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Warning: Scanned Uninitialized Pool Default, Setid=5, Blksz=4096, 0 (Doc ID 427474.1)

Last updated on OCTOBER 02, 2019

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
This problem can occur on any platform.


The Alert.log file has regular occurences of this message:

Warning: scanned uninitialized pool DEFAULT, setid=5, blksz=4096, 0

One of the tablespaces in the database has a block size of 4K.

When trying to query the view dba_data_files to see where all the files reside, receive following error:

ORA-00379: no free buffers available in buffer pool DEFAULT for block size 4K.

After checking the init.ora, found that the db block size was set to 8K.


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