Oracle Forums Debacle

jarneil | Aug 27, 2008 03:10 -0600
You all are probably aware that over the weekend of 23rd August, the Oracle Forums underwent an upgrade. I would not bother clicking on the link though, chances are you will end up seeing something like this: I would not say the upgrade has gone well. The above was taken on Wednesday at 09:30am BST, some [...]

The ASM Mind Map

jarneil | Aug 26, 2008 02:20 -0600
I used to use mind maps while I was still at school in the early 90’s, yeah last century. I found them useful then, but I seem to have really fallen out of the habit of using them. I do think they can be useful in gaining an overall picture of a subject or topic. I [...]

How to Confuse ASM

jarneil | Aug 20, 2008 01:50 -0600
Don’t try this one at home folks. I was adding a disk to an already existing diskgroup, and I think I must have got a little bit excited as I enabled one node in the cluster to see the new device, but I forgot about the second node and proceeded blindly to add it into the [...]

ASM & RDBMS Interactions: Creating a file

jarneil | Aug 18, 2008 02:40 -0600
How do new files get created when running with ASM? It is the responsibility of the RDBMS instance to begin the procedure for creating the new file: The RDBMS instance sends a request to the ASM instance to create the file via the Onnn background processes. This request contains information on the size of the file [...]

Going to Oracle OpenWorld

jarneil | Aug 13, 2008 03:50 -0600
I just found out that I have a place at Oracle OpenWorld and that thanks to Nominet, I will be able to attend. This will be my first ever trip to OpenWorld. I have to say I am feeling both excited and apprehensive. Excited because I hope there will be some fantastic learning experiences to enjoy [...]

Testing Failover with Maximum Performance Dataguard

jarneil | Aug 5, 2008 07:50 -0600
Well that title was a bit of a mouthful, but what this posting is concerned with, is how you go about testing a failover in a Dataguard environment when you are running in Maximum Performance mode and sending your redo data via LGWR ASYNC. Testing a switchover in this environment is fine and this can [...]