3par software

par does not support the strict meaning of the storage of double live, but its peerpersistence features are very interesting to store in a dual data center configuration. Here we take a RAC Application as an example to analyze it. Let's start with an architecture diagram to see how this architecture is going.650) this.width=650; "title=" 3par pp1.png "src=" http://s4.51cto.com/wyfs02/M01/80/7E/ Wkiol1dderbgdngraafvwdhjwuw793.png "alt=" Wkiol1dderbgdng

1. During synchronous remote replication, if there is a problem with the replication link, the synchronization is interrupted. The 3PAR can be configured to the following two coping modes: Failsafe mode: Two array hangs, does not provide service to host default mode: The primary array switches to class Async mode, which stores the changed data in the CPG 's remaining storage space where data VV resides, waits for the replication link to

Rapid database replication #基于HP 3Par Snapshot synchronization technology生产集群数据库，通过存储底层复制技术生成快照数据，利用快照数据，可以将数据库快速打开，新的数据库可以用于测试，恢复等用途。 下面是启动快速数据库的具体步骤，底层复制操作由存储厂家完成。 Confirm Host Environment Informationfgscrmdb#[/]machinfofgscrmdb#[/]hostname Check 3Par storage mount (Root)fgscrmdb#[/]3parinfo -i Device File Name Size [MB]==================================================/dev/rdisk/disk

"Data Recovery failure description"Company financial personnel for data maintenance, misoperation, in the financial software to initialize the data, because recently did not do backup, it caused a lot of financial documents lost.Because the financial data is very important, the customer is anxious to get back.The data Recovery Analysis "Engineer detection, in SQL Server database Enterprise Manager, discover what the

Software Engineering-software testing, Software Engineering Software Testing After the system is complete, it is time to test the system. This must have been the first system of acceptance. We are confident that the system will be accepted by the master. Once it comes to the master, nothing will happen, in addition, so

In the past, I have read many articles about the top ten essential tools for developing common professional software such as. NET and. Net programmers. Today, I don't want to introduce these professional software. I want to introduce some auxiliary software that is often used during development to help us complete better development. I recommend commonly used a

period, the CS is not, other industries worse. When the economy improves, CS lead. There's a representative billionaire who says, "Software will swallow the world." human beings just develop software, let the software command the machine, all other working bots will help you. You are the mouth cannon, these rich people use their own huge amount of money

Software can be roughly divided into: Free Software and non-free software Types of Free Software and non-free software.The following are some terms that are frequently mentioned when discussing free software. They explain which types overlap with others or are part of o

Tags: is system dependent upgrade ref Adobe Inux Director dir Most of our Linux system is a Linux manufacturer's system, so these vendors can compile some software to provide users to download, the user after downloading can be installed directly, thus eliminating the compilation of the source code and the process of various problems. At this point we can use the appropriate software manager to ope

It takes more than two years to develop programs! Make a small summary! Status Quo, At present, many software companies in China are still working in small workshops! After receiving a project, let's discuss how to do it. After the boss decides to make a decision, let's split our heads! As a result, a project started, and everyone was busy in the early stage! Everyone has their own jobs (some companies are unevenly allocated. If there are idle people,

1. An error occurred in the Software Center when I deployed the software before. (I have no problem with the configuration) 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M01/4D/0E/wKioL1RJ9DiDXYC5AAPVOD6oVpE212.jpg "Title =" 1.jpg" alt = "wkiol14259didxyc5aapvod6ovpe212.jpg"/> error message: there is no space for downloading software. The download si

[Soft engineer Video] software, software engineering, and engineering video Software Engineering I am now learning about the soft engineer video and summarize what is the origin of software and software engineering. Seeing this figure, the blur of "

The structure diagram proposed by Yourdon is another powerful tool for software structure design. A structure diagram is similar to a hierarchy diagram, and is also a graphical tool for describing software structures, in which a box represents a module with the name or main function of the module; the arrow (or line) between the boxes represents the calling relationship of the module. Because the formula is

17. Software evaluation development and evaluator 17.1 the work principle of the surveyorFor software testers, the tasks and objectives are as follows:(1) The basic goal of software testers is to find bugs, which is the first condition for testing.(2) The purpose of software testing is to verify requirements,

The first version of each software project is beautiful. The new project starts from scratch and all content is newly developed. Because of all-new development, there is no historical burden. The first version has very few bugs. Of course, programmers also try their best to do their best. This means that in the eyes of developers, the first version can be regarded as perfect: the code is beautiful, the design is good, and the architecture is excellent

How does win10 uninstall software win10 Delete software programs and how does win10 Delete software? Baidu knows that there are still software that does not know how to uninstall and install on Windows 10. Although the interface functions of Windows 10 have changed a lot, there are still several methods to uninstall

1. Project Design The dominant idea of project design can be understood as two types: full design and simple design. Full Design refers to investigating various aspects of the software before writing specific code, analyzing detailed requirements, and compiling all development documents, after all the procedures are designed, write the code again. In other words, after all the plans are completed, we can see the final view and start the war again. Thi

The factors that determine the maintainability of the software are:1) comprehensible 2) testability 3) modifiable 4) Portability 5) reusabilityWhat measures should be taken:1) Improved accessibility: Modular • Detailed design documentation • Structured design • Documentation within the program and good high-level programming language2) Improved testability: Good documentation is essential for diagnostics and testing, and

, restart, run multiplatform platform for pure Web application, after the background modification, the end user refreshes the page to complete the deployment, do not need any business interruption, to ensure that the business system 7x24 hours available. Safety Based on the large risk of ActiveX security The use of industry-standard EMACSCRIPT/W3C and other international norms, all procedures are operating in the sandbox, complete security procedures. F

://mmbiz.qpic.cn/mmbiz/ orl2fuhmgza7kelwrxqsic1z3g8ofo4udicqyyvlaqmeak0rwmjcvk1fdnosfpqc33e761viazee2xnq1szsgmr9g/640?wx_fmt=png Wxfrom=5wx_lazy=1 "alt=" 640?wx_fmt=pngwxfrom=5wx_lazy=1 "/>Simple summary:Storevirtual also has some gaps in the support for storage of dual live (such as HDs GAD, Huawei Hypermetro, etc.) because VSA does not see quorum, automatic switching on the storage side. But Storevirtual was one of the first products to adopt Sds/sbs thought. From the sales situation is very s