Boot a Rescue CD in Openstack

Boot a Rescue CD in Openstack

The other day, a colleague of mine was greeted with an unpleasant surprise when one of his instances booted: For those who may be unfamiliar, this is the shell GRUB drops you into if for some reason it wasn’t able to load your kernel or its own configuration.  Further incantations indicated that the root file system (where /boot was located) was sufficiently damaged that GRUB wouldn’t even recognize it as ext4.  At this point, I figured the instance was probably…

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