Monthly Archives: July 2010

How to change the file timestamp in Unix

How to change the file timestamp in Unix There could be a situation where we need to change the timestamp of the file to simulate a certain scenario (for example Dynamic Storage Tiering based on the file creation time).  We … Continue reading

Posted in Unix OS | Tagged | Leave a comment

ohasd failed to start: A specified file does not support the ioctl system call

While running root.sh for Oracle RAC 11gR2, it failed with following error stack.   Problem: root.sh fails with the following error: CRS-4124: Oracle High Availability Services startup failed. CRS-4000: Command Start failed, or completed with errors. ohasd failed to start: … Continue reading

Posted in Oracle Cluster Ready Services, Oracle Real Application Cluster | Tagged , | 5 Comments

CRS-0254: authorization failure

At time of re-creating the OCR & Voting disk using root.sh, I started getting following error. [Thread-26] [19:20:21:620] [StreamReader.run:65]  ERROR>CRS-0254:  authorization failure Following are the probable causes and their solutions 1. Raw Volume Ownership This will be the prime candidate … Continue reading

Posted in Oracle Cluster Ready Services, Oracle Real Application Cluster | Tagged , | Leave a comment

Cluster configuration screen shows 9i RAC Present

When installing Oracle 10gR2 RAC on AIX, cluster configuration screen was showing ‘Yes’ in ‘9i RAC Present’ column. I was bit surprised, as I never installed any 9i software on the cluster. Later I discovered that I didn’t cleanup few … Continue reading

Posted in Oracle Real Application Cluster | Tagged | Leave a comment

PRKC-1073 : Failed to transfer directory

After installing the CRS at the end got following error. WARNING: Error while copying directory /oracle/crs10gr2/inventory with exclude file list ‘/tmp/OraInstall2010-06-24_04-20-28PM/installExcludeFile.lst’ to nodes xxxxxxxx. [PRKC-1073 : Failed to transfer directory “/oracle/crs10gr2/inventory” to any of the given nodes ” xxxxxxxx “.  … Continue reading

Posted in Oracle Real Application Cluster | Tagged | Leave a comment

ORA-15020: discovered duplicate ASM disk

ORA-15020: discovered duplicate ASM disk Wanted to create an ASM diskgroup. I was testing something and forgot to change asm_diskstring parameter. I created few links in /dev/rdsk, which were pointing to the disks . ASM_DISKSTRING had both, original diskname and … Continue reading

Posted in Oracle Automatic Storage Management | Tagged | 2 Comments

ORA-27504: IPC error creating OSD context

On AIX 6.1, got following errors when I was trying to create / start the database instance. ORA-27504: IPC error creating OSD context ORA-27300: OS system dependent operation:sendmsg failed with status: 59 ORA-27301: OS failure message: Message too long ORA-27302: … Continue reading

Posted in Oracle Database Creation Assistant | Tagged | 2 Comments