Django And The Admin Anthem
While you are trying to keep computers calm and secure, you might like listening to this: Django Reinhardt was a three fingered gypsy guitarist. Beyond the fact that this song was playing when our grandfathers were courting our grandmothers .. and beyond the fact that he was just awesome .. I hope you enjoy This [...]
Xen And Single System Images
I receive two kinds of e-mail regarding Xen. Usually, people have specific questions, problems or errors to cure. Others are planning to deploy Xen and simply want feedback on design ideas based on what I’ve tried. I like the second kind of question the most, the conversations usually turn protracted and become quite interesting. Someone [...]
Yes, I’m Still Alive
Its been a while since I’ve updated this blog. I was actually tickled to get a few e-mails from readers asking me if I was still alive and well. I’m alive and kicking, the last month and a half has been extremely busy. There are some new goodies, however! Gridnix is finally launching, projects that [...]
My list for 2009
I don’t see the point of having a single new year ‘resolution’. I’d rather list a bunch of stuff that I’d like to accomplish both professionally and personally .. so here’s my list broken down as such: Professional: C++ is here to stay, its not going to go away, I may as well get used [...]
Why I reverse arguments
I was asked an interesting question about my “C style” by someone who was reviewing my code this morning. Since I’ve been asked the same question on several occasions, I’ll explain in a post. When testing stuff, its easier for me to see what I’m testing for first, rather than what is being tested. When [...]
Mad scientist meets lvm2
Sometimes we’re fortunate enough to really enjoy what we’re being paid to do. That’s been the case for me this week while working on a replacement for the ‘lvm’ command for control panels and other underprivileged things to use. Most people who write programs that must operate on logical volumes do it in a very [...]
Digesting the Open Virtual Format
After a rather tedious day of digesting specifications, I have concluded that I love the Open Virtual Format and hope to see it adopted widely. Incidentally, if you work with virtualization and have not browsed the standard, I’d recommend doing so. Native support for it is on the road map for the next Xen release. [...]
Senior, Junior And The Programmer
The job: A server with a 1.2 TB SATA RAID-5 is housing 15 paravirtualized Xen guests via local storage. Each one has at least one LV of 100 – 400 GB. Move them to an identical server with a more sensibly configured RAID without pissing off each user for more than 30 – 40 minutes. [...]
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