oh, it seems it is my fault again :( sry... after checkout the logs (huray, i found it!) i seen this line: tail /var/log/containers/cinder-volume-5cf6d84d77-5xn65_openstack_cinder-volume-699b965af5d3f4294478c86714bf35107942d1bc1fae37b77dd6d383510aea40.log {"log":"2019-11-22 12:28:55.990 17 ERROR oslo_messaging.rpc.server ImageUnacceptable: Image 8cf1d853-d09e-4342-8691-d25874b489b4 is unacceptable: Image virtual size is 2048GB and doesn't fit in a volume of size 1000GB.\n","stream":"stdout","time":"2019-11-22T12:28:56.026088581Z"} so i missed the destination volume size by 1000GB to 2048GB! currently it is running again, hope this will fix my problem! i will give you an sign if this is my fault... greez & thx, volker... ------------------------------------------------------ hi, i'm trying to create an new VM volume, based on an ~200GB image. the volume should be a size of 1000GB. while creating the new volume, on controller the docker vg is growing up to round about 120GB. but after some time (i think an houre) the creating stopped and volume image switched to "error". i do not know why? how can i check details about this error? volker...