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Cadillac ZFS #FreeBSD
I had an opportunity at work to build up a new machine to do our FreeBSD builds at work this quarter and wanted to see how far I could take ZFS on high end OEM hardware. After evaluating HP and Dell gear, I settled on the Dell r720xd as my platform to move forward. Primarily, […]
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The Short List: #3 #FreeBSD
Sandybridge/Ivybridge/Haswell boxes take upwards of 10 minutes to just GET TO THE BOOT LOADER now. When I want to get a box into single user, and not miss the loader prompt when using FreeBSD: nextboot -o “-s” -k kernel ZFS based systems will emit a terrifying warning of: WARNING: loader(8) has only R/O support for […]
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The Short List: #2
Migrating a system from its UFS installation to a new shiny ZFS pool: cd / && tar –exclude=zroot/ –exclude=dev/ –exclude=proc/ -cvf – * | ( cd /zroot; tar xfp – )
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The Short List: #1
Like the subtitle says, these should be obvious, but I’m forever looking them up. #1: Find files in a perforce checkout that are not checked in or are modified: for file in `p4 diff -f -sa`; do p4 diff -f $file; done #2 Crosscompile FreeBSDi386 on amd64, its stupid simple, but I can never remember: […]
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AllMost There — Intel AMT on my ThinkPad T520
Spent some time this week screwing around with the “serial” port on my laptop. Serial consoles are one of those things that you seem to always need when doing o/s development. Its the only reliable way to get debugging information and on PC architectures, its really the best way to find and resolve serious problems […]