If you are using the VoltDB Community Edition, you can maintain, repair, and recover your database cluster manually
using the VoltDB system procedures and command line options. If a node fails when a cluster is running with K-safety, it is
possible to have the node rejoin the cluster using the
rejoin action on the command line. See the section
on "Recovering from System Failures" in the
Using VoltDB manual for information on using
You can also initiate and restore manual snapshots using the voltadmin save and voltadmin restore commands. See the section on "Performing a Manual Save and Restore of a VoltDB Cluster" in the Using VoltDB manual for details.