Off to Hotsos Symposium 2008

Last year’s Hotsos Symposium was the first for me. These were exciting few days and I fully enjoyed the conference. I’m very pleased that this year I’m going to Dallas again but this time in the new role — I’m doing a presentation on Workload Management in Oracle RAC. I don’t need to tell you what Hotsos Symposium is about — if you are on this blog, you should know it already. 3 days of high quality presentations and endless networking opportunities where you can share your ideas or concerns and get your questions answered. Keep watching for updates.

How to Rename a Copied or Cloned ASM Disk Group

ASM is definitely one of the coolest technologies inside the Oracle Database. On the other hand, the ability of the storage arrays to provide a read/write access to a copy or a “snapshot” of its content is something we can easily leverage as an Oracle DBA. For a couple of weeks, I wanted to copy a database stored in an ASM Disk Group with one of those storage technologies and mount it on the same server; unfortunately, this is not supported even with The good news is that I finally overcame all the obstacles to do it in a specific case. This post relates a couple of the tips I used to get to that result.

MySQL March Boston User Group + MySQL/Sun Mashup World Tour

The March 2008 Boston MySQL User Group meeting will have a *brief* workshop on what types of applications are good for applying MySQL Cluster technology. This is a stop on the Sun/MySQL mashup world tour, so don’t miss out on plenty of swag. That’s right, food, folks, fun and free stuff! We will be meeting on MIT campus, close to Kendall Square on the Red Line (subway). There is plenty of free parking. For more information read this post.

How To Recreate the Oracle Clusterware Voting Disk

Recreating the Voting disk may not be as easy as written in Metalink. If you work with RAC, you know about Metalink Note 399482.1 : “How to recreate OCR/Voting disk accidentally deleted”. Of course, you back up the voting disk every time you change your RAC configuration, or on a regular basis. You probably played with the procedure and it worked just fine. Like you, I did all of that. Yesterday, I had to recreate this precious file when it was lost a couple of hours after the whole software stack had been installed. It was, I guess, just before we would have setup our monitoring on the server that would have backed up the voting disk. Here’s how you can fix this problem

RMOUG 2008 is Over

The time is flying here and two days of RMOUG Training Days 2008 have gone. In a nutshell, what a great conference! Well done RMOUG and special thanks to Peggy King! It was very nice to see a bunch of old friends and meet new ones in person including Jeremiah Wilton and Tim Gorman. The highlight of the day was controversial presentation by Moans No Balls Longgood about the current state of database performance tuning. For a full rundown of the last day keep reading.

RMOUG Second Day

Today was a mini-Pythian day at RMOUG. Both Alex and myself gave two presentations each. My first session was on using LDAP with Oracle Applications. George Trujillo was presenting on MySQL for the Oracle DBA in the same room, so I stayed and learned a few things. I was lucky enough ( a little tongue in check there!!) to present the last session of the day on Oracle 11g DataPump.

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