Post on 19-Aug-2020
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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