Upon startup of Linux database get ORA-27102: out of memory Linux-X86_64 Error: 28: No space left on device
(Doc ID 301830.1)
Last updated on JULY 26, 2023
Applies to:
Oracle Database Cloud Schema Service - Version N/A and laterGen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Linux x86-64
Symptoms
When trying to increase the SGA to approach half available RAM with an Oracle 64-bit version on a Linux 64-bit operating system, even though SHMMAX is set to match half the amount of RAM, you get the following error when trying to start the instance:
ORA-27102: out of memory
Linux-x86_64 Error: 28: No space left on device
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Changes
shmall is too small, most likely is set to the default setting of 2097152
Cause
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