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This article mainly shows you "XenServer pool how to remove server setting master", the content is easy to understand, clear, hope to help you solve doubts, the following let the editor lead you to study and learn "XenServer pool how to remove server setting master" this article.

If the failure of the Master host in the Pool due to some reason causes the entire Pool to enter emergency mode, the recovery steps are as follows:

Enter the following command on the member server

# xe host-emergency-ha-disable (close HA)

# xe-toolstack-restart

These will shut down virtual machines running on member services

If you confirm that the original Master host cannot be recovered, you need to specify the Master host manually. To set a member server as a new Master host, enter the following command on that server:

# xe pool-emergency-transition-to-master

# xe pool-recover-slaves

Then run the following command on the original Master host to set it as a member server of Pool.

# xe pool-emergency-reset-master master-address=

If the original Master host crashes and can only be reinstalled, it cannot be added to the Pool after being reinstalled with the original machine name and IP address. You need to clean up the information of the host before adding it. Delete the host using the following command:

# xe pool-eject host uuid=

The search for UUID can be done with the following command:

# xe host-list

"in normal mode, to switch Master hosts, use the following command:"

# xe pool-designate-new-master host-uuid=

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The above is the reprinted part:

If you want to delete a server in a xenserver pool, make sure that the server is not a master

[root@xenserver-yefxrjsn ~] # xe host-list

Uuid (RO): 51926c54-9cfe-4cad-8b7f-ce8109ef2063

Name-label (RW): xenserver-yefxrjsn

Name-description (RW): Default install of XenServer

Uuid (RO): 49c7b331-23c6-41d6-a302-b2e7cc685128

Name-label (RW): xenserver-1

Name-description (RW): Default install of XenServer

Set xenserver-yefxrjsn to master, notice uuid

[root@xenserver-yefxrjsn ~] # xe pool-designate-new-master host-uuid=51926c54-9cfe-4cad-8b7f-ce8109ef2063

Then go to xencenter to check the xenserver-1 right button and you can remove.

The above is all the content of the article "how XenServer pool removes server Settings master". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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