Prioritized leadership for data replication groups

A system, comprising:

• one or more processors;
• and
• memory including computer-executable instructions which, as a result of execution by the one or more processors, cause the system to:
• determine that a computing resource attached to a volume supported by a data replication group comprising a plurality of nodes has been migrated to a host computer system;
• and
• until specified criteria corresponding to the data replication group is met:
• determine, based at least in part on locations of the plurality of nodes relative to the computing resource, a particular node of the plurality of nodes to migrate;
• initialize a new node on the host computer system;
• replicate a state of the particular node to the new node;
• add the new node to the data replication group;
• and
• remove the particular node from the data replication group.

A non-transitory computer-readable storage medium storing executable instructions which, as a result of being executed by one or more processors of a computer system, cause the computer system to at least:

• upon migration of a virtual machine resource attached to a storage volume supported by a data replication group to a first physical host:
• determine a particular node of a plurality of nodes of the data replication group to migrate closer to the virtual machine resource;
• initialize a new node on a second physical host within a threshold distance of the first physical host;
• copy a state of the particular node to the new node;
• add the new node to the data replication group;
• and
• remove the particular node from the data replication group.