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Image it's my .iso.

Volume was created during instance creating. OS was installed and now, i'm always booting into image with Centos installation, but it doesn't have options to quit from installation only. And now I just wanna detach image from instance.

[root@node-28 ~]# nova show VM_for_part2 +--------------------------------------+-----------------------------------------------------------+ | Property | Value | +--------------------------------------+-----------------------------------------------------------+ | OS-DCF:diskConfig | MANUAL | | OS-EXT-AZ:availability_zone | nova | | OS-EXT-SRV-ATTR:host | node-27.domain.tld | | OS-EXT-SRV-ATTR:hypervisor_hostname | node-27.domain.tld | | OS-EXT-SRV-ATTR:instance_name | instance-00000002 | | OS-EXT-STS:power_state | 4 | | OS-EXT-STS:task_state | - | | OS-EXT-STS:vm_state | stopped | | OS-SRV-USG:launched_at | 2015-10-16T10:49:51.000000 | | OS-SRV-USG:terminated_at | - | | accessIPv4 | | | accessIPv6 | | | config_drive | | | created | 2015-10-16T10:06:38Z | | flavor | my.flavor (0ca40449-a5df-47f5-ac7f-fb8fc341d8b3) | | hostId | 3849fcc2fe8299fd70cf3a156fb3d6c19e17fcb7e5e6f0d313b538f7 | | id | c2725bd4-840d-47c2-8b75-d2d997c94c28 | | image | Centos_for_install (d3450c08-2baa-4b0e-85e3-021d069b8ce4) | | key_name | - | | metadata | {} | | name | VM_for_part2 | | net04 network | 192.168.111.4 | | os-extended-volumes:volumes_attached | [{"id": "f7599f5b-5a76-4d2a-8f37-50efd33d8f1c"}] | | security_groups | default | | status | SHUTOFF | | tenant_id | 42d3ec19064f4f69b7f08d1f723535ab | | updated | 2015-10-16T13:07:43Z | | user_id | 33362eaf043a43669e3c7bc9a1bceaab | +--------------------------------------+-----------------------------------------------------------+

[root@node-28 ~]# cinder list +--------------------------------------+--------+------------------------------------------------+------+-------------+----------+--------------------------------------+ | ID | Status | Display Name | Size | Volume Type | Bootable | Attached to | +--------------------------------------+--------+------------------------------------------------+------+-------------+----------+--------------------------------------+ | f7599f5b-5a76-4d2a-8f37-50efd33d8f1c | in-use | c2725bd4-840d-47c2-8b75-d2d997c94c28-blank-vol | 10 | None | false | c2725bd4-840d-47c2-8b75-d2d997c94c28 | +--------------------------------------+--------+------------------------------------------------+------+-------------+----------+--------------------------------------+