pacemaker troubleshooting

Tags: step cannot start initial file dex BSP and root login Troubleshooting Windows MySQL does not start the service experience without reporting any errors. I believe many people have encountered a variety of problems when installing MySQL, to teach you to solve the window under the MySQL service does not report any errors in the case can not start the problem. The MySQL version used in this article is version 5.7 or higher, and the workaround: Tools

create_table.sh to create the tables Tsdb need in HBase. This pit me for a few minutes, install the official document, what compression method is not important to create the table, and then run the script, the half-hour table is not created, the script by default will be Lzo way to select compression, is not built, you must write env compression= ' NONE ' on the command line ... Can. But my cluster is to support Lzo AH. But compared with tcollector, this is not a matter.TSDB configuration is al

Select cntr_value,* from Sys.dm_os_performance_counterswhere counter_name in (' Log Send Flow Control Time (ms) ', ' Bytes Sen T/sec ', ' Log Bytes sent/sec ', ' Log compressed Bytes sent/sec ', ' Log harden Time (ms) ', ' Log Send Flow Control time (ms) ',' Log Send Queue KB ', ' mirrored Write transactions/sec ', ' Pages sent/sec ',' Send/receive Ack time ', ' sends/sec ', ' Transaction Delay ')and Instance_name= ' * * * '; Send/receive Ack Time:Milliseconds that me

Tags: mysql error multiple instancesSince our server will be lent to some of our companies to use, but some companies do not have operations, are developing direct operations, resulting in a number of problems directly to me to deal with. To this end, also learn a lot.Recently, a friend because do not know the operation of what caused the server to hang up, so I contacted the room to start the machine after viewing the log, did not find any obvious log, just have a watchdog log information. So t

Tags: virtual machine tomcat MySQLIn the process of cloning a server into a test environment during a production, it is found that the relevant network configuration after cloning has been modified to the test environment, but it is reported that the following error occurred after Tomcat startup:Severity: standardserver.await:create[localhost:8021]:By troubleshooting Discovery/etc/hosts, the original IP address is bound, and the test address is modifi

The problem has occurred in the previous period:The table has a column number type rec_recordlength (two time interval length/sec)Some data statistics This field will appear "Calculate the operation Overflow" error, it is a headache, can not find the reasonAnd thenToday again, and then constantly troubleshooting, troubleshooting, found that there is a data caused by,Then this data is removed and reinserted.

Tags: location note xpl level image CPU occupies upload tool www.Symptoms:With the Eclipse win 64-bit version, both Indigo and Kepler have been recreated and have been tried and reproduced using Tomcat 6.0.39,jdk1.6.u45 and 1.7u45.The repro step is simple, it is easier to start with debug mode, Debug starts Tomcat, (mine is WebApp) and then the Eclipse Zombie is found at random point on the page, and any requests from the browser are stuck and cannot be received for execution.1, and then directl

It's really unfamiliar with Oracle's various errors, documenting the final troubleshooting record of a long-troubled problem.First, the symptom description:Plsql Unable to connect to the database, prompting: "Ora-12154:tns: Unable to resolve the specified connection identifier"Second, the process of troubleshooting Tnsnames.ora fill in no errors The monitoring service has started: Management tools -Se

Commercial password theft is pervasive! Recently, I helped my friends with lan troubleshooting, but no one thought of a commercial hacker. For the sake of identification, the author will restore this extraordinary network troubleshooting process. A friend is responsible for the company's HR and finance, and is also responsible for IT management. This is a well-known architectural design company in China. Th

After learning about DHCP, how can we apply it to actual operations? Many people are also unable to cope with many network errors. Next we will share our experience on Troubleshooting DHCP servers. An administrator suddenly finds that the IP address cannot be automatically obtained through the DHCP server, so he can remotely log on to the DHCP server to troubleshoot the problem. First, open the console, add the DHCP component, look at the server, and

Source: blog China Today, computers are moving towards multimedia and intelligent development, while speakers are an important part of multimedia devices. It can be said that speakers are the most direct computer peripherals in addition to displays, its quality directly affects the effect of multimedia computers. The following describes some common troubleshooting methods for multimedia speakers: When the speaker does not sound or only one sound, firs

Demonstration: Analysis and troubleshooting of RIP route updates Fault Background: In the network environment shown in 14.6, engineers configured the interface address on the corresponding interface and started the RIP route protocol throughout the network, for some special reasons, the vros2 S2/0 interface does not have a specific IP address configured. The Unnumbered IP address (ipunnumbered e1/0) is used ), in fact, the IP address on the S2/0 int

, the single-pickup module B) was also deployed on the scene, but the amount of the order generated was not reduced.second, on-site deployment diagramAfter receiving the email, we quickly began to troubleshoot the problem. Before troubleshooting the problem, we learned about the deployment of each module in the field, as shown in 1.Figure 1 Field deployment diagramthree, the cause of the initial analysisWe asked the field support staff to return to th

Linux Troubleshooting IdeasThe basic idea of troubleshooting: the computer itself will not make mistakes, it is a tool and a carrier, only according to the people entered the command or program execution. The error is due to people in the operation of the problem, or the design of the time when there are bugs, or even hardware defects and so on. 1. View failure Information location Failure1) First check the

The previous article introduced the online application of one of the troubleshooting: High CPU occupancy, this article mainly analyzes the high memory footprint troubleshooting. Java developers often encounter the following two kinds of exceptions: 1, Java.lang.OutOfMemoryError:PermGen Space 2, Java.lang.OutOfMemoryError:Java heap space To explain these two exceptions in detail, you need to simply revisit t

MySQL replication exception big literacy: Quick traceability and troubleshooting full solutionHttps://mp.weixin.qq.com/s/0Ic8BnUokyOj7m1YOrk1tAAuthor IntroductionWang Songlei, currently working in Ucloud, is engaged in the MySQL database core research and development work, mainly responsible for the Ucloud cloud database UDB kernel troubleshooting work and the new database features of the research and devel

We can undertake "VMware Vsan Hyper-converged virtualization Storage technology consulting, troubleshooting, project implementation Remote Installation deployment."We are a VMware Authorized Partner Reseller Enterprise certification, dedicated to VMware virtualization projects, online implementation (technical consulting, troubleshooting, project implementation).Project Charge Standard: VMware

Apache Server Troubleshooting Raiders application Server Apache browser configuration Management Network application with the popularization of network technology, application and the continuous improvement of web technology, Web Service has become one of the important service forms on the Internet. The original client/server model is gradually being replaced by the browser/server model. This article will focus on the

■ Ciscoasa # sh cpu usage this command is used to view the current CPU usage of the ASA. ■ Ciscoasa # sh memory This command is used to view the current memory usage of the ASA. Sh memory detail and sh memory binsize are used for advanced memory troubleshooting. Generally, do not use them. ■ Ciscoasa # sh blocks this command is used to view the usage of the ASA buffer. A total of 11 buffer sizes are used for processing different types of data packets

Connecting to the Oracle database and troubleshooting solutions This article is a summary of my connection to Oracle, especially suitable for program developers and Oracle cainiao.HowConfigurationTo connect the client to the database: To enable a client machine to connect to the Oracle database, you must install the Oracle client software on the client machine. The only exception is that the JDBC thin mode can be used when Java connects to th