Parallel backup is more efficient than serial backup.

并行备份比串行备份更高效。

youdao

Well, according to Informix, onbar has a better functionality than ontape; it can perform parallel backup and restore and that would be beneficial to overall performance.

根据Informix的说法，onbar具有比ontape更好的功能；它可以执行并行备份和恢复，将对整体性能有益。

youdao

Parallel backups allow the processing of several dbspaces ($ONCONFIG parameter BAR_MAX_BACKUP) simultaneously, thus reducing the overall backup time if the infrastructure is adequate.

并行备份允许同时进行几个 dbspaces 备份（由 $ONCONFIG 参数 BAR_MAX_BACKUP 控制），如果基础设施够用，那么这样做可缩短总体备份时间。

youdao