Less known Solaris Features: iSCSI - Part 1: Introduction

With more and more available bandwidth it gets more and more feasible to use only a single network to transmit data in the datacenter. Networking can get really complex when...

iSCSI for I/O-intensive tasks

I had an idea to vastly reduce the network load for iSCSI harddisks while waiting for the water to boil for my first tea. There are two new features in...

links for 2008-03-20

Important ZFS patches released (tags: ZFS Sun Solaris)

Taxi in Berlin ...

Unter dienstreisenden Kollegen erzaehlt man sich ja manchmal den einen oder anderen Schwank vom letzten Trip ins Ungewisse. Und so habe ich das Gerücht von total inkompetenten Taxifahrern schon häufiger...

Less known Solaris features: pfiles

This is not a tutorial, just a hint from my toolbox. On customer systems i see the lsof tool quite often. But for a quick check for open files you...

links for 2008-03-18

(tye)Re: one-liner hogs (tags: testing debugging perl)

Das Rechenzentrum von morgen

Im Linux-Magazin ist ein Artikel ueber einen Vortrag von zwei Kollegen zu lesen: GUUG-Fachgespräch: Wie Sun die RZ-Architektur von morgen sieht. Recht kristisch, aber von einem Magazin das das pinguinoide...

SamFS/QFS opensourced

Some weeks ago, i wrote about about an idea to use hierarchical storage management at home. One important part of this idea is now available as opensource. Yesterday Sun opened...

Less known Solaris Features: Resource Management

Okay, my tutorials getting bigger. This one has 7 parts. Well, this increase come from writting more, but shorter articles instead of a few longer ones. Well, this is next...

Less known Solaris Features: Resource Management - Part 7: Conclusion

The Solaris Resource Managment is an powerful tool to partition the resources of a single instance of an operating system. By using Solaris Resource Managment you can use a single...

Less known Solaris Features: Resource Management - Part 6: Resource Management and SMF

A few days ago, i wrote about the Service Management Facility, a framework to manage services in Solaris. This framework enables Solaris to start services in a more intelligent manner....

Less known Solaris Features: Resource Management - Part 5: Management of memory resources

So far we configured limits on the usage of operating syste resources and the CPU. Let´s get back to the class room example used before. A different course at the...

Less known Solaris Features: Resource Management - Part 4: Limiting CPU usage

Okay, but your system wasn´t purchased for students at night. You´ve bought it for computational science at night. The Large Hadron Collider project spend 75% of the costs, and the...

Less known Solaris Features: Resource Management - Part 3: Limiting operating system resources

The kernel of an operating system provides a huge amount of resources to the processes running on it. Such resources are file descriptors, shared memory segments or the process tables....

Less known Solaris Features: Resource Management - Part 2: How to work with Tasks and Projects

Even when you never heard of constructs like tasks and projects you already use them, as there are a few projects installed per default. For example whenever you log into...

Less known Solaris Features: Resource Management - Part 1: Introduction

Resource Management is an rather old feature in Solaris, albeit it got more mind share since it got a really important part of the Solaris Zones. But this tutorial doesn´t...

Benchmark games - today: The german "Power6 brings the truth to daylight"-campaign

IBM understands the art of nonsensical comparision to perfection. IBM Germany tries to convince the customers, that Sun is extremly expensive. Okay, at first: They use the oldest trick in...

Copycats

I´ve wrote on some occasions in the past that the marketing of IBM is really innovative (vicious voices tend to say, it´s their last core competency). But they seem to...

NSA and Opensolaris

I´ve linked to the Opensolaris project for implementing Flexible Mandatory Access Control a few days ago. Yesterday we´ve made the announcement that a joint effort of Sun(NASDAQ:JAVA) and the NSA...

The day of pi