存儲(chǔ)服務(wù)器快照模塊的設(shè)計(jì)與實(shí)現(xiàn)

1、復(fù)旦大學(xué)碩士學(xué)位論文存儲(chǔ)服務(wù)器快照模塊的設(shè)計(jì)與實(shí)現(xiàn)姓名：李鈞生申請學(xué)位級別：碩士專業(yè)：計(jì)算機(jī)技術(shù)指導(dǎo)教師：高傳善20080908AbstractRecentyearstherapiddevelopmentofcomputernetworkresultsInmoreandmoreinformationbeingdigitalizedThetraditionalstoragesystemhaslosttheabilitytosatisfye

2、nterprises’needsforhighreliability，goodexpandabilityandsecurityAccordingly，SANappearsasanewnetworkstorageconceptOntheonehand，itcanprovidefastandconVe眥entstorageresourcesfortheapplication；Ontheotherhand，itcansharethestora

3、geresourcesandcanimplementcentralizedmanagementlthasbecometheidealstoragemanagementandapplicationpatternInthestorageserverbasedonSAN，SnapshotmoduleistheoneofthemostimportantcomponentsinthestorageserverTheauthor’scorporat

4、lonalwavsfocusestherelevanttechniquesaboutSAN，anddevelopsthemelnDroduction—thestorageserverbasedonSANTheauthorattendedthedevelopmentoftheproductandworkedonthesnapshotmoduleDuringtheprojectdevelopment，theauthorspentmuchti

5、metoresearcnthetechniquesaboutSAN，analyzedthepopularimplementsofthesnapshotFirstly，theauthorintroducedthekeyconcepts，allcomponentsandRAIDlevelofSAN，explainedthearchitectureandeachkeymodulesofthestorageserverThenhediscuss

6、edthecurrentimplementationaboutsnaDshot，analyzedtherelevanttechnicaldifficultiesinthesnapshotmodule。andexpatiatedthedesignandimplementationofthesnapshotmodulebasedonthecustomerrequirementsThenhetestedtheactualperforIIlan

7、cesofthemoduleandanalyzedthetestresultsInthetesthefocusedontheinfluenceofthismoduleonmainvolume‘sread／wnteperforIIlanceAtlast，hesummarizedtheadvantagesanddisadvantagesaboutthismoduleanddiscussedtheimprovementmethodsandth