE Power Supply Unit ,

DPSU : DE Power Supply Unit , IOM:I/O Module,

FPSU : FE Power Supply Unit, FANU : Fan Unit

: Cooling fans

CM#0

CE

PFM CM#1

PFM

EXP EXP

CPSU

BBU

PFM PFM

IOC1 IOC0

Memory

IOC0 IOC1

Memory

BUD BUD

CPSU

CPU CPU

CA CA CA CA CA CA CA CA

BUD BUD

INF INF

Controller

Drive

DE

DE

DPSU

・・・ MP

DPSU IOM IOM DPSU

・・・ MP

DPSU IOM IOM

DPSU

・・・ MP

DPSU IOM IOM DPSU

・・・ MP

DPSU IOM IOM

to Other CEs

DE

DE

SW

SW

SW

SW Controller Controller

Multiplex all components inside of controller enclosure

New

Internal bus speed: Two times faster*

PCIe 2.0 -> PCIe 3.0

Drive interface speed: Two times faster*

SAS-2 (6Gbit/s) -> SAS-3 (12Gbit/s)

Page 9: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

9 Copyright 2015 FUJITSU

Frontend Enclosure

ETERNUS DX8700S3 / DX8900S3

MP

FR

T

FR

T

SV

C

PSU

・・・

FE

CE

PSU

MP

FR

T

FR

T

SV

C

PSU

PSU

CE CE

FE#0

FE#1

CE: Controller Enclosure, FE: Frontend Enclosure,

CM: Controller Module,

FRT: Frontend Router, SVC: Service Controller,

PSU : Power Supply Unit , MP: Mid Plane

Page 10: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

10 Copyright 2015 FUJITSU

CE

DX8000 S3 Quad Star Architecture

Difference between DX600 S3 and DX8000 S3

Front End routers

realize any-to-any

connection

Each CM is connected

to any FRT

Drive Enclosures

are connected with

full redundancy

FE: Front End Enclosure | FRT: Front End Router | CE: Controller Enclosure | CM: Controller Module | CA: Channel Adapter | PFM: PCIe Flash Module | IOC: I/O Controller

EXP: SAS3 Expander | DE: Drive Enclosure | INF: PCIe3 Interface

FE

FRT 3 FRT 0 FRT 1 FRT 2

CM CM

CA CA CA CA PCIe3

INF PCIe3

INF

PFM Extreme Cache

PFM Extreme Cache

DE DE

DE

DE DE

DE

Page 11: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

11 Copyright 2015 FUJITSU

CE CE

FE

DX8000 S3 Quad Star Architecture

DE DE DE

FRT FRT FRT FRT

FE: Front End Enclosure | FRT: Front End Router | CE: Controller Enclosure | CM: Controller Module | DE: Drive Enclosure

CM CM CM CM

CA

CA

CA

CA

DE

Page 12: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

12 Copyright 2015 FUJITSU

CE 1 CE 2 CE 11 CE 12

FE

DX8000 S3 Quad Star Architecture

FE: Front End Enclosure | FRT: Front End Router | CE: Controller Enclosure | CM: Controller Module | DE: Drive Enclosure

The (almost ) full picture

DE DE DE DE DE DE DE DE

FRT FRT FRT FRT

CM CM CM CM CM CM CM CM

Page 13: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

13 Copyright 2015 FUJITSU

Flexible Quad Star Architecture

Massive scalability of capacity and performance

FRT = Front-end Router

CM = Control Module (= storage controller)

Scale-out architecture

with up to 24 storage

controllers

Modular scalability

of capacity and performance

PCIe (3rd gen) interconnect

for high system performance

Active-active cross-access

for optimized load-balancing

Page 14: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

14 Copyright 2015 FUJITSU

Minimizes negative impacts of single controller failure on system performance

Fujitsu Unique Multiplex Controller Method

Controllers are multiplexed by Fujitsu

Unique Cyclic CM method. Multiplexed CMs minimize

negative influences of single controller

failure on system performance .

Quad FRTs, units for CM communication,

and quad paths secure high performance. Even if an FRT fails, remaining three paths

between CM-FRT minimize impacts on

system performance.

FE

FRT#0 FRT#1 FRT#2 FRT#3

CE#0

CM#0 CM#1

CE#1

CM#0 CM#1

Cache Cache

Cache Cache

Cache

Cache

Cache

Cache

Quad paths

Data is always written into cache

memory on multiple CMs.

If one controller fails, data is duplicated

onto cache memory on different CMs

to maintain redundancy.

CE: Controller Enclosure, CM: Controller Module, FE: Frontend Enclosure, FRT: Frontend Router

* In case of 2CE

configuration. Cyclic CM

Page 15: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

15 Copyright 2015 FUJITSU

Better response times with Extreme Cache

A maximum of 67,2 TB of SSD cache can be used (24 CMs)

Used as read only cache for dedicated LUNs

When loading a complete data base (SAP, Oracle) into

the SSD caches random-read accesses of OLTP applications will be accelerated

Faster response times for business analytics, better service levels

Controller 3

Cache

CPU 2nd

SSD

Cache

Controller 2

Cache

CPU 2nd

SSD

Cache

Controller 1

Cache

CPU 2nd

SSD

Cache

Controller 3

Cache

CPU 2nd

SSD

Cache

Controller 2

Cache

CPU 2nd

SSD

Cache

Controller 1

Cache

CPU 2nd

SSD

Cache

Controller 24

Cache

CPU 2nd

SSD

Cache …

Page 16: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

16 Copyright 2015 FUJITSU

Improved Interface Flexibility

Able to select optimal host interfaces for various operating environment

Enhanced

Effective for sequential access to file servers, etc.

For open servers

FC 16G/8G/4G

iSCSI 1G/10G FCoE 10G

ETERNUS DX8000 S3

Host interface No. of ports Max. # of hosts

ETERNUS DX8000 S3 Series

FC 4G/8G/16G 4-128 (DX8700 S3, DX8900 S3)

4-384 (DX8900 S3 (24CM))

8,192 iSCSI 1G/10G 4-64 (DX8700 S3(DX8700 S3, DX8900 S3)

4-192 (DX8900 S3 (24CM)

FCoE 10G

Page 17: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

17 Copyright 2015 FUJITSU

ETERNUS DX8000 S3 upgrade

DX8700 S3

DX8900 S3

Data

in place

upgrade

Field upgrade possible

Start small and grow in Capacity

Start small and grow in Compute power

Page 18: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

18 Copyright 2015 FUJITSU

Expansion of Host Interface

CM: Controller Module, CA: Channel Adapter

Able to expand max. FC 384 ports, max. FCoE/iSCSI 192 ports (24CM model) *1

Expand ports by adding CA

Able to mix different types of interfaces

Able to mix multiple types of CA cards

FC(4 ports)

Min. configuration

ETERNUS DX8700 S3

/DX8900 S3

CM

CA

CM

CA

FC

Mix diffe-

rent I/Fs

FC(384)

CM

CA CA CA CA

CM

CA CA CA CA

CM

CA CA CA CA

FC

24CM

CM CM

FC/iSCSI/FCoE

FC

CA

FC

(1G)

CA

FC

LINK

CA

OC

LINK

CA

FCoE

CA

iSCSI

(1G)

CA

FC

CA

iSCSI

(10G)

CA

CM

FCoE

CA

iSCSI

1G

CA

FC

CA

iSCSI

10G

CA

CM

FC

CA

FC

CA

FC

CA

FC

CA

FCoE FC iSCSI

Flexible support of business extension

*1 Scheduled release in Nov, 2015

Page 19: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

19 Copyright 2015 FUJITSU

Support of Various Drives (2.5”)

Small and power saving 2.5" drives are supported

SAS 12Gbit/S Drive interface

1.6TB SSD is newly supported

SAS drive SSD

800 GB 400 GB 1.6TB

Non-encrypting drive

Self-encrypting drive

900GB 1.2TB

10,000 rpm

15,000 rpm

300GB 600GB

300GB 600GB 900GB 1.2TB

Non-encrypting drive

Self-encrypting drive 800 GB

Page 20: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

20 Copyright 2015 FUJITSU

Support of Various Drives (3.5”)

Support various disk drives

SAS 12Gbit/S Drive interface

Supports new disk drives/SSD

Nearline SAS drive

7,200 rpm

4TB 2TB 6TB

SSD

800 GB 400 GB 1.6TB

Self-encrypting drive

Non-encrypting drive

4TB

Page 21: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

21 Copyright 2015 FUJITSU

Operation Interface

Page 22: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

22 Copyright 2015 FUJITSU

Operability Improvement of Web GUI

Intuitive operability

Easy operation by just selecting an item and operation (e.g.) Create volumes

Select an item to be

operated

Select category

Status can be confirmed

(Select the item to be

operated)

Main display

Only the items that can be

operated are displayed

Select action

Enter conditions

Click the "Create"

button

Easy operation by following

information

Dedicated screen for

operation is displayed

Select from

the menu

Operation is

completed

Menu (Volume) Select category (Volume list is displayed) Select "Create" Action (Operation on Create Volume screen)

Page 23: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

23 Copyright 2015 FUJITSU

Encrypted transmission by SSL/https, SSH Server Keys Support

Encrypted transmission between ETERNUS DX and client PC

All CLI transmission get encrypted by SSH Support

Server Certificate, SSH Server Keys

Server Certificate, SSH Sever Keys enable to block masquerading

Port Open/Close control on network service

>xxxxxxx

Client PC

ETERNUS DX8000 S3

GUI (https)

CLI (SSH)

LAN

SSL: Secure Socket Layer | SSH: Secure Shell

Protected CLI and WEB access

Page 24: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

24 Copyright 2015 FUJITSU

Operation Efficiency

Page 25: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

25 Copyright 2015 FUJITSU

Better Service Levels thanks to AST

Automated Storage Tiering (AST)

AST is key for balancing performance,

capacity and costs

The chunk sizes for AST have been

reduced to 252 MB for finer granularity

A scheduler supports data relocation

tasks

Benefits

Increased utilization of SSDs

Less unpredictable system behavior

Better Quality-of-Service

Better cost/performance ratio

Page 26: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

26 Copyright 2015 FUJITSU

Minimizes administrative efforts

Easy settings per volume

Three priority levels:

High – Middle – Low

Easy Automated Quality of Service

Page 27: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

27 Copyright 2015 FUJITSU

Auto QoS and AST Integration

Quality of Service & Automated

Storage Tiering in concert

If QoS is not able to achieve the

required target response time,

priority data will be moved to

faster media using the

automated storage tiering

function

Efficient and automated to get

best performance

Page 28: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

28 Copyright 2015 FUJITSU

Copy/Backup

Page 29: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

29 Copyright 2015 FUJITSU

Remote Copy Connection Matrix

Interfaces connectable to ETERNUS DX8000 S3 Series

ETERNUS DX S3 series FC, iSCSI

ETERNUS DX S2 series FC, iSCSI

ETERNUS DX S1 series FC

ETERNUS 4000/8000 FC

ETERNUS 3000/6000 N/A

Page 30: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

30 Copyright 2015 FUJITSU

Transparent failover eliminates risks of system down

Storage Cluster is effective for the failure at Virtualized integrated Base infrastructure.

For planned outage, Storage Cluster can offer the non-disruptive system.

Storage Cluster

Normal Operation

Primary Secondary

Server

I/O

Access

Primary storage failed

- Volumes are mirrored by REC function

- When the primary storage fails, the server starts to use the secondary volume automatically

and continues the operations.

FC-CA FC-RA

Switch

Primary Secondary

Server

Switch

FC-CA : Fiber Channel Adapter RA : Fiber Channel Remote Adapter

Failover REC

FC-CA FC-RA FC-CA FC-RA FC-CA FC-RA

Page 31: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

31 Copyright 2015 FUJITSU

Data Protection

Page 32: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

32 Copyright 2015 FUJITSU

Supported RAID List

ETERNUS DX8000 S3 Series supports the following RAID configurations

D

C

B

A

C

A

D

B

D

C

B

A

D

C

B

A

D

C

B

A

D

C

B

A

C

A

D

B

C'

A'

D'

B'

D

C

B

A

O

K

P-EFGH

D

M

I

E

A

P-MNOP

J

F

B

N

P-IJKL

G

C

P

L

H

P-ABCD

D

C

B

A

P

K

P-GH

D

M

P-IJ

E

A

N

I

P-EF

B

O

P-KL

G

C

P-OP

L

H

P-CD

P-MN

J

F

P-AB

D

C

B

A

N

P2-IJKL

P1-EFGH

D

M

I

E

A

P1-MNOP

J

F

B

P2-MNOP

P1-IJKL

G

C

O

K

P2-EFGH

P1-ABCD

P

L

H

P2-ABCD

RA

ID 0

R

AID

1

RA

ID 1

+0

RA

ID 5

R

AID

5+

0

RA

ID 6

Divides data into blocks, and

writes them to multiple drives

in a dispersed manner (striping)

Writes data to two drives

simultaneously (mirroring)

Combination of RAID0 and RAID1

Stripes mirroring data

Writes striping data and parity

data created. Distributes parity

data to multiple drives.

Able to recover from one drive

failure in the RAID array

Stripes 2 groups of RAID5

Distributes two types of parities

to different drives (double parity).

Able to recover from two drive

failures in the RAID array

Page 33: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

33 Copyright 2015 FUJITSU

Fast rebuilding eliminates risks of system down

Reduction on rebuilding time of Disks (from 9 hours to 1,5 hours for 1TB)

Instead of many to one, many to many is used

The capacity efficiency is 55% to 80% which is higher than that of competitors

Equivalent performance to the conventional RAID.

Fast Recovery

Logical volumes are divided into

several sections. All HDDs

contain reserved area. (Note) Fast Recovery requires RAID6-FR

Volume.

Reserved Area consumes User Area.

When disk failure occurs,

rebuilding to reserved

areas is performed at

once.

(1) (3)

Parity -

Reserved Area

(2) Parity

-

Parity

(5) -

(4) (6) -

Reserved Area

Disk#0 Disk#1 Disk#2 Disk#3 Disk#n

RAID6-FR

Reserved Area

Reserved Area

Reserved Area

(X) (Y) Parity

(1) (3)

Parity -

Reserved Area

(2) Parity Parity

-

Parity (3) (5) ~

(1) (4) (6) -

Reserved Area

Disk#0 Disk#1 Disk#2 Disk#3 Disk#n

X Y Parity

Page 34: ETERNUS DX8700 S3 ETERNUS DX8900 S3 - Fujitsu · PDF fileETERNUS DX allows to scale by upgrading to bigger model within the range ETERNUS DX8700 S2 ETERNUS ETERNUS DX200 S3DX60 S3

34 Copyright 2015 FUJITSU

CE: Controller Enclosure DE: Drive Enclosure

Conventional cabling (cascade) Reverse cabling D

E#

03

Failu

re

IOM1

DE#01 IOM0 IOM1

DE#02 IOM0 IOM1

DE#03 IOM0 IOM1

DE#04 IOM0 IOM1

DE#01 IOM0 IOM1

DE#02 IOM0 IOM1

DE#03 IOM0 IOM1

DE#04 IOM0 IOM1

DE#01 IOM0 IOM1

DE#02 IOM0 IOM1

DE#03 IOM0 IOM1

DE#04 IOM0 IOM1

DE#01 IOM0 IOM1

DE#02 IOM0

DE#03 IOM0 IOM1

DE#04 IOM0 IOM1

CE CM0 CM1

CE CM0 CM1

CE CM0 CM1

CE CM0 CM1

Tolerance against DE failure

DE

#0

3 F

ailu

re

If DE#03 fails, impossible to

access DEs behind DE#03.

Cascade connection

(Connected to next DE) Reverse connection

(Connected to last DE))

Access to other expansion

enclosures in the chain is

secured.

In the case of DE failure, reverse cabling allows CM to access to other expansion DEs.

Cabling between a CM and last drive enclosure in the connection chain ensures fault tolerance.

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Key take aways

Flexible scalability in capacity and performance Grow up to 24 CMs, grow up to 4608 Disks, use of AST, newest HW/SW

Guaranteed service levels with zero downtime Automatic QoS, Use of Storage Cluster Option

Purpose built for large enterprises and service providers No single point of failure, Quad Star Architecture, Multiple CMs

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ETERNUS DX Extranet

Primeweb ETERNUS DX Disk storage systems Specifications, System Design & Configuration (Password needed)

More information

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37 Copyright 2015 FUJITSU