*** This bug is a duplicate of bug 1255449 *** https://bugs.launchpad.net/bugs/1255449
Ah so looks like this is actually fixed in icehouse - we just need to backport it to Havana. See https://bugs.launchpad.net/nova/+bug/1255449 and the related fix. Let me close this is a dublicate of that - and I will propose a backport for havana stable there. ** This bug has been marked a duplicate of bug 1255449 Libvirt Driver - Custom disk_bus setting is being lost on instance power on -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1321370 Title: nova overwrites hw_disk_bus image property with incorrect value Status in OpenStack Compute (Nova): Triaged Bug description: Currently using Havana Booting from a snapshot with the image property 'hw_disk_bus' = ide boots fine initially. Shutting down/restarting the instance via the dashboard overwrites this value with 'virtio' in the libvirt.xml definition. The value in glance and nova image is correct. glance image-show b2e157f7-d244-4f61-afdf-d39af63f67c6 +---------------------------------------+--------------------------------------+ | Property | Value | +---------------------------------------+--------------------------------------+ | Property 'base_image_ref' | e8ce2f05-f399-4e8f-aa98-c38a8b9d9fbb | | Property 'hw_disk_bus' | ide | | Property 'image_location' | snapshot | | Property 'image_state' | available | | Property 'image_type' | snapshot | | Property 'instance_type_ephemeral_gb' | 0 | | Property 'instance_type_flavorid' | 550ac351-fa21-4315-8309-bec97f00536b | | Property 'instance_type_id' | 24 | | Property 'instance_type_memory_mb' | 4096 | | Property 'instance_type_name' | windows7 | | Property 'instance_type_root_gb' | 35 | | Property 'instance_type_rxtx_factor' | 1 | | Property 'instance_type_swap' | 2000 | | Property 'instance_type_vcpus' | 2 | | Property 'instance_uuid' | b34995bc-50f6-4a9f-bc54-f8b62f0b69eb | | Property 'os_type' | None | | Property 'owner_id' | 473a5f18d57a4746abfb3d6ed33cea45 | | Property 'user_id' | 40caf1d1cb994fbfb8c905e68d07b283 | | checksum | fdad2f12773319dfa8a71dac3cdd4e5a | | container_format | bare | | created_at | 2014-04-29T17:29:57 | | deleted | False | | disk_format | qcow2 | | id | b2e157f7-d244-4f61-afdf-d39af63f67c6 | | is_public | True | | min_disk | 35 | | min_ram | 2048 | | name | pre-migration | | protected | False | | size | 12756713472 | | status | active | | updated_at | 2014-05-12T14:27:25 | +---------------------------------------+--------------------------------------+ nova image-show b2e157f7-d244-4f61-afdf-d39af63f67c6 +-------------------------------------+--------------------------------------+ | Property | Value | +-------------------------------------+--------------------------------------+ | metadata owner_id | 473a5f18d57a4746abfb3d6ed33cea45 | | minDisk | 35 | | metadata instance_type_name | windows7 | | metadata instance_type_swap | 2000 | | metadata instance_type_memory_mb | 4096 | | id | b2e157f7-d244-4f61-afdf-d39af63f67c6 | | metadata instance_type_rxtx_factor | 1 | | metadata os_type | None | | metadata image_state | available | | metadata image_location | snapshot | | minRam | 2048 | | status | ACTIVE | | updated | 2014-05-12T14:27:25Z | | metadata instance_type_id | 24 | | metadata instance_type_vcpus | 2 | | metadata base_image_ref | e8ce2f05-f399-4e8f-aa98-c38a8b9d9fbb | | progress | 100 | | metadata instance_type_flavorid | 550ac351-fa21-4315-8309-bec97f00536b | | OS-EXT-IMG-SIZE:size | 12756713472 | | metadata image_type | snapshot | | metadata user_id | 40caf1d1cb994fbfb8c905e68d07b283 | | name | pre-migration | | created | 2014-04-29T17:29:57Z | | metadata instance_uuid | b34995bc-50f6-4a9f-bc54-f8b62f0b69eb | | server | b34995bc-50f6-4a9f-bc54-f8b62f0b69eb | | metadata instance_type_root_gb | 35 | | metadata hw_disk_bus | ide | | metadata instance_type_ephemeral_gb | 0 | +-------------------------------------+--------------------------------------+ The libvirt.xml of the instance <disk type="file" device="disk"> <driver name="qemu" type="qcow2" cache="none"/> <source file="/var/lib/nova/instances/9aeb0a88-513f-4334-bb89-774e8c1d9dbf/disk"/> <target bus="virtio" dev="vda"/> </disk> <disk type="file" device="disk"> <driver name="qemu" type="qcow2" cache="none"/> <source file="/var/lib/nova/instances/9aeb0a88-513f-4334-bb89-774e8c1d9dbf/disk.swap"/> <target bus="virtio" dev="vdb"/> </disk> To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1321370/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp