Based on this experiment with ZFS it appears that using 'zfs replace' on a good or semi-good disk will keep the disk in use during the replace. 

https://www.projectcalico.org/

Since I've started playing WoW again and doing a bit of multiboxing I figured out that keeping my WoW WTF folder in a Git repo is very handy. The WTF folder holds things like keybinds, window layouts, UI data, and addon data. 

With this setup I can use scripts and other tools to automatically make changes to my WTF files without fear of messing anything up in an irreparable way. Plus I can easily see changes to files and such. All it takes is a "git init" and then "git commit" after I run WoW or make any manual/scripted changes. 

This is a group photo from the 2016-11-11 to 2016-11-12 Fragforce event at the UCSF Benioff Children's Hospital in San Francisco. The picture features most people who attended the second day of the event.

TL;DR: Cassandra Java Huge Pages

An interesting article on huge pages in Linux and its affect on Casandra. The "-XX:+AlwaysPreTouch" flag looks particularly interesting. 

If you'd like to donate to Extra Life via me you can use this URL: https://goo.gl/w7N3z6

Fragforce has an event coming up on the 4th (SFDC employees only) and the 5th (everyone). It's basically a big LAN party with board games too. 

GpMidi.Net is back for now