http://docs.openstack.org/admin-guide/compute-flavors.html# openstack flavor set IWINV.OCTA --property
quota:disk_io_reservation=2000# nova flavor-show IWINV.OCTA
+----------------------------+---------------------------------------+
| Property | Value |
+----------------------------+---------------------------------------+
| OS-FLV-DISABLED:disabled | False |
| OS-FLV-EXT-DATA:ephemeral | 0 |
| disk | 25 |
|
extra_specs | {"quota:disk_io_reservation": "2000"} |
| id | c0063d60-9634-4952-bd65-42888b315621 |
| name | IWINV.OCTA |
| os-flavor-access:is_public | True |
| ram | 16384 |
| rxtx_factor | 1.0 |
| swap | |
| vcpus | 8 |
+----------------------------+---------------------------------------+