Hi All, Could someone help me here? I am getting ORA-19506: failed to create sequential file error. Solaris 64 bit,Oracle 64 bit, Version 9.2.0.6 <http://9.2.0.6>, Veritas Netbackup njd01dsmdbc01 oracle dnet141 /opt/oracle/product/9.2.0/scripts $ cd ${ORACLE_HOME}/lib njd01dsmdbc01 oracle dnet141 /opt/oracle/product/9.2.0/lib $ ls -l libobk.so lrwxrwxrwx 1 oracle dba 38 Aug 8 14:20 libobk.so -> /usr/openv/netbackup/bin/libobk.so64.1* njd01dsmdbc01 oracle dnet141 /opt/oracle/product/9.2.0/lib $ mv libobk.so libobk.so.orig njd01dsmdbc01 oracle dnet141 /opt/oracle/product/9.2.0/lib $ ln -s /usr/openv/netbackup/bin/libobk.so64.1 libobk.so RMAN> run { allocate channel t1 type 'SBT_TAPE'; allocate channel t2 type 'SBT_TAPE'; backup incremental level 0 skip inaccessible tag hot_db_bk_level0 filesperset 5 format 'bk_%s_%p_%t' (database); } 2> 3> 4> 5> 6> 7> 8> 9> 10> 11> allocated channel: t1 channel t1: sid=22 devtype=SBT_TAPE channel t1: VERITAS NetBackup for Oracle - Release 4.5MP6 (00000000) allocated channel: t2 channel t2: sid=23 devtype=SBT_TAPE channel t2: VERITAS NetBackup for Oracle - Release 4.5MP6 (00000000) Starting backup at 20-AUG-05 channel t1: starting incremental level 0 datafile backupset channel t1: specifying datafile(s) in backupset channel t2: starting incremental level 0 datafile backupset channel t2: specifying datafile(s) in backupset input datafile fno=00005 name=/u05/oradata/dnet1/snapshot_ts_01.dbf input datafile fno=00009 name=/u05/oradata/dnet1/tools_ts_01.dbf input datafile fno=00003 name=/u05/oradata/dnet1/user01.dbf input datafile fno=00008 name=/u05/oradata/dnet1/index_ts_01.dbf channel t2: starting piece 1 at 20-AUG-05 including current SPFILE in backupset including current controlfile in backupset input datafile fno=00007 name=/u05/oradata/dnet1/data_ts_01.dbf input datafile fno=00001 name=/u05/oradata/dnet1/system01.dbf input datafile fno=00002 name=/u05/oradata/dnet1/undo01.dbf channel t1: starting piece 1 at 20-AUG-05 released channel: t1 released channel: t2 RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-03009: failure of backup command on t2 channel at 08/20/2005 14:55:38 ORA-19506: failed to create sequential file, name="bk_2_1_566837730", parms="" ORA-27028: skgfqcre: sbtbackup returned error ORA-19511: Error received from media manager layer, error text: sbtbackup: Failed to open for backup. RMAN>