ORA-27123: unable to attach to shared memory segment


ORA-27123: unable to attach to shared memory segment

 Linux-x86_64 Error: 22: Invalid argument Typically the failures begin at 4am after an Exadata patch has been applied because prelink is automatically run by cron at that time.

Affects: X2-8 or X3-8 systems with a database whose SGA is 207G. This is described in bug 16426985. In a future release the prelink rpm will be removed from the Exadata installation. 


Solution: As root perform the following steps:

# rpm -e --nodeps prelink
# rm -Rf /var/log/prelink* /etc/cron.daily/prelink /etc/sysconfig/prelink /etc/prelink.conf /etc/prelink.conf.d;

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