asmcmd cp: ORA-27052: Unable To Flush File Data Linux-x86_64 Error: 5: Input/output Error
(Doc ID 2356834.1)
Last updated on DECEMBER 15, 2022
Applies to:
Oracle Database Cloud Schema Service - Version N/A and laterOracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
using asmcmd cp to copy from ASM to NFS
Symptoms
On : 12.1.0.2 version, STORAGE
asmcmd cp: ORA-27052: unable to flush file data Linux-x86_64 Error: 5: Input/output error
ERROR
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ASMCMD-8016: copy source '+FRA/<name>/DUMPSET/<name>_20171218.180001_01.dmp' and target '/mnt/dbstor/<name>/export/<name>_20171218.180001_01.dmp' failed
ORA-27052: unable to flush file data
Linux-x86_64 Error: 5: Input/output error
Additional information: 1
ORA-15120: ASM file name '/mnt/dbstor/<name>/export/<name>_20171218.180001_01.dmp' does not begin with the ASM prefix character
ORA-06512: at "SYS.X$DBMS_DISKGROUP", line 486
ORA-06512: at line 3 (DBD ERROR: OCIStmtExecute)
STEPS
-----------------------
The issue can be reproduced at will with the following steps:
+ asmcmd cp +FRA/<name>/DUMPSET/<name>_20171218.180001_01.dmp /mnt/dbstor/<name>/export
The goal here is to move backups to another host that has a tape drive, this one does not.
Then it can be backed up and the dmp file deleted. Usually this works, but not always. Why?
If I retry enough it will probably succeed. The error implies the file is corrupt, this is not the case.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |