In February I replaced a Dell T320 server with a HP Z640 workstation for a home server/workstation [1]. The T320 has 8*3.5″ drive bays which I had used to put 3*4TB disks in a BTRFS RAID-10 array for 6TB of usable capacity. The Z640 has only 2*3.5″ bays and 4*2.5″ bays, so one option I […]
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It’s been 2 years since my last blog post about storage trends [1]. Minimum Storage <=2TB In 2021 I stated that as MSY had 2TB disks for $72 and 2TB SSD for $245 it was barely worth considering a 2TB disk and anything less than 2TB wasn’t worth considering. Now for 2TB storage from MSY […] Interesting paper about a plan for eugenics in dogs with an aim to get human equivalent IQ within 100 generations [1]. It gets a bit silly when the author predicts IQs of 8000+ as there will eventually be limits of what can fit in one head. But the basic concept is good. Interesting article about […] A couple of days ago I upgraded my home server from Debian/Bullseye to Debian/Testing (soon to be Bookworm). Since then KDE sessions on that system have had problems of locking the input queue, the mouse can move and mouse-over events work but clicking the mouse or pressing the keyboard does nothing. Various web pages suggested […] After reading Bálint’s blog post about Firebuild (a compile cache) [1] I decided to give it a go. It’s non-free, the project web site [2] says that it’s free for non-commercial use or commercial trials. My first attempt at building a Debian package failed due to man-recode using a seccomp() sandbox, I filed Debian bug […] For a while I’ve had my monitoring systems alert me via XMPP (Jabber). To do that I used the sendxmpp command-line program which worked well for it’s basic tasks. I recently noticed that my laptop and workstation which I had upgraded to Debian/Testing weren’t sending messages, I’m not sure when it started as my main […] I just did some quick tests of hyper-threading on my new E5-2696v3 CPU. I compiled the Linux 6.0.10 kernel with and without hyper-threading enabled. Here’s the times for “make -j36 bzImage” and “make -j36 modules” with HT enabled: real 2m26.540s user 55m25.121s sys 9m56.443s real 10m57.374s user 309m21.531s sys 58m1.070s Here’s the times for “make […] Vox has an insightful interview with the author of “Slouching Towards Utopia: An Economic History of the Twentieth Century” [1]. The main claim of that book is that “The 140 years from 1870 to 2010 of the long twentieth century were, I strongly believe, the most consequential years of all humanity’s centuries”. A claim that […] I just got a E5-2696 v3 CPU for my ML110 Gen9 home workstation, this has a Passmark score of 23326 which is almost 3 times faster than the E5-2620 v4 which rated 9224. Previously it took over 40 minutes real time to compile a 6.10 kernel that was based on the Debian kernel configuration, now […] In response to a post about my latest laptop I had someone ask why I chose an Intel CPU. I’ve been a fan of the Thinkpad series of laptops since the 90s. They have always seemed well constructed (given the constraints of being light etc) and had a good feature set. Also I really like […] |
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