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

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 and later
Information in this document applies to any platform.
This problem can occur on any platform.

Symptoms

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.

Cause

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