difference between bare metal and virtual machine

First item: Create a disk bare map.RDM (RAM Device Mapping) is a way for a virtual machine to use a physical disk directly through a map. VMware RDM is only for Sans (note: Map local disks are not provided).RDM is a file on a VMFS volume that is like a proxy or medium to the original physical device. We can think of RDM as a symbolic chain to the original LUN. Th

The following is the process of adding a new hard disk to the virtual machine and creating an LVM bare device to use with Oracle, and we learn together, there is not the right place to guide, thank you. Linux system is AS4 update 7 Before the experiment, understand some basic concepts, as follows: LVM (logicl Volume Manager), logical Volume Manager, through th

diagram loaded by the Dalvik virtual machine. The Davik virtual machine compiles the. java file into a. class file and converts the. class file into a. dex file, Dalvik to execute the. dex file. In fact, the. dex file is to put the constants, methods, and so on in multiple class files together. form the structure as s

bytecode files (. Class) and then packaged into a jar file, and then the Java Virtual Opportunity obtains the corresponding bytecode from the corresponding class file and Jar file The Android app is also programmed in the Java language, but after compiling it into a class file, a tool (DX) is used to convert all of the class files into a single Dex file, which then dalvik the virtual opportunity to read th

sandbox. Different applications run in different processes. Each android dalvik application is assigned an independent linux PID (app _*)) One of the primary differences between Dalvik and the standard Java Virtual Machine (JVM) Is that Dalvik is based on registers while JVM is based on stacks. Why is Dalvik based on registers? (1) the virtual

bytecode files (. Class) and then packaged into a jar file, and then the Java Virtual Opportunity obtains the corresponding bytecode from the corresponding class file and Jar file The Android app is also programmed in the Java language, but after compiling it into a class file, a tool (DX) is used to convert all of the class files into a single Dex file, which then dalvik the virtual opportunity to read th

Dalvik virtual machines exist in the Android system, the JVM is a Java virtual machine, both are virtual machines, what is the difference between them? This article compares the two to tell the difference between them.1. Definitio

Android Dalvik Virtual Machine (difference from Java Virtual Machine and brief execution principle), androiddalvik The location of the Dalvik virtual machine in the Android framework

the difference between a Java virtual machine and a Dalvik virtual machine:Java Virtual machineDalvik virtual MachinesJava virtual machines are stack -based. Stack-based machines must u

the virtual machine cannot exchange visits.In NAT mode, the host computer is the equivalent of a DHCP-enabled router, and the virtual machine is a real host in the intranet, which dynamically obtains network parameters through the router (host computer) DHCP. Therefore, in NAT mode, the

The difference between the server mode and the client mode in JVM of Java virtual machine, jvmclient Differences between JVM client mode and Server Mode The main difference between JVM Server mode and client mode is that-Server mode starts slowly, but the performance will be greatly improved once it starts up. JVM can

A virtual host is a server that can be divided into 1%, with very limited resources and no free configuration.Cloud Host is a host cluster, it breaks the traditional virtual host independent IP, independent system and configuration fixed defects, a number of virtual systems together to build system resource pool, to achieve data contribution, improve website acce

basically the same, I think the only difference is that the former is the Eclipse.exe set parameters when starting,The latter is the parameter in the JVM used by Eclipse. In fact, the two set a can, so here can put –launcher. Xxmaxpermsize and Next line use # comment out.4. Other start-up parameters. If you have a dual-core CPU, you might be able to try this parameter:-xx:+useparallelgcAllows the GC to execute faster. (only new parameters added to th