RMAN CONVERT FROM AIX DATAFILES TO EXADATA OVER NFS IS FAILING WITH ORA-27047

(Doc ID 1332827.1)

Last updated on JANUARY 17, 2014

Applies to:

Oracle Exadata Hardware - Version 11.2.0.1 and later
Information in this document applies to any platform.

Symptoms

RMAN convert of AIX datafiles to Exadata over NFS might fail with ORA-27047.

RMAN> 2> 3> 4>
RMAN-03090: Starting conversion at target at 03-APR-11
RMAN-06009: using target database control file instead of recovery catalog
RMAN-08030: allocated channel: ORA_DISK_1
RMAN-08605: channel ORA_DISK_1: SID=3477 instance=dwsit2 device type=DISK
RMAN-08030: allocated channel: ORA_DISK_2
RMAN-08605: channel ORA_DISK_2: SID=3864 instance=dwsit2 device type=DISK
RMAN-08030: allocated channel: ORA_DISK_3
RMAN-08605: channel ORA_DISK_3: SID=389 instance=dwsit2 device type=DISK
RMAN-08030: allocated channel: ORA_DISK_4
RMAN-08605: channel ORA_DISK_4: SID=776 instance=dwsit2 device type=DISK
RMAN-08589: channel ORA_DISK_1: starting datafile conversion
RMAN-08506: input file name=/data06/dwdb_11gr2/odscstd172.dbf
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of conversion at target command on ORA_DISK_1 channel at
04/03/2011 15:53:38
ORA-19505: failed to identify file "/data06/dwdb_11gr2/odscstd172.dbf"
ORA-17503: ksfdopn:8 Failed to open file /data06/dwdb_11gr2/odscstd172.dbf
ORA-27047: unable to read the header block of file
Linux-x86_64 Error: 206: Unknown system error
Additional information: 17
Additional information: -255274710


But if the datafiles are copied from AIX to an Exadata machine through NFS, the files can be converted successfully.


Cause

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