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