Snapshot deletes mounted on VM's cloud disk do, the parent cloud disk is removed

[Rbort]

First：Create a cloud disk，it called disk10， and mount it to VM

[root@controller1 ~]# cinder list
-----------------------------------------------+--------------+------+-------------+----------+--------------------------------------+ | ID | Status | Display Name | Size | Volume Type | Bootable | Attached to |
-----------------------------------------------+--------------+------+-------------+----------+--------------------------------------+ | 4ce8c1a2-05a0-461d-a36d-51e1474c20a4 | in-use | disk10 | 10 | None | false | 9b449a2a-251c-4180-a398-f726e7626b77 |

Second：The virtual machine is available

[root@controller1 ~]# nova list
----------------------------------------------------+---------+------------+-------------+----------------------------------+ | ID | Name | Status | Task State | Power State | Networks |
----------------------------------------------------+---------+------------+-------------+----------------------------------+ | f0c07c99-3e7e-48c0-9275-71eb895bd43b | testwin2008wt3 | ACTIVE | - | Running | testnetwork=17.0.0.18 | | 9b449a2a-251c-4180-a398-f726e7626b77 | testwin2008wt4 | ACTIVE | - | Running | testnetwork=17.0.0.16 |

Third：To view this cloud disk exists

[root@controller1 ~]# find / -name volume-4ce8c1a2-05a0-461d-a36d-51e1474c20a4
/var/lib/cinder/mnt/24e2f30034a4ee7d8dd436a9a33c8d83/volume-4ce8c1a2-05a0-461d-a36d-51e1474c20a4

Forth：To create the virtual machine disk snapshot cloud

[root@controller1 ~]# cinder snapshot-create 4ce8c1a2-05a0-461d-a36d-51e1474c20a4 --display-name testdisk10
---------------------------------------------------------+ | Property | Value |
---------------------------------------------------------+ | created_at | 2014-07-18T06:36:22.090378 | | display_description | None | | display_name | testdisk10 | | id | beb03617-1f3a-40ee-9bfb-946e7596cff7 | | metadata | {} | | size | 10 | | status | creating | | volume_id | 4ce8c1a2-05a0-461d-a36d-51e1474c20a4 |
---------------------------------------------------------+

[root@controller1 ~]# cinder snapshot-show testdisk10
--------------------------------------------------------------------------------+ | Property | Value |
--------------------------------------------------------------------------------+ | created_at | 2014-07-18T06:36:22.000000 | | display_description | None | | display_name | testdisk10 | | id | beb03617-1f3a-40ee-9bfb-946e7596cff7 | | metadata | {} | | os-extended-snapshot-attributes:progress | 100% | | os-extended-snapshot-attributes:project_id | e420a4eb165540ff83e3cf8879ee43bb | | size | 10 | | status | available | | volume_id | 4ce8c1a2-05a0-461d-a36d-51e1474c20a4 |
--------------------------------------------------------------------------------+

[root@controller1 ~]# find / -name volume-4ce8c1a2-05a0-461d-a36d-51e1474c20a4.beb03617-1f3a-40ee-9bfb-946e7596cff7
/var/lib/cinder/mnt/24e2f30034a4ee7d8dd436a9a33c8d83/volume-4ce8c1a2-05a0-461d-a36d-51e1474c20a4.beb03617-1f3a-40ee-9bfb-946e7596cff7

Fifth：Delete this snapshot

[root@controller1 ~]# cinder snapshot-delete beb03617-1f3a-40ee-9bfb-946e7596cff7
[root@controller1 ~]# cinder snapshot-list
--------------------------------------------------------------------------+----------------+--------------+------+ | ID | Volume ID | Status | Display Name | Size |
--------------------------------------------------------------------------+----------------+--------------+------+ | 1dd80c8c-1f02-4de9-8c34-f72b998d15a2 | d402d1ef-cb8f-46b3-bc4e-249780ec6e12 | error_deleting | disk6test | 2 | | 4b0553ad-eeed-4f5f-a5dc-a83d347132aa | 78610f1c-a13f-4903-a4d5-251a9e8c6680 | error_deleting | testdisk7 | 10 | | 537fb5af-bbd3-4de8-81e5-6adce1769a3b | b9011051-6f86-4dbc-9290-874822307882 | error_deleting | wtfdisk8 | 20 | | beb03617-1f3a-40ee-9bfb-946e7596cff7 | 4ce8c1a2-05a0-461d-a36d-51e1474c20a4 | error_deleting | testdisk10 | 10 | | bfeff975-afb7-4dd8-9920-ff24094d59c9 | bbe81fa2-34d7-4d3f-8fb8-bcd873a2022d | available | testdisk9 | 20 | | dab01395-96e9-49b4-8697-8e92f944aa2a | b9011051-6f86-4dbc-9290-874822307882 | error_deleting | disk8test | 20 |
--------------------------------------------------------------------------+----------------+--------------+------+

[root@controller1 ~]# cinder snapshot-reset-state testdisk10 --state error

[root@controller1 ~]# cinder snapshot-list
--------------------------------------------------------------------------+----------------+--------------+------+ | ID | Volume ID | Status | Display Name | Size |
--------------------------------------------------------------------------+----------------+--------------+------+ | 1dd80c8c-1f02-4de9-8c34-f72b998d15a2 | d402d1ef-cb8f-46b3-bc4e-249780ec6e12 | error_deleting | disk6test | 2 | | 4b0553ad-eeed-4f5f-a5dc-a83d347132aa | 78610f1c-a13f-4903-a4d5-251a9e8c6680 | error_deleting | testdisk7 | 10 | | 537fb5af-bbd3-4de8-81e5-6adce1769a3b | b9011051-6f86-4dbc-9290-874822307882 | error_deleting | wtfdisk8 | 20 | | beb03617-1f3a-40ee-9bfb-946e7596cff7 | 4ce8c1a2-05a0-461d-a36d-51e1474c20a4 | error | testdisk10 | 10 | | bfeff975-afb7-4dd8-9920-ff24094d59c9 | bbe81fa2-34d7-4d3f-8fb8-bcd873a2022d | available | testdisk9 | 20 | | dab01395-96e9-49b4-8697-8e92f944aa2a | b9011051-6f86-4dbc-9290-874822307882 | error_deleting | disk8test | 20 |
--------------------------------------------------------------------------+----------------+--------------+------+

[root@controller1 ~]# cinder snapshot-delete testdisk10

[root@controller1 ~]# cinder snapshot-list
--------------------------------------------------------------------------+----------------+--------------+------+ | ID | Volume ID | Status | Display Name | Size |
--------------------------------------------------------------------------+----------------+--------------+------+ | 1dd80c8c-1f02-4de9-8c34-f72b998d15a2 | d402d1ef-cb8f-46b3-bc4e-249780ec6e12 | error_deleting | disk6test | 2 | | 4b0553ad-eeed-4f5f-a5dc-a83d347132aa | 78610f1c-a13f-4903-a4d5-251a9e8c6680 | error_deleting | testdisk7 | 10 | | 537fb5af-bbd3-4de8-81e5-6adce1769a3b | b9011051-6f86-4dbc-9290-874822307882 | error_deleting | wtfdisk8 | 20 | | bfeff975-afb7-4dd8-9920-ff24094d59c9 | bbe81fa2-34d7-4d3f-8fb8-bcd873a2022d | available | testdisk9 | 20 | | dab01395-96e9-49b4-8697-8e92f944aa2a | b9011051-6f86-4dbc-9290-874822307882 | error_deleting | disk8test | 20 |
--------------------------------------------------------------------------+----------------+--------------+------+

Sixth：To find the parent cloud disk and snapshot's testdisk10

[root@controller1 ~]# find / -name volume-4ce8c1a2-05a0-461d-a36d-51e1474c20a4 （Not find）

[root@controller1 ~]# find / -name volume-4ce8c1a2-05a0-461d-a36d-51e1474c20a4.beb03617-1f3a-40ee-9bfb-946e7596cff7
/var/lib/cinder/mnt/24e2f30034a4ee7d8dd436a9a33c8d83/volume-4ce8c1a2-05a0-461d-a36d-51e1474c20a4.beb03617-1f3a-40ee-9bfb-946e7596cff7

Seventh：Again this is mounted to the virtual machine's cloud disk to create a snapshot

[root@controller1 ~]# cinder snapshot-create 4ce8c1a2-05a0-461d-a36d-51e1474c20a4 --display-name wtf-testdisk10
---------------------------------------------------------+ | Property | Value |
---------------------------------------------------------+ | created_at | 2014-07-18T06:50:11.234544 | | display_description | None | | display_name | wtf-testdisk10 | | id | 2477c35d-072e-45a3-995b-2bfce56f9fad | | metadata | {} | | size | 10 | | status | creating | | volume_id | 4ce8c1a2-05a0-461d-a36d-51e1474c20a4 |
---------------------------------------------------------+

[root@controller1 ~]# cinder snapshot-show wtf-testdisk10
--------------------------------------------------------------------------------+ | Property | Value |
--------------------------------------------------------------------------------+ | created_at | 2014-07-18T06:50:11.000000 | | display_description | None | | display_name | wtf-testdisk10 | | id | 2477c35d-072e-45a3-995b-2bfce56f9fad | | metadata | {} | | os-extended-snapshot-attributes:progress | 0% | | os-extended-snapshot-attributes:project_id | e420a4eb165540ff83e3cf8879ee43bb | | size | 10 | | status | error | | volume_id | 4ce8c1a2-05a0-461d-a36d-51e1474c20a4 |
--------------------------------------------------------------------------------+

[John Griffith (john-griffith)]

Sorry, I really tried to follow what you're getting at above, but couldn't.

First of all, there's no reason to do the "find -name on all of the volumes". If "cinder list" shows it, that's usually sufficient.

I'm also very confused, by what the problem is here; I *think* what you're seeing is:

<vid> = cinder create
cinder snapshot-create <vid>

the snapshot fails?

You then try a reset and delete again?

Can you look in your c-vol logs and find the errors there?

Maybe clean up the sequence and point out exactly what problem you're having and I can try and help

[Sean McGinnis (sean-mcginnis)]

Closing stale bug. If this is still an issue please reopen.