When trying to install xtradb-cluster 8.0
[root@NJ01TST5024 yum.repos.d]# rpm -qa | grep -i percona
percona-release-1.0-13.noarch
[root@NJ01TST5024 yum.repos.d]# percona-release enable-only pxc-80 release
* Disabling all Percona Repositories
* Enabling the Percona XtraDB Cluster 8.0 repository
<*> All done!
[root@NJ01TST5024 yum.repos.d]# percona-release enable tools release
* Enabling the Percona Tools repository
<*> All done!

[root@NJ01TST5024 yum.repos.d]# yum install percona-xtradb-cluster
Loaded plugins: enabled_repos_upload, package_upload, product-id, search-disabled-repos, subscription-manager
http://repo.percona.com/pxc-80/yum/r...ta/repomd.xml: [Errno 14] HTTP Error 404 - Not Found
Trying other mirror.
To address this issue please refer to the below knowledge base article

https://access.redhat.com/articles/1320623

If above article doesn't help to resolve this issue please open a ticket with Red Hat Support.

http://repo.percona.com/pxc-80/yum/r...ta/repomd.xml: [Errno 14] HTTP Error 404 - Not Found
Trying other mirror.
rhel-7-server-rpms | 2.0 kB 00:00:00
rhel-7-server-satellite-tools-6.2-rpms | 2.1 kB 00:00:00
rhel-7-server-satellite-tools-6.5-rpms | 2.1 kB 00:00:00
No package percona-xtradb-cluster available.
Error: Nothing to do
Uploading Enabled Repositories Report
Loaded plugins: product-id, subscription-manager
[root@NJ01TST5024 yum.repos.d]# yum repolist
Loaded plugins: enabled_repos_upload, package_upload, product-id, search-disabled-repos, subscription-manager
repo id repo name status
epel/x86_64 Extra Packages for Enterprise Linux 7 - x86_64 13,411
mysql-connectors-community/x86_64 MySQL Connectors Community 118
mysql-tools-community/x86_64 MySQL Tools Community 95
mysql80-community/x86_64 MySQL 8.0 Community Server 129
pxc-80-release-noarch/7Server Percona XtraDB Cluster 8.0 release/noarch YUM repository 0
pxc-80-release-x86_64/7Server Percona XtraDB Cluster 8.0 release/x86_64 YUM repository 0
!rhel-7-server-rpms/7Server/x86_64 Red Hat Enterprise Linux 7 Server (RPMs) 24,540
!rhel-7-server-satellite-tools-6.2-rpms/x86_64 Red Hat Satellite Tools 6.2 (for RHEL 7 Server) (RPMs) 146
!rhel-7-server-satellite-tools-6.5-rpms/x86_64 Red Hat Satellite Tools 6.5 (for RHEL 7 Server) (RPMs) 62
tools-release-noarch/7Server Percona Tools release/noarch YUM repository 0
tools-release-x86_64/7Server Percona Tools release/x86_64 YUM repository 69
repolist: 38,570
Uploading Enabled Repositories Report
Loaded plugins: product-id, subscription-manager
[root@NJ01TST5024 yum.repos.d]#