Glossary
- HVM
- Hardware virtualization mode, where the virtual machine is
oblivious to the fact that’s being virtualized and all the
hardware is emulated.
- LogicalUnit
- The code associated with an OpCode, e.g. the code that implements
the startup of an instance.
- OpCode
- A data structure encapsulating a basic cluster operation; for
example, start instance, add instance, etc.
- PVM
- Para-virtualization mode, where the virtual machine knows it’s being
virtualized and as such there is no need for hardware emulation.
- watcher
- ganeti-watcher is a tool that should be run regularly from cron
and takes care of restarting failed instances, restarting secondary
DRBD devices, etc. For more details, see the man page
ganeti-watcher(8).