82 IBM BladeCenter PS703 and PS704 Technical Overview and IntroductionTable 2-13 Comparison of IVM, HMC, and SDMCCharacteristic IVM HMC SDMCGeneral characteristicsDelivery vehicle Integrated into the server A desktop or rack-mountedapplianceHardware/Software ApplianceFootprint Runs in 60 MB memory andrequires minimal CPU as itruns stateless.2-Core x86, 2 GB RAM, 80GB HD4-core CPU (Intel Nehalem orbetter), 8 GB RAM, 500 GBHD, 2 to 4 network interfacecardsInstallation Installed with the Virtual I/OServer (optical or network).Preinstall option available oncertain systems.Appliance is preinstalled.Reinstall through opticalmedia or network issupported.Hardware appliance ispreinstalled.Software appliance requiresx86 to be installed on.Multiple systemsupportOne IVM per server One HMC can managemultiple (non-blade) servers(48 systems/ 1024 LPARS)One SDMC can managemultiple servers (48systems/1024 virtual servers)High-end servers Not supported Supported Supported (hardwareappliance only)Low end &midrange serversSupported Supported SupportedBlade servers Supported Not Supported SupportedServer FamiliesSupportedP5, P5+: YesP6, P6+: YesP7: YesP5, P5+: YesP6, P6+: YesP7: YesP5, P5+: NoP6, P6+: YesP7: YesUser interface Web browser (no localgraphical display) and telnetsessionWeb browser (local or remote) Web browser (local or remote)Scripting andautomationVIOS command-line interface(CLI) and HMC compatibleCLI.HMC CLI SMCLIRAS characteristicsRedundancy andHA of managerOnly one IVM per server Multiple HMCs can managethe same system for HMCredundancy (active/active).Multiple SDMCs can managethe same system(active/backup).Multiple VIOS No, single VIOS Yes YesFix or updateprocess formanagerVIOS fixes and updates HMC e-fixes and releaseupdatesUpdate ManagerAdapter microcodeupdatesInventory scout through RMC Inventory scout through RMC Update Manager
