Description of problem:

I tried do an live storage migration but this failed, after I re-tried and I had this error menssage.

storage origem (10.16.2.110)
storage destination (10.16.2.105)

HSMGetAllTasksStatusesVDS failed: Volume already exists: ('4072fd70-962c-40f7-898c-e7df5ad25725',)

this volume exists in the 2 storages. but in database show that the vm run in the frist storage(origem).

find / -name 4072fd70-962c-40f7-898c-e7df5ad25725
/rhev/data-center/mnt/10.16.2.110:_home_nfs/49b89dd4-b718-4a9e-8024-8d656ac9b3bd/images/67f7d6aa-d983-48c4-852b-7258d09c3881/4072fd70-962c-40f7-898c-e7df5ad25725

/rhev/data-center/mnt/10.16.2.105:_home_nfs/3d65830f-afb3-4663-828c-42adff11de85/images/67f7d6aa-d983-48c4-852b-7258d09c3881/4072fd70-962c-40f7-898c-e7df5ad25725



but when a run this command  in the host that vm started:
  
ps aux | grep SEMARH*

Show that run another volume id:

-drive file=/rhev/data-center/mnt/10.16.2.110:_home_nfs/49b89dd4-b718-4a9e-8024-8d656ac9b3bd/images/67f7d6aa-d983-48c4-852b-7258d09c3881/fe85c5da-10fe-4698-975d-22bfa6362762

and this volume not exist:

qemu-img info /rhev/data-center/mnt/10.16.2.110:_home_nfs/49b89dd4-b718-4a9e-8024-8d656ac9b3bd/images/67f7d6aa-d983-48c4-852b-7258d09c3881/fe85c5da-10fe-4698-975d-22bfa6362762
qemu-img: Could not open '/rhev/data-center/mnt/10.16.2.110:_home_nfs/49b89dd4-b718-4a9e-8024-8d656ac9b3bd/images/67f7d6aa-d983-48c4-852b-7258d09c3881/fe85c5da-10fe-4698-975d-22bfa6362762': Could not open '/rhev/data-center/mnt/10.16.2.110:_home_nfs/49b89dd4-b718-4a9e-8024-8d656ac9b3bd/images/67f7d6aa-d983-48c4-852b-7258d09c3881/fe85c5da-10fe-4698-975d-22bfa6362762': No such file or directory


qemu-img info /rhev/data-center/mnt/10.16.2.110:_home_nfs/49b89dd4-b718-4a9e-8024-8d656ac9b3bd/images/67f7d6aa-d983-48c4-852b-7258d09c3881/fe85c5da-10fe-4698-975d-22bfa6362762
qemu-img: Could not open '/rhev/data-center/mnt/10.16.2.110:_home_nfs/49b89dd4-b718-4a9e-8024-8d656ac9b3bd/images/67f7d6aa-d983-48c4-852b-7258d09c3881/fe85c5da-10fe-4698-975d-22bfa6362762': Could not open '/rhev/data-center/mnt/10.16.2.110:_home_nfs/49b89dd4-b718-4a9e-8024-8d656ac9b3bd/images/67f7d6aa-d983-48c4-852b-7258d09c3881/fe85c5da-10fe-4698-975d-22bfa6362762': No such file or directory

If I run md5sum and hash not change:

md5sum /rhev/data-center/mnt/10.16.2.110\:_home_nfs/49b89dd4-b718-4a9e-8024-8d656ac9b3bd/images/67f7d6aa-d983-48c4-852b-7258d09c3881/4072fd70-962c-40f7-898c-e7df5ad25725
38021c8f670332f2f6ade6486b7a06eb  /rhev/data-center/mnt/10.16.2.110:_home_nfs/49b89dd4-b718-4a9e-8024-8d656ac9b3bd/images/67f7d6aa-d983-48c4-852b-7258d09c3881/4072fd70-962c-40f7-898c-e7df5ad25725

after 10 min:

md5sum /rhev/data-center/mnt/10.16.2.110\:_home_nfs/49b89dd4-b718-4a9e-8024-8d656ac9b3bd/images/67f7d6aa-d983-48c4-852b-7258d09c3881/4072fd70-962c-40f7-898c-e7df5ad25725
38021c8f670332f2f6ade6486b7a06eb  /rhev/data-center/mnt/10.16.2.110:_home_nfs/49b89dd4-b718-4a9e-8024-8d656ac9b3bd/images/67f7d6aa-d983-48c4-852b-7258d09c3881/4072fd70-962c-40f7-898c-e7df5ad25725


another storage:

24eeb2845cbfda238b78fa165c21607d  /rhev/data-center/mnt/10.16.2.105:_home_nfs/3d65830f-afb3-4663-828c-42adff11de85/images/67f7d6aa-d983-48c4-852b-7258d09c3881/4072fd70-962c-40f7-898c-e7df5ad25725

after 10 min:

24eeb2845cbfda238b78fa165c21607d  /rhev/data-center/mnt/10.16.2.105:_home_nfs/3d65830f-afb3-4663-828c-42adff11de85/images/67f7d6aa-d983-48c4-852b-7258d09c3881/4072fd70-962c-40f7-898c-e7df5ad25725



Version-Release number of selected component (if applicable):
 
oVirt engine - 4.1.9
Vdsm - 4.20.23


the vm run normaly and I already restart this.

Thank you.