David Hueber

hpacucli: Storage management on HP servers through command line

For sure you already used, or at least heard about, the HP Smartstart Kit. This especially includes the storage management part ACU: Array Configuration Utility. This tool is pretty straightforward to configure the storage and RAID volumes before installing an(…)

Using IOzone for Linux disk performance analysis

Who never had to measure the disk performances on a system? Speaking about Linux performance monitoring includes a significant part on disk performances. If you are facing applications or databases running slower than expected or than on other environments, you(…)

Linux: easing the process and performance monitoring with htop

I'm pretty sure that most of you already struggled with some low performance systems. In order to analyse such cases several tools and utilities, like top, nmon, fuse or lsof are available under Linux. However trying to dig in processes(…)

Oracle Basics (3) – Database startup and shutdown

It's already quite a while that I posted my last article on the Oracle basis, so I decided to take some times in the train to continue this small serie.This time, I'm going to speak about one of the(…)

NetBackup – OpsCenter patch fails due to space requirements…

I was upgrading Netbackup yesterday to version 7.0.1 and faced a quite "funny" issue with the OpsCenter. The installation failed on pre-requirements checks saying that no space was available. Nothing strange at this point...except that we still had about 79GB(…)

Oracle Basics (2) – Data Storage

What is finally the primary objective of a database? Storing Data The question is, how Oracle makes it. For many beginners a confusing topic isto get the picture between physical storage and logical one. So how does it(…)

NetBackup command lines – Tips

NetBackup provides a pretty nice Web Interface, OpsCenter, to monitor and check the basic configuration. However after working a while with it, you may find that some information can be quit boring to find out. Good news! Symantec didn’t forget(…)