[glance][image-import] local disk space required by image import and conversion

Tony Liu tonyliu0592 at hotmail.com
Mon Nov 29 19:39:27 UTC 2021


The target is for user to import .qcow2 image from download site and automatically
stored as raw image. Read through [1], this seems doable. I am not sure the workflow.
Does it download the whole qcow2 and convert it to raw locally, or download, convert
and upload in a streaming way, which only require small space for caching?
The question is that, how much local disk space is required for such import and conversion?

[1] https://docs.openstack.org/glance/latest/admin/interoperable-image-import.html


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