A data distribution storing method comprising: recognizing, by a cluster manager (200-1, 200-2) managing a cluster comprising a plurality of nodes (N21 to N2n), a vehicle storage installed in a vehicle; transmitting, by the cluster manager (200-1, 200-2), a vehicle index request comprising identification information about the vehicle storage to an index server; receiving, by the cluster manager (200-1, 200-2), a first vehicle index corresponding to the vehicle index request from the index server, the first vehicle index comprising information about first vehicle data recorded in the vehicle storage; selecting, by the cluster manager (200-1, 200-2), a node (N2n) from among the nodes (N21 to N2n) of the cluster; transmitting, by the cluster manager (200-1, 200-2), a backup request comprising the identification information about the vehicle storage to the node (N2n); transmitting, by the vehicle storage, second vehicle data recorded in the vehicle storage to the node (N2n) for storing therein; receiving, by the cluster manager (200-1, 200-2), a backup response corresponding to the backup request from the node (N2n); generating, by the cluster manager (200-1, 200-2), a second vehicle index based on the first vehicle index and the backup response, the second vehicle index comprising information about the second vehicle data; and transmitting, by the cluster manager (200-1, 200-2), the second vehicle index to the index server, wherein the information about the first vehicle data included in the first vehicle index comprises a first recording time section during which the first vehicle data is recorded in the vehicle storage, wherein the backup request further comprises a second recording time section during which the second vehicle data is recorded in the vehicle storage, wherein a start time point of the second recording time section is the same as or after a finish time point of the first recording time section, wherein the node (N2n) transmits a vehicle data request to the vehicle storage, the vehicle data request comprising at least one of the start time point of the second recording time section and identification information about the node (N2n). recognizing, by a cluster manager (200-1, 200-2) managing a cluster comprising a plurality of nodes (N21 to N2n), a vehicle storage installed in a vehicle; transmitting, by the cluster manager (200-1, 200-2), a vehicle index request comprising identification information about the vehicle storage to an index server; receiving, by the cluster manager (200-1, 200-2), a first vehicle index corresponding to the vehicle index request from the index server, the first vehicle index comprising information about first vehicle data recorded in the vehicle storage; selecting, by the cluster manager (200-1, 200-2), a node (N2n) from among the nodes (N21 to N2n) of the cluster; transmitting, by the cluster manager (200-1, 200-2), a backup request comprising the identification information about the vehicle storage to the node (N2n); transmitting, by the vehicle storage, second vehicle data recorded in the vehicle storage to the node (N2n) for storing therein; receiving, by the cluster manager (200-1, 200-2), a backup response corresponding to the backup request from the node (N2n); generating, by the cluster manager (200-1, 200-2), a second vehicle index based on the first vehicle index and the backup response, the second vehicle index comprising information about the second vehicle data; and transmitting, by the cluster manager (200-1, 200-2), the second vehicle index to the index server, wherein the information about the first vehicle data included in the first vehicle index comprises a first recording time section during which the first vehicle data is recorded in the vehicle storage, wherein the backup request further comprises a second recording time section during which the second vehicle data is recorded in the vehicle storage, wherein a start time point of the second recording time section is the same as or after a finish time point of the first recording time section, wherein the node (N2n) transmits a vehicle data request to the vehicle storage, the vehicle data request comprising at least one of the start time point of the second recording time section and identification information about the node (N2n).