Author Archives: Bill Plein

About Bill Plein

I've been in the data storage industry since the 1990's, most recently with 3PAR, Fusion-io, and Pure Storage. I'm now with Diamanti, where we make Kubernetes easy and fast. I'm attracted to bright, shiny new objects.

Symlink: Workaround for changing Mac OS X VM display resolution in vSphere & Fusion

By | February 5, 2016

I always end up finding the cure for ESXi issues, especially those related to running ESXi on Mac hardware, at William Lam’s excellent site. Want to change the resolution on your Mac OS X VM under Fusion or Vsphere? Check it out http://www.virtuallyghetto.com/2015/10/heads-up-workaround-for-changing-mac-os-x-vm-display-resolution-in-vsphere-fusion.html    

FreeBSD 9.2 supports ZFS TRIM/UNMAP

By | April 15, 2014

Just playing around with this today, and it’s very cool. FreeBSD 9.2 now supports TRIM/UNMAP for ZFS. To see if your disk is reporting the capability, look for kern.cam.da.<device>.delete_method where <device> is the number of the da device, i.e. /dev/da5 is “5” in that place. For example: # sysctl -a | grep delete_method kern.cam.da.0.delete_method: NONE kern.cam.da.1.delete_method:… Read More »