According to http://docs.openstack.org/developer/python-openstackclient/command-objects/quota.html

os quota set
    # Compute settings
    [--cores <num-cores>]
    [--fixed-ips <num-fixed-ips>]
    [--floating-ips <num-floating-ips>]
    [--injected-file-size <injected-file-bytes>]
    [--injected-files <num-injected-files>]
    [--instances <num-instances>]
    [--key-pairs <num-key-pairs>]
    [--properties <num-properties>]
    [--ram <ram-mb>]

    # Volume settings
    [--gigabytes <new-gigabytes>]
    [--snapshots <new-snapshots>]
    [--volumes <new-volumes>]
    [--volume-type <volume-type>]

    <project>


stack@openstack:~$ openstack quota show testproject_dx
+-----------------------+----------------+
| Field                 | Value          |
+-----------------------+----------------+
| backup_gigabytes      | 1000           |
| backups               | 10             |
| cores                 | 20             |
| fixed-ips             | -1             |
| floating-ips          | 10             |
| gigabytes             | 1000           |
| gigabytes_lvmdriver-1 | -1             |
| injected-file-size    | 10240          |
| injected-files        | 5              |
| injected-path-size    | 255            |
| instances             | 10             |
| key-pairs             | 100            |
| per_volume_gigabytes  | -1             |
| project               | testproject_dx |
| properties            | 128            |
| ram                   | 51200          |
| secgroup-rules        | 20             |
| secgroups             | 10             |
| server_group_members  | 10             |
| server_groups         | 10             |
| snapshots             | 10             |
| snapshots_lvmdriver-1 | -1             |
| volumes               | 10             |
| volumes_lvmdriver-1   | -1             |
+-----------------------+----------------+

stack@openstack:~$ openstack quota set --cores 11 testproject_dx
stack@openstack:~$ openstack quota show testproject_dx
+-----------------------+----------------+
| Field                 | Value          |
+-----------------------+----------------+
| backup_gigabytes      | 1000           |
| backups               | 10             |
| cores                 | 11             |
| fixed-ips             | -1             |
| floating-ips          | 10             |
| gigabytes             | 1000           |
| gigabytes_lvmdriver-1 | -1             |
| injected-file-size    | 10240          |
| injected-files        | 5              |
| injected-path-size    | 255            |
| instances             | 10             |
| key-pairs             | 100            |
| per_volume_gigabytes  | -1             |
| project               | testproject_dx |
| properties            | 128            |
| ram                   | 51200          |
| secgroup-rules        | 20             |
| secgroups             | 10             |
| server_group_members  | 10             |
| server_groups         | 10             |
| snapshots             | 10             |
| snapshots_lvmdriver-1 | -1             |
| volumes               | 10             |
| volumes_lvmdriver-1   | -1             |
+-----------------------+----------------+


stack@openstack:~$ openstack quota set --fixed-ips 11 testproject_dx
No quotas updatedstack@openstack:~$


stack@openstack:~$ openstack quota set --floating-ips 11 testproject_dx                                                     
No quotas updatedstack@openstack:~$


stack@openstack:~$ openstack quota set --injected-file-size 11 testproject_dx
No quotas updatedstack@openstack:~$

stack@openstack:~$ openstack quota set --injected-files 11 testproject_dx
No quotas updatedstack@openstack:~$ 

stack@openstack:~$ openstack quota set --instances 11 testproject_dx                                                        
stack@openstack:~$ openstack quota show testproject_dx                                                                      
+-----------------------+----------------+
| Field                 | Value          |
+-----------------------+----------------+
| backup_gigabytes      | 1000           |
| backups               | 10             |
| cores                 | 11             |
| fixed-ips             | -1             |
| floating-ips          | 10             |
| gigabytes             | 1000           |
| gigabytes_lvmdriver-1 | -1             |
| injected-file-size    | 10240          |
| injected-files        | 5              |
| injected-path-size    | 255            |
| instances             | 11             |
| key-pairs             | 100            |
| per_volume_gigabytes  | -1             |
| project               | testproject_dx |
| properties            | 128            |
| ram                   | 51200          |
| secgroup-rules        | 20             |
| secgroups             | 10             |
| server_group_members  | 10             |
| server_groups         | 10             |
| snapshots             | 10             |
| snapshots_lvmdriver-1 | -1             |
| volumes               | 10             |
| volumes_lvmdriver-1   | -1             |
+-----------------------+----------------+

stack@openstack:~$ openstack quota set --key-pairs 11 testproject_dx
No quotas updatedstack@openstack:~$

stack@openstack:~$ openstack quota set --properties 11 testproject_dx                                                       
stack@openstack:~$ openstack quota show testproject_dx                                                                      
+-----------------------+----------------+
| Field                 | Value          |
+-----------------------+----------------+
| backup_gigabytes      | 1000           |
| backups               | 10             |
| cores                 | 11             |
| fixed-ips             | -1             |
| floating-ips          | 10             |
| gigabytes             | 1000           |
| gigabytes_lvmdriver-1 | -1             |
| injected-file-size    | 10240          |
| injected-files        | 5              |
| injected-path-size    | 255            |
| instances             | 11             |
| key-pairs             | 100            |
| per_volume_gigabytes  | -1             |
| project               | testproject_dx |
| properties            | 11             |
| ram                   | 51200          |
| secgroup-rules        | 20             |
| secgroups             | 10             |
| server_group_members  | 10             |
| server_groups         | 10             |
| snapshots             | 10             |
| snapshots_lvmdriver-1 | -1             |
| volumes               | 10             |
| volumes_lvmdriver-1   | -1             |
+-----------------------+----------------+

stack@openstack:~$ openstack quota set --ram 11 testproject_dx
stack@openstack:~$ openstack quota show testproject_dx
+-----------------------+----------------+
| Field                 | Value          |
+-----------------------+----------------+
| backup_gigabytes      | 1000           |
| backups               | 10             |
| cores                 | 11             |
| fixed-ips             | -1             |
| floating-ips          | 10             |
| gigabytes             | 1000           |
| gigabytes_lvmdriver-1 | -1             |
| injected-file-size    | 10240          |
| injected-files        | 5              |
| injected-path-size    | 255            |
| instances             | 11             |
| key-pairs             | 100            |
| per_volume_gigabytes  | -1             |
| project               | testproject_dx |
| properties            | 11             |
| ram                   | 11             |
| secgroup-rules        | 20             |
| secgroups             | 10             |
| server_group_members  | 10             |
| server_groups         | 10             |
| snapshots             | 10             |
| snapshots_lvmdriver-1 | -1             |
| volumes               | 10             |
| volumes_lvmdriver-1   | -1             |
+-----------------------+----------------+


volume
---------------------------------------------------------------
stack@openstack:~$ openstack quota set --gigabytes 11 testproject_dx                                                        
stack@openstack:~$ openstack quota show testproject_dx                                                                      
+-----------------------+----------------+
| Field                 | Value          |
+-----------------------+----------------+
| backup_gigabytes      | 1000           |
| backups               | 10             |
| cores                 | 11             |
| fixed-ips             | -1             |
| floating-ips          | 10             |
| gigabytes             | 11             |
| gigabytes_lvmdriver-1 | -1             |
| injected-file-size    | 10240          |
| injected-files        | 5              |
| injected-path-size    | 255            |
| instances             | 11             |
| key-pairs             | 100            |
| per_volume_gigabytes  | -1             |
| project               | testproject_dx |
| properties            | 11             |
| ram                   | 11             |
| secgroup-rules        | 20             |
| secgroups             | 10             |
| server_group_members  | 10             |
| server_groups         | 10             |
| snapshots             | 10             |
| snapshots_lvmdriver-1 | -1             |
| volumes               | 10             |
| volumes_lvmdriver-1   | -1             |
+-----------------------+----------------+


stack@openstack:~$ openstack quota set --snapshots 11 testproject_dx
stack@openstack:~$ openstack quota show testproject_dx
+-----------------------+----------------+
| Field                 | Value          |
+-----------------------+----------------+
| backup_gigabytes      | 1000           |
| backups               | 10             |
| cores                 | 11             |
| fixed-ips             | -1             |
| floating-ips          | 10             |
| gigabytes             | 11             |
| gigabytes_lvmdriver-1 | -1             |
| injected-file-size    | 10240          |
| injected-files        | 5              |
| injected-path-size    | 255            |
| instances             | 11             |
| key-pairs             | 100            |
| per_volume_gigabytes  | -1             |
| project               | testproject_dx |
| properties            | 11             |
| ram                   | 11             |
| secgroup-rules        | 20             |
| secgroups             | 10             |
| server_group_members  | 10             |
| server_groups         | 10             |
| snapshots             | 11             |
| snapshots_lvmdriver-1 | -1             |
| volumes               | 10             |
| volumes_lvmdriver-1   | -1             |
+-----------------------+----------------+


stack@openstack:~$ openstack quota set --volumes 11 testproject_dx                                                          
stack@openstack:~$ openstack quota show testproject_dx                                                                      
+-----------------------+----------------+
| Field                 | Value          |
+-----------------------+----------------+
| backup_gigabytes      | 1000           |
| backups               | 10             |
| cores                 | 11             |
| fixed-ips             | -1             |
| floating-ips          | 10             |
| gigabytes             | 11             |
| gigabytes_lvmdriver-1 | -1             |
| injected-file-size    | 10240          |
| injected-files        | 5              |
| injected-path-size    | 255            |
| instances             | 11             |
| key-pairs             | 100            |
| per_volume_gigabytes  | -1             |
| project               | testproject_dx |
| properties            | 11             |
| ram                   | 11             |
| secgroup-rules        | 20             |
| secgroups             | 10             |
| server_group_members  | 10             |
| server_groups         | 10             |
| snapshots             | 11             |
| snapshots_lvmdriver-1 | -1             |
| volumes               | 11             |
| volumes_lvmdriver-1   | -1             |
+-----------------------+----------------+





The conclusion about quota set:

succeed
cores 
instances
properties
ram
gigabytes
snapshot
volumes


failed
fixed-ips
floating-ips
injected-file-size
injected-files
key-pairs

5 failed, I working on them now.