Problem:
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of backup command at 12/29/2015 05:09:31
RMAN-06059: expected archived log not found, loss of archived log compromises recoverability
ORA-19625: error identifying file /tmp/thread_1_seq_51256.712.898891279
ORA-27047: unable to read the header block of file
Linux-x86_64 Error: 25: Inappropriate ioctl for device
Additional information: 1
RMAN> delete noprompt expired archivelog all;
released channel: ORA_DISK_1
released channel: ORA_DISK_2
released channel: ORA_DISK_3
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=1618 device type=DISK
allocated channel: ORA_DISK_2
channel ORA_DISK_2: SID=1865 device type=DISK
allocated channel: ORA_DISK_3
channel ORA_DISK_3: SID=5 device type=DISK
List of Archived Log Copies for database with db_unique_name testdb
=====================================================================
Key Thrd Seq S Low Time
------- ---- ------- - ---------
1 1 51256 X 19-DEC-15
Name: /tmp/thread_1_seq_51256.712.898891279
deleted archived log
archived log file name=/tmp/thread_1_seq_51256.712.898891279 RECID=1 STAMP=898907388
Deleted 1 EXPIRED objects
Step 2:
RMAN> crosscheck archivelog all;