dbms_dnfs and clone.pl

If you are using to use dbms_dnfs to clone your database as described in MOS note 1210656.1 or on Tim's Hall blog - Direct NFS (DNFS) Clonedb in Oracle Database 11g Release 2 (Patchset 11.2.0.2) and your database version is 11.2.0.3 there is (more...)

Next OakTable 2012 video is online

Hi,

This time Alex Gorbachev presentation about ASM failures - next videos on the way.


regards,
Marcin

New OakTable World 2012 video is published

Just published Kevin Closson video from OakTable World 2012.

Enjoy,

Marcin

Oracle on AIX – where’s my cpu time ?

This story begins couple of weeks ago when I was asked to look on performance problem for critical processes before go-live. There were differences between run times between different test systems and between runs with 10046 trace enabled or not.

First of all I started with tracing issue. I have checked server CPU and disk utilization using NMON (tool name is important here). There wasn’t any problem with CPU utilization – or at least this is what I was thinking at that time. Tracing was enabled with level 12 (bind and wait) and it generate 2 GB of trace file (more...)

OakTable World 2012 – Greg Rahn video

New video from OakTable World 2012 is available - Greg Rahn - Beyond Relational Databases

 

regards
Marcin