** Changed in: nova
Status: In Progress => Won't Fix
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https://bugs.launchpad.net/bugs/1222948
Title:
VMware: booting multiple instances fails if image is not in cache
Status in OpenStack Compute (Nova):
Won't Fix
Bug description:
If you try to boot several VMs with a new image (which does not exist
in the cache) all instances will fail until the 1st instance downloads
the image to cache.
Since the nova boot commands are being handled async, the 1st one will
start downloading the image to cache and the others will "think" that
the image is there (since only the meta-data file is checked). This
is a side affect of bug
https://bugs.launchpad.net/nova/+bug/1213269
The "workaround" is to always deploy an instance when a new image is
added to glance. But the real fix should be 2 parts
1. make checking is the file is in cache more robust - i.e. validate
the file is completely there (not just the meta data file)
2. if an image is in the middle of being downloaded to the cache,
block the other instances at that point until the image download is
complete.
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