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===== Fix resource usage errors =====

There is an utility, implemented at CERN (https://github.com/cernops/nova-quota-sync), which is able to detect and fix errors in the resource usage.
It has been installed on cld-ctrl-01 in /usr/local/bin/nova-quota-sync

To just see the problem:

<code bash>
[root@cld-ctrl-01 ~]# python /usr/local/bin/nova-quota-sync --no_sync 


+----------------------------------+----------------------------------+-----------+------------+------------------+----------+
|            Project ID            |             User ID              | Instances |   Cores    |       Ram        |  Status  |
+----------------------------------+----------------------------------+-----------+------------+------------------+----------+
| 198e0f6207f44dd8a5239993a9c8f688 | 4e7cf6706bcd403ab1da151b4933d5e2 |  51 -> 50 | 816 -> 800 | 835584 -> 819200 | Mismatch |
| 2219c211cb1c48e3b6b0a1040436ec39 | bc292174c89a4e6098dfaf0b72d4f9e8 |   6 -> 7  |   6 -> 7   |  12288 -> 14336  | Mismatch |
| 37c6f66ffa0047898811f1c3b9d3e2cb | 99d222da2ebc4c01926c0925bfbe3a34 |  14 -> 11 |  14 -> 11  |  28672 -> 22528  | Mismatch |
| beaeede3841b47efb6b665a1a667e5b1 | a1f915a7a36c471d87d6702255016df4 |  17 -> 11 |  17 -> 11  |  10240 -> 7168   | Mismatch |
| ecf03a0545654c30a5e3df01a6990d1b | 9bf06b77aead480a90fcf5a1ad5e802f |   3 -> 2  |   3 -> 2   |   6144 -> 4096   | Mismatch |
| 529769bcecf64277b7447a3c11088f2a | d7b3d4f7d20444adb7fda140553c25bf |   1 -> 0  |   1 -> 0   |    2048 -> 0     | Mismatch |
| 73986e45bd624099bb4f4c5f03e56105 | 2a2e4fb70ead4dcbb063b427812c15f1 |   1 -> 0  |   1 -> 0   |    2048 -> 0     | Mismatch |
+----------------------------------+----------------------------------+-----------+------------+------------------+----------+
</code>


To fix an entry:

<code bash>
[root@cld-ctrl-01 ~]# python /usr/local/bin/nova-quota-sync --auto_sync --project_id 37c6f66ffa0047898811f1c3b9d3e2cb


+----------------------------------+----------------------------------+-----------+----------+----------------+----------+
|            Project ID            |             User ID              | Instances |  Cores   |      Ram       |  Status  |
+----------------------------------+----------------------------------+-----------+----------+----------------+----------+
| 37c6f66ffa0047898811f1c3b9d3e2cb | 99d222da2ebc4c01926c0925bfbe3a34 |  14 -> 11 | 14 -> 11 | 28672 -> 22528 | Mismatch |
+----------------------------------+----------------------------------+-----------+----------+----------------+----------+

</code>