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Technical Blog



Read what's life like as an Technical consultant..



Updated: 2017-11-01T12:21:40.422+01:00

 



NetApp Plug-in for Oracle RMAN

2014-11-20T15:03:12.440+01:00

Nice feature for Oracle dba's to handle the backups using NetApp technology. Check this demo.. http://community.netapp.com/t5/FAS-Data-ONTAP-and-Related-Plug-ins-Articles-and-Resources/Video-NetApp-Plug-in-2-0-for-Oracle-RMAN-MML-Demo/ta-p/87711



CIFS performance problem

2014-09-10T09:04:51.858+02:00

Today we encountered some performance problems at our customer site. After checking with the customer it seemed that especially the CIFS shares were having problems. At first CIFS was getting slower until the shares were not even accessible anymore. Restarting the CIFS on the filer did solve the problem for a few minutes, but within half an hour the the problems were back again.  Checking the /



SYNC 2014 !

2014-07-24T20:18:17.202+02:00

Vanuit Proact organiseren wij het kennisplatform SYNC 2014 op 17 september in de Rotterdam Cruise Terminal. Alle hedendaagse IT-infrastructuurontwikkelingen in 1 dag: • Een interactief programma o.l.v. dagvoorzitter Lars Sørensen o.a. bekend van BNR • Een keynote van Marco Gianotten van Giarte, de Nederlandse “Gartner” op het gebied van Outsoucing/Managed Services • Huisman Equipment over de



Resizing MGMT_TABLESPACE in Grid Control 12c

2013-11-19T11:18:23.981+01:00

We noticed the MGMT_TABLESPACE in our 12c Grid Control instance was very big. Almost 380gb of data was stored in this tablespace. Because of all the targets registered in this Grid Control instance and the frequent usage of this Grid Control, I did not think anything was wrong. Untill someone looked into this and found out it was a bug in 12c... Note 1502370.1 describes this bug and also the



Oracle 12c beta exam...

2013-10-18T08:06:00.046+02:00

This morning I will be taking the Oracle 12c database install/admin beta exam..Hoping I am well prepared for this three hour exam...



Strange...

2013-09-20T16:31:21.727+02:00

I was checking Oracle 12c again, because of a beta exam end of october, and noticed something strange. This time I decided to install 12c Grid software first to use the 12c ASM for the 12c database. After installing ASM, I tried to check the disks available in ASM... [oracle@localhost ~]$ . oraenvORACLE_SID = [oracle] ? +ASMThe Oracle base has been set to /opt/oracle[oracle@localhost ~]$



Connect to pluggable database

2013-07-05T11:15:39.483+02:00

After creating the second pluggable database, next step is to connect to the pluggable databases and cretae a tablespace in one of them. Before connecting, be sure the pluggable databases are listed in the listener.ora.. LISTENER =  (DESCRIPTION_LIST =    (DESCRIPTION =      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))      (ADDRESS = (PROTOCOL = TCP)(HOST = localhost.localdomain)(PORT =



Oracle 12c plugable databases

2013-07-03T14:01:31.251+02:00

Last week I downloaded the new Oracle 12c database to check this new feature called 'Plugable database'. Using the runnstaller I fist created the 12c database with the 'Create as container database' option enabled. After installing the database, I dicided to use the dbca to create another plugable database. So, there should be 2 plugable databases and one container database right



Automatic Shared Memory Management problem ?

2013-03-14T11:30:26.003+01:00

From time to time one of out 10g databases (10.2.0.5) seems to 'hang' Our monitoring shows a 'time out' on different checks and when trying to connect using sql, the sql session is hanging. No connection is possible. A few days ago, something like this happened again. Instead of bouncing the database, I decided to look for clues to find out why the database was 'hanging'. The server itself did



Missing controlfiles ?

2012-12-10T14:51:03.383+01:00

During the backup check this morning, I noticed something strange.. The backup logfile was showing the following error :