Use this dialog box to enter specifications for the members of an online redo log group that will be used for creating a duplicate database.
Size
Use this space to enter the size of the online redo log group member.
SizeSpec
Select the size specification from the list to indicate that the value entered in the Size field should be interpreted as Kilobytes, Megabytes or Gigabytes.
Reuse
Specifies whether the database is allowed to reuse an existing file if one exists.