Hi everyone,
We are trying to set up ovirt (4.3.10 at the moment, customer preference) to
use Lightbits (https://www.lightbitslabs.com) storage via our openstack cinder
driver with cinderlib. The cinderlib and cinder driver bits are working fine
but when ovirt tries to attach the device to a VM we get the following error:
libvirt: error : cannot create file
'/var/run/libvirt/qemu/18-mulivm1.dev/mapper/': Is a directory
We get the same error regardless of whether I try to run the VM or try to
attach the device while it is running. The error appears to come from vdsm
which passes /dev/mapper as the prefered device?
2022-02-22 09:50:11,848-0500 INFO (vm/3ae7dcf4) [vdsm.api] FINISH
appropriateDevice return={'path': '/dev/mapper/', 'truesize': '53687091200',
'apparentsize': '53687091200'} from=internal,
task_id=77f40c4e-733d-4d82-b418-aaeb6b912d39 (api:54)
2022-02-22 09:50:11,849-0500 INFO (vm/3ae7dcf4) [vds] prepared volume path:
/dev/mapper/ (clientIF:510)
Suggestions for how to debug this further? Is this a known issue? Did anyone
get nvme/tcp storage working with ovirt and/or vdsm?
Thanks,
Muli
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