Comment 1 for bug 973194

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Mandar Vaze (mandarvaze) wrote : Re: Parallel VM creation fails when nova-computes share the disks and each nova-compute node has no cached images.

Proposed fix :

instead of using _base folder to store cached image, use "_base_<compute_hostname>" so that in above scenario, images will be cached in _base_HostA and _base_HostB respectively - preventing the file locking issue.