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Tuesday, July 10, 2012

AIX JFS mount with -cio option


Problem


GENERAL ERROR: Veritas NetBackup (tm) for SAP on-line backups of Oracle on AIX produce an "Error = 22: system call" error in the backint log.

Resolution:
Any JFS file systems with Oracle data must be mounted with the -cio option.  This will disable the use of file system cache.

Contact SAP support and request "Note 948294 - AIX JFS2: mount options to use with Oracle 10g" for additional information.  It will be necessary to have a valid login account to gain access to this SAP Note.
 https://service.sap.com/sap/support/notes/948294
This note indicates that starting with Oracle 11.2.0.2, the JFS2 filesysem  should be mounted o-cior - not -cio.

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