Detailing the troubleshooting to resolve KB4515384 failure to install.
Read More Fix: 2019-09 Cumulative Update for Windows 10 Version 1903 for x64-based Systems (KB4515384) – Error 0x800f081fI’m testing out the development version of TwentyTwenty theme from WordPress on this site. I noted that calls to /assets/fonts/inter/Inter-upright.var.woff2 were causing some grief for Apache2 (Error 500): AH00681: Syntax error in type map, no ‘:’ in /var/www/clients/client0/web1/web/wp-content/themes/twentytwenty/assets/fonts/inter/Inter-upright.var.woff2 for header wof2 Cursory Google search indicates that Apache2 is interpreting filenames with .var.* in the name…
Read More WordPress TwentyTwenty Theme – Inter font Apache2 errorI had 8 paths go down to a dead state on an ESXi host. The paths were MRU via Fiber Channel to a storage array. One path worked and it was configured as RR path. I knew this wasn’t a physical issue, it had to be a software/configuration issue on my host because there were:…
Read More Case of Dead Path on ESXiHere’s an ESXi console script to loop through each Nimble eui.* adapter and set IOPS=0 and BYTES=0 (per Nimble recommendations). for x in `esxcli storage nmp device list | awk ‘/Nimble iSCSI Disk/{print $7}’ | sed -e ‘s/(//’ -e ‘s/)//’`; do echo $x esxcli storage nmp psp roundrobin deviceconfig set -d $x -t bytes -B…
Read More Performance tuning iSCSI Round Robin policies in ESXi for Nimble storageWhen browsing my Downloads folder, or any folder in general, on Windows 10 I have experienced the Working on it… message and it takes a few seconds to load. This doesn’t matter if I have a lot of files/folders or just a few, it still hangs. Resolution Open Folder Options > Set Open File Explorer…
Read More Windows 10 File Explorer – Working on it…I made this 5 years ago in Excel and it was pretty popular. I think there are some errors in the math formulas that were pointed out for RAW calculations of backend IOPs. So use with caution, but mostly it should give a good enough idea on whatever it is you might be doing. If…
Read More Raid and IOPs Cheat Sheet – Excel