Database Memory & 4030/4031 (MOSC)

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sga_target requirement

edited Oct 8, 2009 2:14AM in Database Memory & 4030/4031 (MOSC) 3 commentsAnswered
 I tried to configure ASMM. I set sga_target to my sga_max_size which is 600M. However, the system says I can not set the sga_target and asks me to check alert log for possible reasons. I didn't find any intuitive messages. But I did find the following messages in the alert log file:

Starting ORACLE instance (normal)
Wed Dec 24 10:28:45 2008
System parameter db_block_buffers enabled without VLM on.
Wed Dec 24 10:28:45 2008
WARNING: EINVAL creating segment of size 0x00000000254a2000
fix shm parameters in /etc/system or equivalent
LICENSE_MAX_SESSION = 0
LICENSE_SESSIONS_WARNING = 0
Picked latch-free SCN scheme 3
Autotune of undo retention is turned on.

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