Add imagecache information to devref

Mention the fact that images will be cached on the same VG as VMs,
and that the image_cache_manager_interval setting is used to
periodically remove cached images.

Change-Id: Icd3e806dcd02a9c89270e24a245eec862f319321
This commit is contained in:
Taylor Jakobson 2017-02-14 11:00:57 -06:00
parent e4f89f57a4
commit b27ce8e287
1 changed files with 4 additions and 1 deletions

View File

@ -60,7 +60,10 @@ Two disk implementations exist currently.
* localdisk - supports Virtual I/O Server Volume Groups. This configuration
uses any Volume Group on the system, allowing operators to make use of the
physical disks local to their system.
physical disks local to their system. Images will be cached on the same
volume group as the VMs. The cached images will be periodically cleaned up
by the Nova imagecache manager, at a rate determined by the ``nova.conf``
setting: image_cache_manager_interval.
* Shared Storage Pool - utilizes PowerVM's distributed storage. As such this
implementation allows operators to make use of live migration capabilities.