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Tiered storage



Thegenerationofdemand

Thewaveofinformatizationissurging,andtheamountofenterprisedatahassurgedfromMBleveltoTBorevenPBlevel.ThediversificationofenterpriseproductsandserviceshasledtothebusinesslogicofITsystemsTheincreasinglycomplex.EnterpriseITsystemsarebecominglargerandlarger,andtherequirementsforthespeedresponseofITsystemsaregettinghigherandhigher.Traditionaldiskstoragesystemsseemtobeincapableofhandlinghigh-IOPSservices.

HiperSANseriesofhigh-performancestorageproductsarehigh-performancesolid-statestoragesystemslaunchedbyUDSAFEtomeettheincreasingIOPSdemandofenterpriseusers.Theproductintegratesindustry-leadingdiskandchanneltechnologiessuchasDRAMSSDand4GBFC,whichcanprovideextremelyhighI/OperformanceandmeetthedemandingIOPSrequirementsoffrequenttransactiondatabaseenvironments(suchasonlinetransactionsystems).Itcanbeusedasanindependenthigh-performancestoragesystemforenterpriseapplicationenvironmentswithfrequentI/OaccesstobuildaUDSAFEHiperSANsolution,anditcanalsobeusedasanimportantpartofatieredstoragesolutiontoseamlesslyintegrateintotheenterprise'soriginalSANenvironment.

Advantages

Excellentstorageperformance

AdoptDRAM-basedhigh-performancesolid-stateharddrives,singlediskIOPSupto20000;

TherandomaccesstimeofDRAM-basedhigh-performancesolid-stateharddrivesisonly20us,whichismuchlowerthanthems-levelaccesstimeofmechanicalharddrives;

Thestoragecontrolleradoptsprofessional64-bitPowerPC750GLCPU,themainfrequencyisupto800MHZ,andwith1024KBL2Cache,whichimprovestheefficiencyofinstructionexecution;

Thecontrollercacheadopts2GBDDRmemorymodule,withECCfunction,andthesystemcacheisupto4GB;

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DualcontrollerscanoperateindependentlyfordifferentRAIDgroups;

ASIC400hardwareverificationchipprovideshigh-speedRAIDcomputingperformance;

4GbhostchannelanddiskThechannelensureshigh-speeddatatransmission;

Dedicated18GbpsRCCcachesynchronizationchannel;

Dynamicmulti-pathloadbalancingfunctioncanobtain30%performanceimprovement.

Reliablestoragearchitecture

TheMTBFofDRAM-basedsolid-statedisksisashighas1000000Hours,whichismuchhigherthanthatofmechanicaldisks;

Solid-statedisksTheharddiskhasanenhancedBIT-levelmemoryerrorcorrectioncircuitandabuilt-inprotectionharddisktoprovidemultipledataprotection;

HighlyredundantredundantRAIDcontrollerandfault-toleranthardware;

RedundantdiskchannelsensurethateachdiskisconnectedtotwoFC-ALLOOPs;

ThecontrollermoduleandtheI/Ochannelmoduleareseparated,whichismoreconducivetosystemhardwaremaintenance;

Cablelessstructureisadoptedinsidethesystem;

Fullyredundantmodulardesign,onlinehotswappable;

Lithiumbatteryprotectionmodulecanensurethatthecontrollercachesdata72Hoursarenotlost;

Intelligentstressandprotectionmechanism;

Intelligentmulti-pathredundancyfunction.

Flexiblemanagementmethods

SupportWebBrowser,RS232,LCDmanagementpanel,JAVAGUI,Telnetandothermanagementmethods;

Supportin-bandmanagementandcentralizedmanagementfunctions;

SupportSNMP,EMAIL,SMS,FAXandotheralarmmethods.

RichFirmwarefunctions

SupportSMARTtechnology;

Supportlogicaldiskonlinecapacityexpansion;

SupportsautomaticRAIDreconstruction;

Supportsdynamicadjustmentofwritestrategy;

SupportsadjustableI/Oqueuedepth;

SupportslogicalvolumeStripedepthcanbesetseparately;

Supportlogicalvolumewritestrategytobesetseparately;

Supportwritestrategyadaptive;

SupportLUN-MAPPINGAndLUNreadandwritepermissionssetting;

SupportsRaidreconstructionprioritycustomization.

Problem

Atthebeginningofthebirthoftieredstoragetechnology,thereweremany"halos"aroundit,suchasthewidespreaduseofrelativelyinexpensivediskstoformarrays,whichpromoteddatalifecyclemanagementProcess,etc.Butwhatistheactualsituation?Inarecentresearchevent,analystsatTheInfoProfoundthatstoragevendorsareonlyissuing"badchecks."

TheindependentsurveyagencyTheInfoProconductedasurveyof153Fortune1000companiesinNorthAmerica.Theresultsshowthatusersareverydissatisfiedwiththemanagementperformanceofthetieredstoragesystem.

Dataoneachstoragelayercannotbefreelymigrated.Thisisthebiggest"bottleneck"...Themorelayersofthesystem,themoretroublesomeitistomanage.Infact,mostofthedataonthemarketStoragemanagementproductsstillhavecertaindifficultiesinmanagingheterogeneousstoragelayers.Inotherwords,inthepracticalapplicationoftieredstoragesystems,therearestillmanyobstaclestobeovercome.

Application

HiperSANhigh-performancestorageproducts,asanimportantpartoftheUDSAFEHiperSANarchitecture,areparticularlysuitableforITapplicationenvironmentswithdemandingIOPSrequirements,suchas:

Telecomcentralizedbillingsystem,callcenter

Financialsecuritiescentralizedtradingsystem,futuresreal-timetradingsystem,riskcontrolsystem

Powernetworksalessystem

Tobaccoandtobaccovisitingandmarketingsystem

Taxationandtaxationsystem

E-commerceonlinetransactionsystem

ManufacturingERP,CRM

…….

Aslongasthe“hotfile”ofhotdataisstoredinHiperSANhigh-performancestorage,I/Operformancecanbeimprovedseveraltimes.Itisrecommendedtodeploythe“hotfile”inHiperSANhigh-performancestorage.file"has:

DB2:logfile,index,temporarytablespace

Informix:RootDBStable,PHYSDBS,LOGDBS,andTMPDBS1

Oracle:Redologs,RollbackSegments,andTemporarytables

Progress:AI,BI,andTemporarytables

Sendmail:mqueue

Sybase:TransactionLogs,Tempdb,heavilyhittables

SQL:Heavilyhittables,Transactionlogs,andTemporarytables

SAP:PSAPBTABtables,PSAPCLUtables,PSAPSTABtables,Mtables

……

Typicalapplications

UsingHiperSANhigh-performancestoragestoragesystemtobuildUDSAFEHiperSANarchitecturetorealizehierarchicaldeploymentoforacledatabase.

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