Crashdump restructuring in Solaris

In Solaris 11.2 the crashdump restructuring project changed the way how dump data are stored. Data which are not pure kernel pages now go into separate files. Together with my colleague Sriman we made it to happen.

The first noticeable change was a change in the layout of the crash directory. The files are stored under /var/crash/data/uuid/ directory. The long hexadecimal string (uuid) was added to better align with FMA - it's actually uuid (more...)

Solaris 11 – Zones for Oracle Database and RAC

As simple as that! ZONE CONFIGURATION Steps: 1.Create the zone configuration; 2.Specify datasets and devices; 3.Configure network; 4.Configure resources and limits; 5.Verify and commit; 1.Create the zone configuration: Zone configuration is created and maintained through zonecfg utility. To create a new zone we shall use the following syntax: This will open an interactive interface for […]

Finding And Deleting Old Files (on Unix and Windows)

I needed to write short scripts to delete old files on a Windows Server. It’s a very easy task on UNIX flavors but the limited capacity of Windows command line made me worried. You can use a simple “find” command to find old files on UNIX. For example, the following command will be enough to find and delete files older than 7 days:

find /folder/ -type f -mtime +7 -exec rm {} +

For the (more...)

My Presentation on Oracle Solaris Zones Capacity Management

So one more successful annual conference of All India Oracle Users Group (AIOUG) happened on November 9th and 10th at Hyderabad, India.

Earlier I used to attend Oracle database sessions at AIOUG but this time AIOUG board had done a remarkable job by extending the coverage to Solaris topics. Obviously as (more...)

Lucky to find it…

Earlier this month I was able to bought the book “Sun Performance and Tuning: Java and the Internet (2nd Edition)” for only 190pesos at some bookstore :)

AdrianCockcroft

Amazon sells it for 2400pesos.. ;)

It’s a pretty old book and was published around 1995-1996 but the content is still interesting. This led me to research more on the author and all of his work. Well hey! This guy is a recipient of the Michelson Award by Computer Measurement Group (CMG) I strongly suggest you subscribe to the monthly MeasureIT publication.. lots of good stuff on performance. The name of the mystery guy is (more...)