pacemaker recall

; "style =" border-right-0px; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px "Title =" clip_image014 "border =" 0 "alt =" clip_image014 "src =" http://img1.51cto.com/attachment/201409/14/8914310_1410702726Kqpq.jpg "width =" 244 "Height =" 47 "/> After completion, define crmsh to put the crmsh RPM package under files. 650) This. width = 650; "style =" border-right-0px; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px "Title =" clip_image016 "borde

the system to find out the inconsistency or conflict between the software and the definition of the system. Differences: First, their test methods are different: Unit testing is a white box test; Integration testing is a gray-box test; System testing is a black box testing. Second, they have different scope of study, that is, their testing focuses are different: Unit testing mainly tests the data structure, logic control, and exception handling within a unit; The integration test mainly tes

1 Start the Docker service, which causes the running Docker to error if the Docker service stops, without switching2 Prepare the same image file on each node3 pcs resource Create My-docker1 docker image= "Index.alauda.cn/library/tomcat:9" name= "My-docker" run_opts= "-P 8,888:8,080 "4 Setting up PCs constraint colocation add my-docker1 VIP1 INFINITYThis article is from the "old section of the Cultivation of Life" blog, please be sure to keep this source http://031028.blog.51cto.com/9866455/18370

Operation thinking: Through the DRBD to achieve data synchronization, through the Corosync+pacemaker (hereinafter referred to as CP) to detect failures and transfer, only one of the normal state of work, the other only to detect and synchronize data, when there is a failure, Server2 automatically take over all business, and synchronizing the data to another (of course, it doesn't have to sync successfully at this point ...). This is illustrated below:

Tags: haproxy mariadb pacemaker CorosyncThe highly available solution keepalived just provides the simplest high-availability features, and the truly advanced features keepalived difficult to complete. Openais specifications provide a complete solution, but a lot of the weight of many features considered comprehensive, very detailed, to understand these we can be more in-depth understanding of the complete system of high availability, when encounterin

: Drbdadm----Overwrite-data-of-peer primary MySQL, making this VM a primary for the DRBD group. When you view the status of DRBD by Drbd-overview, you can see that two disks are synchronizing at this time:0:mysql/0 syncsource primary/secondary uptodate/inconsistent C r-----???? [A]. ..... ......... Sync ' ed:0.6% (20372/20476) MThe format is now on the master node: mkfs.ext4/dev/drbd0?At this point, the DRBD installation configuration is complete. At this point, you can only mount this DRBD disk

find the source RPM package, you can leave a message for me. RPM-IVH epel-release-6-5.noarch.rpm #安装 163 Source: wget Http://mirrors.163.com/.help/CentOS6-Base-163.repo 2. Set Pacemaker Source: Vi/etc/yum.repos.d/centos.repo #贴入如下内容 [Centos-6-base] name=centos-$releasever-base mirrorlist=http://mirrorlist.centos.org/?release= $releasever arch= $basearch repo=os Enabled=1 #baseurl =http://mirror.centos.org/centos/$releasever/os/$basearch/ 3

corosync+pacemaker+iscsi+httpd Implement Web High availability of servicesFirst, the introduction of softwareCorosync implemented is the Membership and Reliable Group Communication protocolPacemaker is based on corosync/linux-ha Implement service ManagementCorosync includes the following components: Totem Protocol EVS CPG CFG QuorumExtended Virtual synchrony algorithm (EVS) two features available: Synchronization of group membership lists; Rel

Source: http://blog.csdn.net/wangran51/article/details/7579100Recently has been doing related recommendations of research and application work, recall rate and accuracy of the two concepts occasionally encountered,Know the meaning, but sometimes it is very clear to the students to introduce a little turn.Recall rate and accuracy are the two concepts and indicators often involved in data mining prediction, Internet search engine and so on.Recall rate:

Corosync Introduction: Corosync can use a simple configuration file to define the way and protocol of information delivery when passing information. It is an emerging software, launched in 2008, but in fact it is not a real sense of the new software, in 2002, there is a project Openais, it is too large, split into two subprojects, which can achieve HA heartbeat information transmission function is Corosync, its code 60% Left or right from Openais. Corosync can provide a complete ha function, bu

Previously wrote a blog called Machine Learning Combat notes non-equilibrium classification problem: http://blog.csdn.net/lu597203933/article/details/ 38666699 the precision and Recall and ROC are explained, the difference is Precision,recall, F-score, MAP is mainly used for information retrieval, and Roc The curve and its metric AUC are mainly used for classification and identification,ROC 's detailed int

is the default data transmission model, can guarantee the integrity of the database. Installation Environment: centos6.5, installing the Corosync and pacemaker procedures, see the previous blog, the previous environment installed configuration interface is Crmsh, where the installation of PCs, the installation of PCs is relatively simple, #yum install pcs–y can After the installation is complete, the cluster status is as follows: 650) this.width=650

accuracy and recall rates are widely used in the field of information retrieval and statistical classification of two measures to evaluate the quality of the results. The accuracy is the ratio of retrieving the number of related documents and the total number of documents retrieved, and the precision of the retrieval system is measured; recall is the ratio of the number of related documents retrieved and t

Many concepts do not understand the internet. Take the basic concepts of "recall rate" and "accuracy rate" and look at the information on the Internet. When I use the information, I want to understand it in my mind, when someone else is ready to use it, you still have to think about it. I specially found some materials and sorted out these two concepts, hoping to be more proficient. Recall rate and accuracy

The mail recall function is a function available on many email servers. However, I feel that the mail recall function of most email servers is only a psychological comfort after the sender mistakenly sends an email. The reason is that after the sender clicks the send mail button, the sender will directly send it to the recipient's mailbox. If the sender sees the email, the sender will

Trade-offs between Preision and recallIs still an example of cancer prediction, when predicted as cancer, y=1; generally as a logistic regression we are hθ when >=0.5 (x) Y=1;When we want to be more confident in predicting cancer (for patients who say they have cancer that will have a significant effect on them, let them go to therapy, so be more sure to tell the patient cancer predictions): We can set the threshold to 0.7, At this point we will have a high precision (because the cancer is very

Because of the retrieval, I need to use the accuracy and recall rate (Precision-recall) index to measure the validity of the retrieval algorithm. As we all know, the precision-recall curve usually shows a downward trend, and even if the same retrieval method is used to retrieve different retrieval cases, the higher the accuracy rate of the search results, the low

I have been looking for precision and recall how to calculate, because always call the function of the relationship, I thought that TensorFlow has been encapsulated to write such a call method, has not been found, seems to be too lazy, lost the desire to do, in the following address to see the code written by others, Although it can not be used, it is also very important to inspire. Https://gist.github.com/Mistobaan/337222ac3acbfc00bdac def tf_confu

Introduction: You want to use the mail recall feature, now use the IBM Lotus Notes/domino V8 You can recover mail messages. Learn how the message Recall feature works, and how to configure, control, and deploy the feature in this article. The mail message recovery feature is one of the most needed IBM Lotus Notes/domino V8 features. By default, the server and client will enable this feature, allowing you t

We first login QQ mailbox. Test an email we sent it casually, then in "sent" to find the message we just sent and then we click on the recall message. Click Enter. In the Mail interface we click the "Recall" button Will you be prompted to confirm that you want to withdraw this email? Click OK Being withdrawn. Recall succeeded. Friendship tip: Mail