Better checksum error reporting in ZFS

After all the discussion about filesystems and checking them after errors, i want to point to a small extension: Since the introduction of the changes proposed by “PSARC 2009/497: zfs...

Presentation at the Apache Hadoop Get Together Berlin

On 16th December i will talk about Hadoop on Sun at the Apache Hadoop Get Together in Berlin. The talk will be divided in three parts: Advantages of using Hadoop...

links for 2009-11-06

The Billion Dollar Gram | Information Is Beautiful (tags: visualization economics politics) Why are the Microsoft Office file formats so complicated? (And some workarounds) - Joel on Software "....are the...

Mysql competition by Amazon

I wrote at several occasions, that this “Oracle purchase of Sun will limit database competition” isn’t true as you can easily fork mysql and do your own development. Matt Asay...

Phenoms and recent OpenSolaris developer builds - revisted

Last month i wrote about my boot problems with OpenSolaris dev builds and that i’ve suspected bug 6844241 as the root cause for this situation. Well, the fix for that...

Loadbalancing with Opensolaris - or: PSARC 2008/575

An nice addition to the networking functionality has found its way into the Opensolaris codebase: PSARC 2008/575 ILB: Integrated L3/L4 Load balancer. This code enables Opensolaris to act as a...

No, ZFS really doesn't need a fsck

There is a discussion at osnews.com about a simple question: “Should ZFS Have a fsck Tool?”. The answer is simple: No. I could stop now, as this answer is pretty...

Estimating the impact of dedup

It would be nice to have a estimation what the usage of deduplication would yield: Victor Latushkin points in his mail on zfs-discuss to a nice feature of the zdb...

Jeff Bonwick about ZFS Dedup

Nothing really totally new for the readers of my blog, but the information in this article are from the most authoritative source in regard of ZFS: Jeff Bonwick’s Blog -...

PSARC 2009/479 zpool recovery support

There was another important addition to the Opensolaris code base. PSARC 2009/479 zpool recovery support. Perhaps it isn’t a feature for the front pages, because such a feature would be...

NEOSUG

Gregor Longariva just announced the the existence of another OpenSolaris User Group in Germany in this tweet. The NEOSUG is the OSUG of Nuremberg and : Erstes #osug Erlangen Nürnberg...

Deduplication integrated to ZFS

I’ve reported about the Dedup PSARC cases a few days ago. Now the code for deduplication in ZFS has been integrated into Opensolaris as stated by this mail on onnv-notify:...

German Opensolaris User Group

Ich hatte da heute morgen beim Teekochen eine Idee, die ich gerne zur Diskussion stellen möchte. Es ist erstmal eine lose Idee, ein Gedankenblitz: Es bilden sich jetzt ja ueberall...

links for 2009-11-02

Schweinegrippe: Höchste Warnstufe (tags: health grippe pandemiepanikl)

Kein Schwein steckt mich an ....

What a bad day ... - revisited

When you think, it can’t be worse, it will get worse …. after a ruined Friday, i’ve got a bad cold … well, at least i don’t have fever now...

What a bad day ...

Yesterday was really one of my worst days in the last months … no … in the last years. I forgot the rule “You should never go to a dentist...

Strange things in Russia

The ft.com/alphaville-blog reports about strange news. According to a russian governmental web page, Oracle is said to have withdrawn a regulatory filing in regard of the Sun Oracle/Merger. The strange...

links for 2009-10-29

Schwarzenegger Gives California Legislature A Hidden Finger (tags: politics funny california government usa writing) Did Schwarzenegger drop 4-letter bomb in veto? (tags: politics california funny usa)

The Deliverer's Knowledge: What's the max. number of IP instances per NIC?

A foreword by Jörg: This is the first blog entry written by Heiko. “the deliverer’s knowledge” is just a working title and it’s referring to the fact, that Heiko delivers...