Archives for Nfs

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SNIA SpeedConf and Las Vegas

Hi, last year was a busy one, but just because we worked in really cool projects and was very, very exciting! I should be at Las Vegas from May 05-09, and in Santa Clara from Jun 10-12. In Santa Clara I will be presenting one of the solutions we developed last ...
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image-2891

Parceria…

Marcelo Leal, arquiteto da Locaweb, empresa especializada em web hosting e serviços de cloud computing, comenta a atuação da Itautec, que forneceu uma solução customizada de servidores para a companhia. Esta solução permitiu à empresa dobrar a densidade de armazenamento em seu datacenter, com custos competitivos. É mais uma demonstração ...
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NFS, TCP, retrans and timeo

I think there is a misunderstanding regarding the protocols and NFS options while using it over TCP. As the NFS is an old protocol, and used to UDP, when the implementations did change the default transport to TCP, the features from one were mixed to the other in some interpretations. Well, ...
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Performance II

In my last post about 'Performance', i did talk about a ZFS tuning parameter: zfs_prefetch_disable. And that was a ZFS read parameter... In this post, we will take a look in another one, with the same 'water to wine' effect. This time with focus on writes... We have a set ...
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OpenSolaris events @SF 2009

That was an amazing experience, and was really great meet those people that i just talk by email. First was the OHAC Summit, where we had excellent presentations, and the keynote 'The Network is the Cluster' by Dr. David Cheriton (Stanford University), and the 'High Availability: Today and Tomorrow' discussion ...
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image-970

NFS – Block Size Monitor (v0.3)

Ok, now i did some 'clean up' on the code... did create some functions, have removed duplicated code, and add new features like 'Requests per second'. Now i think is just fix any bugs that we will find, but the features for this particular tool are done. Take a look: FEATURES: ...
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