Comment 5 for bug 1858019

id and name are unique by themself but yes id and name are not limited with each other.

You can create flavor with id same as existing flavor name or vice versa. like below example where id can be other flavor name and name can be other flavor id

+----------------------------+-------+
openstack@openstack-VirtualBox:~/devstack$ nova flavor-list
+---------+-----------+------------+------+-----------+------+-------+-------------+-----------+-------------+
| ID | Name | Memory_MiB | Disk | Ephemeral | Swap | VCPUs | RXTX_Factor | Is_Public | Description |
+---------+-----------+------------+------+-----------+------+-------+-------------+-----------+-------------+
| 1 | m1.tiny | 512 | 1 | 0 | 0 | 1 | 1.0 | True | - |
| 2 | m1.small | 2048 | 20 | 0 | 0 | 1 | 1.0 | True | - |
| 3 | m1.medium | 4096 | 40 | 0 | 0 | 2 | 1.0 | True | - |
| 4 | m1.large | 8192 | 80 | 0 | 0 | 4 | 1.0 | True | - |
| 42 | m1.nano | 64 | 1 | 0 | 0 | 1 | 1.0 | True | - |
| 5 | m1.xlarge | 16384 | 160 | 0 | 0 | 8 | 1.0 | True | - |
| 6 | new | 512 | 1 | 0 | 0 | 1 | 1.0 | True | - |
| 84 | m1.micro | 128 | 1 | 0 | 0 | 1 | 1.0 | True | - |
| c1 | cirros256 | 256 | 1 | 0 | 0 | 1 | 1.0 | True | - |
| d1 | ds512M | 512 | 5 | 0 | 0 | 1 | 1.0 | True | - |
| d2 | ds1G | 1024 | 10 | 0 | 0 | 1 | 1.0 | True | - |
| d3 | ds2G | 2048 | 10 | 0 | 0 | 2 | 1.0 | True | - |
| d4 | ds4G | 4096 | 20 | 0 | 0 | 4 | 1.0 | True | - |
| m1.nano | new12 | 512 | 1 | 0 | 0 | 1 | 1.0 | True | - |
| new | new1 | 512 | 1 | 0 | 0 | 1 | 1.0 | True | - |
| new1 | new123 | 512 | 1 | 0 | 0 | 1 | 1.0 | True | - |
| new12 | 6 | 512 | 1 | 0 | 0 | 1 | 1.0 | True | - |
+---------+-----------+------------+------+-----------+------+-------+-------------+-----------+-------------+
openstack@openstack-VirtualBox:~/devstack$