Use of RMAN maxpiecesize command To avoid large size of backupset we can set maxpiecesize of rman backup piece. I have taken following backup without setting any parameter : RMAN> backup database; Starting backup at 29-DEC-17 allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=8 device type=DISK channel ORA_DISK_1: starting full datafile backup set channel ORA_DISK_1: specifying datafile(s) […]