1) By using DB mirroring concept we can create a mirrored volume of primary DB volume. If in case any of the primary DB volume is damaged (or) corrupted we can recover the DB data from the mirrored volume. We can create a copy (or) mirrored volume by using the below command.
Def dbcopy primaryDBvolumename CopyDBvolumename
2) By using LOG mirroring concept we can create a mirrored volume of primary LOG volume. If in case any of the primary LOG volume is damaged (or) corrupted we can recover the LOG data from the mirrored volume. We can create a copy (or) mirrored volume by using the below command.
Def Logcopy primaryLOGvolumename CopyLOGvolumename
Def dbcopy primaryDBvolumename CopyDBvolumename
2) By using LOG mirroring concept we can create a mirrored volume of primary LOG volume. If in case any of the primary LOG volume is damaged (or) corrupted we can recover the LOG data from the mirrored volume. We can create a copy (or) mirrored volume by using the below command.
Def Logcopy primaryLOGvolumename CopyLOGvolumename