There’s an old list of how different programming languages let you shoot yourself in the foot. I managed to do something similar on our virtual servers last Wednesday. I just got it fixed Saturday afternoon.
I learned something. Never touch the disks of a virtual machine that has snapshots. “The parent virtual disk has been modified since the child was created.” Fear these words, for you will lose sleep over them. Below is a time line of what got me into the mess and how I got myself out. I tried a few more things, but this is what actually worked.
Read the rest of this entry »