Tag Archives: virtualization

[Solved] libvirtd Error: virNetServerAddClient:271 : Too many active clients

error: virNetServerAddClient:271 : Too many active clients (20), dropping connection from 127.0.0.1; 0

Reason: The number of libvirt client links exceeds the maximum number allowed by libvirtd, causing new client links to be discarded
Solution: Temporary workaround: modify max_clients in /etc/libvirt/libvirtd.conf to be larger, then restart libvirtd
Long-term solution: locate the cause of client link overflow on the server

The following figure shows that the destruction of a large number of cvm sub machines on the server failed, resulting in client link overflow. The solution is to migrate the running cvm sub machines on the master machine, and then restart the master machine

[Solved] VMware Create a Virtual Machine Error: unsuccessful

VMware encountered a classic error when creating a virtual machine:

Attempting to start up from:
EFI VMware Virtual SCSI Hard Drive (0.0) … unsuccessful.
EFI VMware Virtual SATA CDROM Drive (1.0) … unsuccessful.
EFI Network…

Solution:
1 Find the VMX file in the installation directory of the virtual machine
2 Delete firmware = “EFI”
3 Save and restart the virtual machine to install normally

Failed to execute stage ‘setup validation’: cannot locate gluster packages

The author focuses on Java, architecture, Linux, applet, crawler, automation and other technologies. During the working period, I sorted out some information with tears, searched the way of programmer experts on wechat, and replied to keywords such as Java, hacker, crawler, applet and interview to get information for free.

catalog

1、 There is a problem

2、 Analyze the problem

3、 Problem solving

1. Install ovirt corresponding source

2. Forced update package

3. Install ovirt engine

OK, GAME OVER！

I. Problems

Today, after creating the host on ovirt, the installation failed. After checking the event, we found the following error:

An error has occurred during installation of Host hostGluster: Failed to execute stage ‘Setup validation’: Cannot locate gluster packages, possible cause is incorrect channels.

2、 Analyze the problem

The host needs to join the cluster, and the host joining the cluster must manually add the source of ovirt to operate!

3、 Problem solving

1. Install ovirt corresponding source

[ root@ovirt ~]# yum install https://resources.ovirt.org/pub/yum-repo/ovirt-release43.rpm

2. Forced update package

[ root@ovirt-test-04 ~]# yum update -y

3. Install ovirt engine

[ root@ovirt-test-04 ~]# yum install ovirt-engine -y

OK, GAME OVER！

The author focuses on Java, architecture, Linux, applet, crawler, automation and other technologies. During the working period, I sorted out some information with tears, searched the way of programmer experts on wechat, and replied to keywords such as Java, hacker, crawler, applet and interview to get information for free.