Multiplex control file in 11gR2 RAC ASM

After creating 11gR2 RAC database, we wanted to enable multiplexing for the control files. Oracle recommends multiplexing the control files . We are using ASM for the storage of control files. At the time of creating the database by dbca we can do multiplexing or we can also do later manually as described below. Goal:- […]

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Rebuilding / Moving MGMTDB on Grid Infrastructure 12c

I must thank my fellow DBA Franky Weber Faust for his publication in his blog. In this article, we are going to know about how to rebuilding/moving MGMTDB on grid infrastructure 12c. Stop the ora.crf resource on each node in your cluster and disable it so that it does not start automatically:

If your […]

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Displays information on all long operations

COLUMN sid FORMAT 999 COLUMN serial# FORMAT 9999999 COLUMN machine FORMAT A30 COLUMN progress_pct FORMAT 99999999.00 COLUMN elapsed FORMAT A10 COLUMN remaining FORMAT A10 SELECT s.sid, s.serial#, s.machine, ROUND(sl.elapsed_seconds/60) || ‘:’ || MOD(sl.elapsed_seconds,60) elapsed, ROUND(sl.time_remaining/60) || ‘:’ || MOD(sl.time_remaining,60) remaining, ROUND(sl.sofar/sl.totalwork*100, 2) progress_pct FROM v$session s, v$session_longops sl WHERE s.sid = sl.sid AND s.serial# = […]

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Lists all locked objects for whole RAC

COLUMN owner FORMAT A20 COLUMN username FORMAT A20 COLUMN object_owner FORMAT A20 COLUMN object_name FORMAT A30 COLUMN locked_mode FORMAT A15 SELECT b.inst_id, b.session_id AS sid, NVL(b.oracle_username, ‘(oracle)’) AS username, a.owner AS object_owner, a.object_name, Decode(b.locked_mode, 0, ‘None’, 1, ‘Null (NULL)’, 2, ‘Row-S (SS)’, 3, ‘Row-X (SX)’, 4, ‘Share (S)’, 5, ‘S/Row-X (SSX)’, 6, ‘Exclusive (X)’, b.locked_mode) […]

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