This blog entry presents a basic introduction to Oracle execution plans. What exactly is an Oracle execution plan? An execution plan consists of the steps that the database server will take to...
GlusterFS – Configuration, Performance, and Redundancy
GlusterFS has been a growing distributed filesystem, and is now a part of Red Hat Storage Server. GlusterFS, also with Ceph (not covered in this article), have created a software based filesystem...
Use lkdev For Oracle ASM Disks and VSCSI Disks – But Use with Caution!
The AIX Logical Volume Manager (LVM) makes the management of disks, volume groups, and logical volumes very easy, especially when compared to many of the other UNIX and Linux volume managers....
Connecting to an Oracle Dataguard Physical Standby Database with the TDPOSYNC Utility
Many Oracle environments run backups from their Dataguard physical standby database, if applicable. This is best practice in the field because it allows you to offload any overhead of a database...
PCIe Adapter Virtualization with SR-IOV
Within the world of POWER hardware, the PowerVM SEA (Shared Ethernet Adapter) has been the standard when it comes to virtualizing an ethernet adapter for quite some time. With the introduction of...
Using Nstress to Stress your System
I think it's important to stress your hardware as much as possible. It's kind of like when you buy a new car, you always punch the gas a little bit to see what the thing can do! Likewise, with your...