Nyble FTW! Installing my rambooted environment on linux laptop for rescue with grub

Ok, this came about from many hours … HOURS … of not being able to get rescue CD images to boot correctly on my laptop, or in VMs. Things were broken on them, that I could not fix. That’s when the thought occurred to me … hey … I’d developed this great project nyble (pronounced … Read moreNyble FTW! Installing my rambooted environment on linux laptop for rescue with grub

Onward and upward in #HPC

A short note – today was my last day with Joyent. They are a wonderful company, building great things. Excellent technology, and technologists. I wish them nothing but success. For the immediate future, I’ll be working on consulting projects, as well as looking for the next great opportunity within high performance computing, storage, cloud. I’m … Read moreOnward and upward in #HPC

Data loss, thanks to buggy driver or hardware

So this happened on the 3rd, on one of my systems Feb 3 03:02:39 calculon kernel: [195271.041118] INFO: task kworker/20:2:757 blocked for more than 120 seconds. Feb 3 03:02:39 calculon kernel: [195271.048116] Not tainted 4.20.6.nlytiq #1 Feb 3 03:02:39 calculon kernel: [195271.052678] “echo 0 > /proc/sys/kernel/hung_task_timeout_secs” disables this message. Feb 3 03:02:39 calculon kernel: [195271.060626] … Read moreData loss, thanks to buggy driver or hardware

Reflections on where we’ve been in HPC, and thoughts on where we are going

Looking back on past reviews from 2013 and a few other posts, and what has changed since then up to 2019 (its early, I know), I am struck by a particular thought I’ve expressed for decades now. In 2009 I wrote HPC has been moving relentlessly downmarket. Each wave of its motion has a destructive … Read moreReflections on where we’ve been in HPC, and thoughts on where we are going