rman-03009&ora-19587&ora-27072 of ORACLE Rman backup error

Host: Rhel 6.8

Database version: Oracle 11.2.0.4 RAC

In the recent Oracle database patrol, we found that there was a problem in the Rman backup of a city, the backup node RAC2 the database server with Oracle, and performed the backup check command times wrong:

Rman> crosscheck Backup;

Using target database control file instead of recovery catalog
Allocated Channel:ora_disk_1
Channel ora_disk_1:sid=179 Instance=orcl2 Device Type=disk
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE, STACK follows ===============
RMAN-00571: ===========================================================
rman-03009:failure of crosscheck command on Ora_disk_1 channel at 08/21/2017 16:21:45
Ora-19587:error occurred reading bytes at block number 1
Ora-27072:file I/O error
linux-x86_64 error:5: Input/output Error
Additional Information:4
Additional Information:1
Additional Information:-1
Ora-27047:unable to read the header block of file
linux-x86_64 error:5: Input/output Error
Additional Information:3

Check the storage space usage of the node RAC2 backup directory as follows, which is not caused by storage space full:

then, using Oracle Login Node 1 to perform a backup check, the command can be executed smoothly, as shown below, with 50 outdated backups found :

Then, perform an outdated backup delete operation on the node Rac1 and execute it successfully

After an expired backup is removed, the Backup check command for the node RAC2 can be performed normally:

Backups can also be initiated normally on the backup node RAC2:

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rman-03009&ora-19587&ora-27072 of ORACLE Rman backup error