Acustomerhasa16-corePower570with64GBRAM.Theyhave2VIOserversand4LPARs，allrunningveryheavydatabaseapplications.Storageisvirtualized.ThestorageisSANbasedandconfiguredviaMultiPathIOontheLPARs.Theusersarecomplainingaboutpoorperformance.TheVIOserversarereportin
题目
Acustomerhasa16-corePower570with64GBRAM.Theyhave2VIOserversand4LPARs，allrunningveryheavydatabaseapplications.Storageisvirtualized.ThestorageisSANbasedandconfiguredviaMultiPathIOontheLPARs.Theusersarecomplainingaboutpoor
performance.TheVIOserversarereportinglowCPUloadandlittlememoryusage.TheLPARsshow100%diskbusytimeandarerunningveryslowly，approximately6-10MB/sec.TheSANreportsLUNutilizationoflessthat20%busytime.
Whatshouldbedonetoresolvethisproblem？（）