Hi Richard, Oracle DB backup was launched with several sessions to TSM Stgpool. If this pool is disk and TSM migrated to tape the info, TSM migrated the data from disk to a tape node by node . Another possibility is if you are using collacation group. In case, TSM ran backup stgpool from Oracle Stgpool data to CopyPool, TSM is backing up in a sequencial way the data from primary to copy pool.
Regards, Fran ----- Mensaje original ---- De: Richard Mochnaczewski <[email protected]> Para: [email protected] Enviado: miércoles, 14 de enero, 2009 19:47:53 Asunto: Oracle RMAN Restore Behaviour Hi *, We have one large Oracle database ( 600Gb ) which is backed up nihgly using 8 threads in about 2 hours. We have a dedicated storage pool for this one database. When it comes times for DR, we restore the storage pool and then have the DBA restore the database. However, whenever the DBA tries to initiate the restore using multiple threads, the restore defaults to one instead of launching several as would be expected. Number of mount points are correct on the server and dsm config . Why is this occurring ? Rich
