并行备份比串行备份更高效。

Parallel backup is more efficient than serial backup.

youdao

如果计划执行并行备份或者希望能够执行指定到某一时间点的还原，则确保定期备份逻辑日志就非常重要。

It is essential that you ensure your logical logs will be backed up regularly if you plan to do parallel backups or want be able to perform point-in-time restores.

youdao

Informix的IDS V10之前的版本不允许在没有保存逻辑日志的情况下进行并行备份。

Informix versions before IDS V10 did not prevent you from doing parallel backups without saving your logical logs.

youdao