11GR2 role separation causes dba_views to fail
- From: John Hallas <John.Hallas@xxxxxxxxxxxxxxxxxx>
- To: Oracle-L Group <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 3 May 2012 14:31:43 +0100
If anybody is interested in helping me with run a test case that indicates that
access to V$views is random depending on what is in the buffer cache no matter
what user privileges are provided then can they drop me a mail please and I
will send a test case. It does not appear to fail on linux but it does on HPUX
(11:31) 11GR2 - all versions
Some teasers are below
Select username from dba_users; - success
Select tablespace_name from dba_tablespaces - success
Select file_name from dba_data_files - success
The select from the dba views is successful, as the data has been cached.
Flush the shared pool
SQL> alter system flush shared_pool;
System altered.
SQL>
SQL> select username from dba_users;
select username from dba_users
*
ERROR at line 1:
ORA-00604: error occurred at recursive SQL level 2
ORA-01115: IO error reading block from file (block # )
ORA-01110: data file 1: '+DATA/dbatest/datafile/system.269.781706107'
ORA-15081: failed to submit an I/O operation to a disk
Thanks
John
DBA Team Leader
Wm Morrison Supermarkets PLC
Tel 0845 611 4589 Mob: 07876 790540
E-mail: john.hallas@xxxxxxxxxxxxxxxxxx
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