METHOD, DEVICE, AND COMPUTER PROGRAM PRODUCT FOR DETERMINING DATA RECOVERY DURATION

Technique for determining a data recovery duration involve determining a plurality of phases of data recovery. Such techniques further involve determining, based on a metadata metric set of a phase in the plurality of phases, a recovery duration of the phase, the recovery duration of the phase representing a duration required for recovery of the phase. Such techniques further involve determining the data recovery duration based on the recovery duration of the phase. Accordingly, a data recovery duration can be accurately predicted, and a user can know in advance how long data unavailability will last, which helps the user make a decision to schedule the data recovery in an appropriate time period, thereby being more effective and efficient for the user.