RMAN Backup fails with archivelog not found error ORA-19625: error identifying file Connect to RMAN promp $ rman target / $ crosscheck archivelog all; $ delete obsolete Got following error : RMAN-03002: failure of delete command at 01/06/2022 18:09:45 RMAN-06091: no channel allocated for maintenance (of an appropriate type) Solution: Allocate channel for maintenance type for each device type $ rman target / RMAN> allocate channel for maintenance device TYPE 'SBT_TAPE' PARMS 'SBT_LIBRARY=/usr/openv/netbackup/bin/libobk.so64'; using target database control file instead of recovery catalog allocated channel: ORA_MAINT_SBT_TAPE_1 channel ORA_MAINT_SBT_TAPE_1: SID=756 instance=prd1 device type=SBT_TAPE channel ORA_MAINT_SBT_TAPE_1: Veritas NetBackup for Oracle - Release 8.3.0.1 (2020081919) RMAN> allocate channel for maintenance device type disk; allocated channel: ORA_MAINT_DISK_2 channel ORA_MAINT_DISK_2: SID=883 instance=prd1 device type=DISK RMAN...