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How to install Percona Xtradb cluster on Centos8 combination with 5.7
I have two issues one I am unable to install Xtradb cluster on 8 on Centos 8 I tried few from the link below
I gets follwing :
[[email protected] ~]# yum install percona-xtradb-cluster
Percona XtraDB Cluster 8.0 release/x86_64 YUM r 118 kB/s | 2.9 kB 00:00
Percona XtraDB Cluster 8.0 release/noarch YUM r 117 kB/s | 2.9 kB 00:00
Percona Tools release/x86_64 YUM repository 120 kB/s | 2.9 kB 00:00
Percona Tools release/noarch YUM repository 116 kB/s | 2.9 kB 00:00
No match for argument: percona-xtradb-cluster
Error: Unable to find a match: percona-xtradb-cluster
Other question I have is a already have 3 node of Percona Xtradb Cluster 5.7 so can I add 4th node as Percona Xtradb Cluster 8 where 3 will be 5.7 and one will be 8 before I migrate all other to 8 .