Hello, During our testing we perform reboot of compute during volume attached task. Result is as follows. Volume is marked as attached to VM (also in DB) ceeinfra@lcm1:~> openstack volume list +--------------------------------------+-----------------------------------------------------------------------------+-----------+------+--------------------------------------------------------------------------------------------------------------+ | ID | Name | Status | Size | Attached to | +--------------------------------------+-----------------------------------------------------------------------------+-----------+------+--------------------------------------------------------------------------------------------------------------+ | c52d406c-5587-445d-9da1-436ffbbe3541 | vol_neXt-488 | available | 10 | | | f3e45efc-35eb-4f95-8e71-f50b5cb69028 | RebootOfComputeHostWhilePerformingVolumeOperations-Volume-0618_19_45_12_669 | in-use | 20 | Attached to neXt-377_VM1--RebootOfComputeHostWhilePerformingVolumeOperations--0618_19_44_16_775 on /dev/vdb | | 1bd81392-e2c9-4725-93c8-baa484924f21 | vol_neXt-488 | available | 10 | | | 919db17c-0729-409c-bf59-74539edcea47 | vol_neXt-488 | available | 10 | | +--------------------------------------+-----------------------------------------------------------------------------+-----------+------+--------------------------------------------------------------------------------------------------------------+
From VM perspective too. ceeinfra@lcm1:~> openstack server show neXt-377_VM1--RebootOfComputeHostWhilePerformingVolumeOperations--0618_19_44_16_775 +-------------------------------------+-------------------------------------------------------------------------------------+ | Field | Value | +-------------------------------------+-------------------------------------------------------------------------------------+ | OS-DCF:diskConfig | MANUAL | | OS-EXT-AZ:availability_zone | nova | | OS-EXT-SRV-ATTR:host | compute-0-11.k2.ericsson.se | | OS-EXT-SRV-ATTR:hypervisor_hostname | compute-0-11.k2.ericsson.se | | OS-EXT-SRV-ATTR:instance_name | instance-00001edc | | OS-EXT-STS:power_state | Running | | OS-EXT-STS:task_state | None | | OS-EXT-STS:vm_state | active | | OS-SRV-USG:launched_at | 2021-06-18T14:14:58.000000 | | OS-SRV-USG:terminated_at | None | | accessIPv4 | | | accessIPv6 | | | addresses | NovaController-Network-0618_19_44_16_852=10.0.0.5 | | config_drive | True | | created | 2021-06-18T14:14:19Z | | flavor | m1.small (2) | | hostId | 5078bfd4fabd8b2e7c9f4554b3ac08d536ceebb5f393db4d38c8ff60 | | id | 95ed49ed-b3f8-46ae-80a0-544b939c50b7 | | image | JCAT_Common_CirrOS_i386 (b71f3fbd-59f1-4c29-a296-5065fe0406f7) | | key_name | None | | name | neXt-377_VM1--RebootOfComputeHostWhilePerformingVolumeOperations--0618_19_44_16_775 | | progress | 0 | | project_id | b63725c8ebaf43ebabbed497f41eb71c | | properties | ha-policy='managed-on-host' | | scheduler_hints | {} | | security_groups | name='default' | | status | ACTIVE | | updated | 2021-06-18T14:22:07Z | | user_id | f490f07b813748698e56ca7641d46a72 | | volumes_attached | id='f3e45efc-35eb-4f95-8e71-f50b5cb69028' | +-------------------------------------+-------------------------------------------------------------------------------------+
From Libvirt perspective, volume is not attached to VM
compute-0-11:/var/log # virsh dumpxml instance-00001edc <domain type='kvm' id='1'> <name>instance-00001edc</name> <uuid>95ed49ed-b3f8-46ae-80a0-544b939c50b7</uuid> (...) <devices> <emulator>/usr/bin/qemu-system-x86_64</emulator> <disk type='file' device='disk'> <driver name='qemu' type='qcow2' cache='directsync'/> <source file='/var/lib/nova/instances/95ed49ed-b3f8-46ae-80a0-544b939c50b7/disk' index='2'/> <backingStore type='file' index='3'> <format type='raw'/> <source file='/var/lib/nova/instances/_base/af82cd8216adb002916bb9e422a3fbb637022ec6'/> <backingStore/> </backingStore> <target dev='vda' bus='virtio'/> <alias name='virtio-disk0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </disk> <disk type='file' device='cdrom'> <driver name='qemu' type='raw' cache='directsync'/> <source file='/var/lib/nova/instances/95ed49ed-b3f8-46ae-80a0-544b939c50b7/disk.config' index='1'/> <backingStore/> <target dev='hdd' bus='ide'/> <readonly/> <alias name='ide0-1-1'/> <address type='drive' controller='0' bus='1' target='0' unit='1'/> </disk> <controller type='usb' index='0' model='piix3-uhci'> (...) </domain> System does not provide any indication of the problem. There should be some kind of indication to user that volume attachment was not completed. Pozdrawiam / Best regards, Aleksander Wojtal, Junior Software Engineer TietoEVRY BU Telco Cloud Infra & Applications email aleksander.wojtal@tietoevry.com al. Piastów 30, 71-064 Szczecin, tietoevry.com [cid:image001.png@01D77EE0.7C2AE900] Please note: The information contained in this message may be legally privileged, confidential and protected from disclosure. If you received this in error, please notify the sender immediately and delete the message from your computer. Thank you.
