Dell Inc. Bob Ganley

2013 3

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SSS .................................................................................. 3

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PCIe ........................................................................................... 5

SSD ......................................................................................................................................... 6

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SSS IT .............................................................................. 8

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SSS

SSS

SSS

Non-Volatile Memory NVMNVM

1. 2Gb SLC NAND Micron Technology, Inc.)

1 NAND NVM

NAND 1 1 Single Level Cell SLC

Multi-Level Cell MLC 1 MLC USB

NAND 2010 GB 3

2013 1 38% 2 RAID

GB GB

$1/GB

SLC 100,000 MLC 3,000

MLC eMLC 30,000

= = = =

1. ECC Relaxed 2. 3. ECC

2. NAND Micron Technology, Inc.

SLC SSD 100,000 600GB 5

24 450GB/h 100,000 SLC

100,000

SSS

1

40 ECC

ECC 5

3

• SSD) 3.5 2.5

• SSC) PCIe

• SSM) DIMM DRAM

HDDHDD SSD

HDD

SSD HDD IOPS1 I/O

100 200 IOPS HDD SSD 5,000 10,000 IOPS

SSD IOPS 40 SSD HDD

FC SASNL-SAS SATA

図 3. インテル® SSD 520

(画像提供： Intel Corporation)

SSD SSD

SSD 2

SSD HDD 2013 SSD GB HDD GB SSD SSD

IOPS IOPS

SSD HDD 1 SSD 1 1 HDD

10 HDD SSD IOPS/WSSD

IOPS/W HDD IOPS/W SSD

PCIe NAND DIMM DRAM PCIe

SAS SATA PCIe GB/s SAS SATA

MB/s

IT

• PCIe

• SSD

•

• 1

•

•

1

PCIe

PCIe I/O

I/O

Write-throughDAS Ack

Dell PowerEdge PCIe Express Flash SSD

Dell PowerEdge R720 12G PCIe

VM

PCIe

PCIe

1

DAS Fluid Cashe Dell Fluid Cache

1 SSS

NAND SSS

2 SSS

GB SSS

SLA

SSS

3 SSS

SAN

SAN SSS 1

4 SSS

SSS

図 4. Dell PowerEdge R720 サーバ内に設置された、

取り外し可能な PCIe フラッシュカード

for DAS 1.0 Dell PCIe SSD Fluid Cache OLTP

Dell TechCenter

Fluid Cache for SAN RNA Networks, Inc.

RDMA 2 1

2

Brian Payne

Compellent SAN)

SSD

1DAS) SSD

PCIe SSD GB DAS SSD

SSD SSD HDD

I/O

SAN/NAS DRAM SAN/NAS PCIe SSD

1/10 I/O

I/O

A)

BB

A

15,000/10,000 SAS/FC7,2000 SATA 1

SSD 1

SSD

LUN

LUN SSD

LUN SSD

IT

LUN LUN

LUN

SSD

図 5. コストと性能の比較（倍数は概算）

1

(SAN

LUN

2SSD HDD

DAS

2 SSD

FS/SAS/SATA

SSS IT

図 6. メタデータを使用してデータを最適なストレージに配置する自動階層化

OLTP SSD

SSD SQL Server® TPC-TPS 170%

Web

VDI

SSD SSD

SSD SSD

Northwest Mississippi Community College

48 Dell

EqualLogic PS6000XVS SAN NAND

SSDPS6000XVS SAN SSD

15,000 SAS

Michael Lamar

SSD SAN

74 54 26 % SAN Lamar

1 Nelnet, Inc.

SSD Dell Compellent SAN Compellent Data Progression

Nelnet IT Ryan Regnier

Microsoft SQL Server® 2008 Dell PowerEdge R710 2TB

SSD

Nelnet, Inc.

IT

Ryan Regnier

図 7. SQL Server® の性能向上

1 SSDData Progression 15,000 SAS 2

SSD

IT 1

SAN NAS

www.dellstorage.com

www.delltechcenter.com

Dell Performance Analysis Collection Kit DPACK)

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