Synnefo » snf-ganeti

Since the `watcher`_ will only submit jobs to the master for startup

of the instances, its log file will contain less information than

before, mainly that it will start the instance, but not the results.

  kernel path for `PVM`_ which makes no sense for `HVM`_).

Glossary

========

Since this document is only a delta from the Ganeti 1.2, there are

some unexplained terms. Here is a non-exhaustive list.

.. _HVM:

HVM

  hardware virtualization mode, where the virtual machine is oblivious

  to the fact that's being virtualized and all the hardware is emulated

.. _LU:

LogicalUnit

  the code associated with an OpCode, i.e. the code that implements the

  startup of an instance

.. _opcode:

OpCode

  a data structure encapsulating a basic cluster operation; for example,

  start instance, add instance, etc.;

.. _PVM:

PVM

  para-virtualization mode, where the virtual machine knows it's being

  virtualized and as such there is no need for hardware emulation

.. _watcher:

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)``.