Ran into dependency problems today trying to upgrade a Percona XtraDB server cluster. Yum shell to the rescue:
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[root@dbcluster02 ~]# yum -q -q shell > remove percona-xtrabackup-20 > install percona-xtrabackup-2.2.3 > update Percona-XtraDB-Cluster-client > update Percona-XtraDB-Cluster-server > transaction run |
This way I can run the remove and installs as part of a single transaction.