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The content of this article mainly focuses on how to achieve the answers to various questions of ovirt. The content of the article is clear and clear. It is very suitable for beginners to learn and is worth reading. Interested friends can follow the editor to read together. I hope you can get something through this article!

1. Problems encountered in installing engine:

1. If there is a problem such as unable to verify key, you can turn off the ovirt source package gpgcheck.

2. If there is not enough memory for 4G, it cannot be initialized.

3. Reinstall the engine. The card is in the step of obtaining the ssl certificate, which needs to delete the previous ovirt certificate information. I don't quite remember the location here, probably in / etc/pki/ovirt-engine/ca.pem.

There is also a certificate of ca.crt, which can be found by fuzzy search and try one by one.

2. Solutions to the problems encountered when installing node hosts:

1. Whether hosts or dns is set up

2. Virtual machine does not enable cpu virtualization. Check whether cpu enables virtualization command # grep-E 'svm | kvm' / proc/cpuinfo

3. Node node does not install repo package of ovirt, such as # yum install http://resources.ovirt.org/pub/yum-repo/ovirt-release43.rpm

4. The version of node is different from engine.

5. If the node firewall is turned off, cancel the automatic configuration firewall.

III. Ovirt web management

1. The data center is not initialized. The host and storage domain must be configured before the data center can be activated.

2. Configure available services, such as nfs service, before creating a storage domain.

3. When doing experiments on the newly built virtual machine in VMware workstation, only the information of seabios is used to start the ovirt virtual machine, and then it is found that the simulator needs to be modified to rhev7.1.0, but it is generally not used to build it with a physical machine.

"when you create a new win7 virtual machine, you cannot start the virtual machine by selecting the window7x64 system option, then select other os, and then install the system."

Fourth, the way to obtain the driver package of window

1. # wget https://fedorapeople.org/groups/virt/virtio-win/virtio-win.repo-O / etc/yum.repos.d/virtio-win.repo

2. # yum install virtio-win-y

Download link: https://resources.ovirt.org/pub/ovirt-4.2/iso/) specific version and specific system version are different.

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