STORAGE TECH MAP

Overview of data storage tech fields and branches

Storage, from computational viewpoint

Memory

Control Unit

Arithmetic Logic Unit

Accumulator

Input output

Storage

Control Unit

Arithmetic Logic Unit

Instruction Memory

Data Memory

Input/output

Storage

Von Neumann Arch Harvard Arch

JUST PERIPHERIALS!

What philosopher can tell

Storage is the NETWORK transferring data along time dimension.

-- Professor Xie, NUDT

So many terminologies around

Server SAN

Distributed storage Software defined

storage

Clustered storage

Object storage

Field map to sort out

Object

Block

File

Virtual storage

Clustered file

system Parallel file system /

clustered NAS

Switched disk array

Web scale distributed storage

Server SAN

NAS

SAN

Scale-out capability

NAS & SAN

RAID

File system

RAID

File system

AppAppNFS/CIFS

SCSI

NAS: Data sharing

SAN: Resource Sharing

Clustered file system

RAID

CFSApp

SCSI

CFS provide data sharing capability in SAN

Typical products:Symantec VCFSOracle OCFS2VMware VMFS……

CFSApp

SCSI

Virtual storage

RAID

Virtual storage is just additional block level aggregation on top of SAN

Typical products:IBM SVCEMC VPLEX

File system

App

RAID

Virtual Storage

Switched disk array

RAID CTL

Disk array with internal-linked multi controllers

Typical products:EMC VMAXHDS VSPIBM XIV

File system

App

RAID CTLRAID CTL

SCSI

Distributed file system / clustered NAS

Local FS

The earliest approach to distributed storage

Typical products:GlusterFSEMC ISILONIBM GPFS/SONASLustre/OpenSFSpNFSPVFS/OrangeFS

App

Local FSLocal FS

NFS/CIFS

Gobal FSGlobal FS

Global FS

Server SAN (distributed block storage)

App

Server SAN provides resource sharing like SAN, but no physical SAN devices needed

Typical products:EMC ScaleIOVMware vSANHP VSAIBM Spectrum-Accelerate

AppApp

EngineEngine

Engine

Network

Web scale distributed storage

Typical products:CephHDFSGoogleFSMooseFSMogileFS……Swift

Local FS Local FS Local FS Local FS

Object

Replica / EC

LIB / SDK / API

RESTful API

CinderS3/EBS

Block POSIX

/dev /mnt

App

What is object storage?

Local FS Local FS Local FS Local FS

Object

Replica / EC

LIB / SDK / API

RESTful API

CinderS3/EBS

Block POSIX

/dev /mnt

App

Part 2:Rich attribute unit

Part 1: API Driven Storage

Review this map again…

Object

Block

File

Virtual storage

Clustered file

system Parallel file system /

clustered NAS

Switched disk array

Web scale distributed storage

Server SAN

NAS

SAN

Scale-out capability

THANK YOU!

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