RE: Help intermittent failure of backup to disk

I have the same target database, the same OS, the same RMAN catalog the same RMAN script that backups to disk. Every so often (not regularly) I get the following error. I checked catalog table for backup_corruption in the target and nothing was listed. =20

Why would I get this error some days but not others? Also, it isn't on the database datafiles but on the backup file?

Help?

RMAN-03009: failure of backup command on d1 channel at 10/20/2004 01:31:40
ORA-19502: write error on file "/dbdumps/backups/df_t540005405_s232_p1", blockno
 380417 (blocksize=3D8192)
ORA-27063: skgfospo: number of bytes read/written is incorrect Additional information: 761856
Additional information: 1048576

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