Failed to Start All Instances in the Starting Cluster Step of Cluster Installation


During cluster installation, an error occurs indicating that all instances fail to start in the Starting Cluster step.The HDFS checking script runs for more than 60 minutes if a server has a low hardware configuration. In this case, FusionInsight Manager stops the process of the checking script, resulting in a cluster startup failure.Procedure:1.Click Retry on the installation WebUI to reinstall the cluster.
2.After the cluster is successfully installed, click Finish.

Other related questions:
IAD how to start Implementation Process
IAD start configuration requires only the following three steps: 1. Configure the server's IP address 。 2. user Configure 。 3. The asi board or osu board pulled out of the line to the telephone For more details, please refer to the product documentation below The document type is selected to be the "select the corresponding model and version of the product documentation, product documentation" in the document configuration > manual configuration (WEB) > NGN/IP access PBX network section view, there are two options MGCP protocol or sip.

In a SQL Server Cluster Test, the Database Cannot Start When a DR Cluster Resource Node Fails and the Other Node Is Normal
1.Select a resource in the resource group. Right-click the resource. The Properties dialog box is displayed. Click the Policy tab. 2.Instructions on the configuration of the resource fault response policy are as follows: Period of restarts (mm:ss) Duration of a specific period (mm:ss), in which the cluster service counts the number of resource restarts. Maximum number of restarts in the specific period Specify the number of resource restarts you want the cluster service to perform in the specific period. If multiple attempts to restart the resource fail in the specified period, the cluster service will perform operations specified by other fields on this tab page. For example, if you set the maximum number of restarts in the specific period to 3 and the specific period to 15:00, then the cluster service restarts the resource three times in15 minutes. If the resource still fails to run, restart for the fourth time, and the cluster service will perform operations specified by other fields on the tab page. If restarts fail, switch over all the resources in this node. If restarts fail after you have tried for specified maximum times, control the response method of the cluster service: If you want to switch over the cluster service to the other node, select this box. If you want the cluster to continue to run on this node, delete this box. If all the restart attempts fail, restart it again after the specific period. If you want the cluster service to have an extended waiting period after you have tried to restart for specified maximum times, select this box. The extended waiting period is measured by hour and minute. After the waiting period, the cluster service will begin another restart cycle. The situation is the same no matter which node the cluster resides. 3.Configure cluster roles. Select the resource group where the resource resides. Right-click the resource group property. Click the Failover tab. The default maximum number of failures is n-1, where n is the number of nodes. You can modify this value. It is recommended that you set a smaller value, so that applications or services will not be switched between nodes all the time when multiple nodes fail.

Starting DeviceManager Demo
The steps to start DeviceManager Demo are as follows: 1. On the desktop of a maintenance terminal, choose Start > All Programs > DeviceManagerDemoforXXX > start demo. The Demo startup window is displayed. 2. Press any key to start the Demo service.

The AP fails to start
Perform the following operations to handle AP start failure: 1. Observe the status of the AP power indicator or the information output through the serial port to determine whether the AP is not powered on or the AP cannot start after power-on. - If the AP can be powered on but cannot be logged in, contact Huawei technical support. - If the AP cannot be powered on, go to step 2. 2. Check the AP's power supply mode. - If the DC power adapter is used to supply power to the AP, check the source of the power adapter. - If the power adapter is supplied with the AP, go to step 3. - If the power adapter is purchased from another vendor, check whether its rated output voltage and current meet the requirements for Huawei AP products. If not, replace the power adapter. It is recommended that you use the power adapter supplied with the AP. - If PoE is used to supply power to the AP, see "Why Does an AP's PoE Fail to Be Powered On" in Huawei support website. - For AC power supply, use a multimeter to check whether the cable connection is normal and whether the output voltage of the power supply meets AP requirements. You can also perform a cross test using other AC power supply devices. If the output voltage of the power supply does not meet AP requirements, contact Huawei technical support. 3. Perform a cross test on the AP using the DC power adapter. - If the AP cannot be powered on, contact Huawei technical support. - If the DC power adapter is faulty, replace it.

The AC fails to start
Two scenarios for AC start failure are as follows: - The AC can be powered on but cannot start, and the serial port does not display information. Rectify this fault by performing the following steps: 1. Check whether the power module functions properly. a. Measure the input voltage. Use a multimeter to measure the input voltage of the power module, and check whether the input voltage is in the operating voltage range of the power module. b. Remove and reinstall the power module. Unplug and plug the power module and its power cable to ensure that they are securely installed. c. Perform a cross test of the power module. Move the power module to another AC or replace it with another power module that can work normally in another AC, to determine whether the power module or the AC itself is faulty. If the test proves that the power module is faulty, send the power module back for repair. d. If the fault still occurs on the AC after the cross test, contact Huawei technical support. 2. Check whether there is obvious yellow mark on the interface. If the color of the connector turns yellowish, the fault may be caused by lightning strikes or surge current. The internal CPU chip may be damaged. In this case, dial Huawei customer service hotline and return the AC for repair (select the cause: F009 unexpected damage). Note: To protect the AC from lightning strikes or surge voltage, install a surge protector or a voltage stabilizer to ensure a stable running environment. 3. If there is no obvious mark, contact Huawei technical support. - The AC can be powered on and the serial port can display information, but the AC cannot start. a. If information can be displayed through the serial port, press Ctrl+B to enter the BootROM menu during the startup. Then, press CTRL+E to enter the test menu to check whether the SDRAM and flash memory are faulty. If so, dial Huawei customer service hotline and return the AC for repair. b. If not, dial Huawei customer service hotline or contact Huawei maintenance engineers to determine whether to upgrade the AC software or change other configurations. c. If the fault persists, contact Huawei technical support personnel.

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