From 534e34fd60ffb8eca72127e60ca585e62ca18dd5 Mon Sep 17 00:00:00 2001 From: jichenjc Date: Sun, 22 Nov 2015 13:55:50 +0800 Subject: [PATCH] Add hypervisor, aggregates, migration description Add hypervisor brief description on its concept and how nova offer the ability to admin to interact with it; Also add description for migraitons. There is a doc about aggregates, so put the link in general_info.rst. blueprint complete-todo-in-api-concept-doc Change-Id: I61f6999be62e3e689ca9bf8b28b08f6a0b4aa9df --- api-guide/source/general_info.rst | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) diff --git a/api-guide/source/general_info.rst b/api-guide/source/general_info.rst index 11cefd3811..c534da5172 100644 --- a/api-guide/source/general_info.rst +++ b/api-guide/source/general_info.rst @@ -128,15 +128,30 @@ on compute hosts rather than servers. - **Hypervisors** - TODO + A hypervisor, or virtual machine monitor (VMM), is a piece of computer + software, firmware or hardware that creates and runs virtual machines. + + In nova, each Host (see `Hosts`) runs a hypervisor. Administrators are able + to query the hypervisor for information, such as all the virtual servers + currently running, as well as detailed info about the hypervisor, such as + CPU, memory, or disk related configuration. + + Currently nova-compute also support Ironic and LXC, but they don't have + a hypervisor running. - **Aggregates** - TODO + Please see :doc:`aggregates.rst` - **Migrations** - TODO + Migrations are the process where a virtual server is moved from one host to + another. Please see :doc:`server_concepts` for details about + moving servers. + + Administrators are able to query the records in database for information + about migrations. For example, they can determine the source and + destination hosts, type of migration, or changes in the server's flavor. - **Certificates**