Tue Feb 19 00:19:40 2013 Active Session History (ASH) performed an
emergency flush. This may mean that ASH is undersized. If emergency
flushes are a r ecurring issue, you may consider increasing ASH
size by setting the value of _ASH_SIZE to a sufficiently large
value. Current ly, ASH size is 201326592 bytes. Both ASH size and
the total number of emergency flushes since instance startup can be
monito red by running the following query: select
total_size,awr_flush_emergency_count from v$ash_info; Tue Feb 19
00:20:00 2013 [30869434] Successfully onlined Undo Tablespace 17.
[30869434] **** active transactions found in undo Tablespace 2 -
moved to Pending Switch-Out state. [30869434] active transactions
found/affinity dissolution incompletein undo tablespace 2 during
switch-out. ALTER SYSTEM SET undo_tablespace='UNDO_YH1' SCOPE=BOTH;
Tue Feb 19 00:23:54 2013 [43255696] **** active transactions found
in undo Tablespace 2 - moved to Pending Switch-Out state. Tue Feb
19 00:24:07 2013
Tue Feb 19 00:25:14 2013
drop tablespace UNDOTBS1 including contents ORA-30013 signalled
during: drop tablespace UNDOTBS1 including contents ... Tue Feb 19
00:26:48 2013
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