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[Joe Gordon <1160749@xxxxxxxxxxxxxxxxxx>]

Not sure how the client can solve this.

** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1160749

Title:
  nova quota-update command is executed without checking if the quota
  exceed

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  1. Changed number of the cores from 100 to 15 with the following
  command:

  [root@firstbox11-1 ˜]# nova quota-update --cores 15 2bff6058d6454dc0859cc545c2dc6d4f
  [root@firstbox11-1 ˜]# nova quota-show 2bff6058d6454dc0859cc545c2dc6d4f
  +-----------------------------+--------+
  | Property                    | Value  |
  +-----------------------------+--------+
  | cores                       | 15     |
  | floating_ips                | 40     |
  | gigabytes                   | 1000   |
  | injected_file_content_bytes | 10240  |
  | injected_files              | 5      |
  | instances                   | 100    |
  | metadata_items              | 128    |
  | ram                         | 204800 |
  | volumes                     | 10     |
  +-----------------------------+--------+

  2. Perform a deploy using a flavor with 8 CPUs like this:

  tm_fl: Memory: 2048MB, VCPUS: 8, Root: 8GB, Ephemeral: 0Gb, FlavorID:
  69, Swap: 0MB, RXTX Factor: 1.0, public, ExtraSpecs {}

  the deploy fails with the following message:
  'Quota exceeded for cores: Requested 8, but already used 47 of 15 cores'

  This is an issue, because 47 cores are already used, but the nova quota-update does not check and permits to decrease the cores value under
  47.....in alternative if it is possible have a number of cores already used greater than of the cores defined on quota....it is an usability issue because minimum a warning should be issued when nova quota-update is issued.

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