Description of problem: By default, etcdctl is invoked with ETCDCTL_ENDPOINTS set to all etcd members. However, when invoking snapshot backup, it should be invoked with a single endpoint. This is strictly enforced in the new etcd versions of 3.4.x. Version-Release number of selected component (if applicable): How reproducible: Always Steps to Reproduce: 1. Login to one of the master hosts 2. Attempt to take a backup by invoking cluster-backup.sh Actual results: In 4.5, where etcd is bumped to use 3.4.7, it fails with an error: Error: snapshot must be requested to one selected node, not multiple [https://10.0.145.58:2379 https://10.0.134.79:2379 https://10.0.137.186:2379 https://10.0.5.140:2379] Expected results: snapshot db and kube resources are successfully saved to backup directory specified. Additional info:
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:2409