云计算与虚拟化技术 第9讲: Virtual machine 阮晓龙 13938213680/n@hactcm edu cn http://cloud.xg.hactcm.edu.cn http://www.51xueweb.cn 河南中医药大学信息管理与信息系统教研室 信息技术学院网络与信思系统科研工作室 2019.5
2 讨论提纲 Understanding Virtual Machines Examining Virtual Machines from the Inside Examining Virtual Machines from the Outside a Creating a Virtual Machine Values/Sizing/Naming/ Graphics Installing a guest Operating System /VMware Tool a Managing virtual Machines Adding or Registering Existing VMs Changing VM Power States /Removing/Deleting a Modifying virtual Machines Changing virtual Machine Hardware sing Virtual Machine Snapshots 河南中医药大学/阮晓龙/13938213680/htp/cloudxg.hactcm.edu.cn/http:/www5ucwebcn
3 1.Understanding VMs 1.1Examining Virtual Machines from the Inside a From the perspective of software running inside a vm, a vm is really just a collection of virtual hardware resources selected for the purpose of running a guest OS instance a By default, VMware ESXi presents the following fairly generic hardware to the Vm a Phoenix BIOS a Intel 440BX motherboard a Intel PCl AHCI controller IDE CD-ROM drive BusLogic parallel SCSl, LSI Logic parallel SCSI, or LSI Logic SAS controller 河南中医药大学/阮晓龙/13938213680/htp/cloudxg.hactcm.edu.cn/http:/www5ucwebcn
4 1.Understanding VMs 1.1Examining Virtual Machines from the Inside a From the perspective of software running inside a vm, a vm is really just a collection of virtual hardware resources selected for the purpose of running a guest OS instance a By default, VMware ESXi presents the following fairly generic hardware to the Vm AMD or Intel CPU, depending on the physical hardware a Intel E1000, Intel E1000e Standard VGa video adapter a VMware selected this generic hardware to provide the broadest level of compatibility across the entire supported guest OSs 河南中医药大学/阮晓龙/13938213680/htp/cloudxg.hactcm.edu.cn/http:/www5ucwebcn
5 1.Understanding VMs 1.1Examining Virtual Machines from the Inside D AVM can include the following types and numbers of virtual hardware devices Processors: between 1 and 128 processors with vSphere Virtual SMP(the number of processors depends on your vSphere licenses Memory: maximum of 6 TB of RAM SCSI controller: maximum of 4 ScSI controllers SATA cOntroller: maximum of 4 SATa controllers Network adapter: maximum of 10 network adapters a Parallel port: maximum of 3 parallel ports Serial port: maximum of 32 serial ports Floppy drive: maximum of 2 floppy disk drives on a single floppy disk controller A single USB controller with up to 20 USB devices connected a Keyboard, video card, and mouse 河南中医药大学/阮晓龙/13938213680/htp/cloudxg.hactcm.edu.cn/http:/www5ucwebcn