Re: [Beowulf] Re: failure trends in a large disk drive population

2007-02-21 Thread Justin Moore
How did they look for predictive models on the SMART data? It sounds like they did a fairly linear data decomposition, looking for first order correlations. Did they try to e.g. build a neural network on it, or use fully multivariate methods (ordinary stats can handle it up to 5-10 variables).

Re: [Beowulf] Re: failure trends in a large disk drive population

2007-02-16 Thread Justin Moore
Despite my Duke e-mail address, I've been at Google since July. While I'm not a co-author, I'm part of the group that did this study and can answer (some) questions people may have about the paper. Dangling meat in front of the bears, eh? Well... I can always hide behind my duck-blind-sla

Re: [Beowulf] failure trends in a large disk drive population

2007-02-16 Thread Justin Moore
http://labs.google.com/papers/disk_failures.pdf Despite my Duke e-mail address, I've been at Google since July. While I'm not a co-author, I'm part of the group that did this study and can answer (some) questions people may have about the paper. -jdm Department of Computer Science, Duke

Re: [Beowulf] A bit OT - scientific workstations - recommendations

2006-03-10 Thread Justin Moore
> I have heard stories about some of the first vacuum tube computers where a > a full time technician walked around inside the computer > and replaced blown out tubes - between every program run. I tend to > think this has a certain myth aspect to this story, but like all myths it > probably has s