Froscon 2011

Yesterday i held my deduplication talk at the Froscon 2011. I think it was acceptable and the lecture room 3 was really filled. To be honest: I don’t expected such...

Hunting red herrings

Sometimes you “know” the problem from the first moment. But sometimes your feeling in the gut results in something that is perceived as a large change, so you have to...

links for 2011-08-10

World Blog - The sad truth behind London riot Castingagentur-Methoden - Möglichst asozial - Medien - sueddeutsche.de

Partially open

Since the closure of the blog i got many many requests for giving content to people in form of an excerpt of the database. Even more. I got a significant...

Migrating your notebook from a smaller to a larger disk

My colleague Christophe Pauliat - Principal Sales Consultant at Oracle - came up with a really nifty way to migrate his Solaris based notebook from a smaller disk to a...

Redirecting to your google+ profile

As i wrote before, you can reach my google+ profile by using the shortcut http://c0t0d0s0.org/+ (http:/moellenkamp.org/+ would work as well). This is done by an additional line in my apache...

Garden

A little change of queues

An overwhelming number of ZFS installations work with just a bunch of disks, perhaps in a JBOD or in the server itself. However there are installations, that use disk arrays...

New Hivemind - Powermanagement

I was asked in a comment, if Solaris supports power management with the processor in the HP N36L microserver. The answer is yes. Best way to check this is via...

Garden

Deduping your redundancies

Robin Harris of Storagemojo pointed to an interesting article about about deduplication and it’s impact to the resiliency of your data against data corruption on ACM Queue. The problem in...

Result of the "How long do you wait before Solaris 11 gets on your prod systems?"

At approx. 16:20 the poll had the following outcome:

Vortrag "Deduplication" auf der Froson

Gestern habe ich die Mitteilung bekommen, das mein Vortrag “Deduplication” auf der Froscon 2011 angenommen worden ist. Die Froscon findet dieses Jahr am 20./21. August 2011 an Hochschule Bonn-Rhein-Sieg statt....

Solaris 10/11x hardware compatibility list

The Solaris 10/11 Express Hardware compatibility list has a new home: It’s now part of the OTN and available at http://www.oracle.com/webfolder/technetwork/hcl/index.html

More technology is not always the solution

If it weren’t about the AF447 disaster, some comments of readers in some of the forums were actually funny. Especially those ones writing that Air France just had to install...

SNIA releases testing spec for SSD

In customer projects, i’m talking more and more frequently about solid state disks and their performance. From this point the release of a testing specification for SSD performance is really...

Darren Moffat about encrypted swap and /var/tmp

Darren Moffat explained in his blog how to encrypt swap and /var/tmp in Solaris 11 Express.

Ryanair? Never ever again ... or: The story of a trip to London

Ryanair? I will never ever put a foot in one of their aircrafts. Even when I have to book an private jet instead … I will never ever put a...

ZFS Dedup Internals

Questions about deduplication are quite frequent. Not about the basic function, but about some implications of the implementation. Over the time i wrote a cheat sheet for myself to answer...

Recommended: "DTrace" by Brendan Gregg and Jim Mauro

I didn’t just wrote a long article about Exadata on the easter weekend (which is a four day “vacation” in Germany: Good friday is a day off as well as...