I'll add a log example from the qemu-img wrapper i wrote to see what exactly is happening with qemu-img operations. This shows each qemu-img call during the VolumesV2SnapshotTestJSON tests with some metadata, showing when the ownership of the backing file changes and the subsequent failing qemu-img operations. -----------------<2015-07-14 19:46:47>---------------- With user 1000 and group 1000: /usr/bin/qemu-img create -f qcow2 -o preallocation=metadata /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b 1073741824 ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 26420 ? Ssl 12:04 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 6.2 0.2 2179400 20584 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for 1073741824 prior to operation: ------Operation: ----OutStream: Formatting '/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b', fmt=qcow2 size=1073741824 encryption=off cluster_size=65536 preallocation='metadata' lazy_refcounts=off ----ErrStream: ----------File path after operation: ----------------------Exit code 0------------------ -----------------<2015-07-14 19:46:49>---------------- With user 1000 and group 1000: /usr/bin/qemu-img create -f qcow2 -o backing_file=/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 26612 ? Ssl 12:04 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 6.1 0.2 2179400 20584 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b prior to operation: -rw-rw-rw- 1 ubuntu ubuntu 1074135040 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ------Operation: ----OutStream: Formatting '/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a', fmt=qcow2 size=1073741824 backing_file='/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b' encryption=off cluster_size=65536 lazy_refcounts=off ----ErrStream: ----------File path after operation: -rw-rw-rw- 1 ubuntu ubuntu 1074135040 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ----------------------Exit code 0------------------ -----------------<2015-07-14 19:46:50>---------------- With user 0 and group 0: /usr/bin/qemu-img info /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 26680 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 6.0 0.2 2179400 20584 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b prior to operation: -rw-rw-rw- 1 ubuntu ubuntu 1074135040 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ------Operation: ----OutStream: image: /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b file format: qcow2 virtual size: 1.0G (1073741824 bytes) disk size: 1.0G cluster_size: 65536 Format specific information: compat: 1.1 lazy refcounts: false ----ErrStream: ----------File path after operation: -rw-rw-rw- 1 ubuntu ubuntu 1074135040 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ----------------------Exit code 0------------------ -----------------<2015-07-14 19:46:50>---------------- With user 1000 and group 1000: /usr/bin/qemu-img rebase -u -b volume-e91c886a-8edc-416e-866c-63b2280add2b -F qcow2 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a ---------Active Quobyte clients: ubuntu 4566 0.0 0.0 8860 648 pts/18 S+ 19:46 0:00 \_ grep mount.quobyte ubuntu 25917 0.0 0.3 2187720 27112 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 6.0 0.2 2179400 20584 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a prior to operation: -rw-r--r-- 1 ubuntu ubuntu 197120 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a ------Operation: ----OutStream: ----ErrStream: ----------File path after operation: -rw-r--r-- 1 ubuntu ubuntu 197120 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a ----------------------Exit code 0------------------ -----------------<2015-07-14 19:46:53>---------------- With user 0 and group 0: /usr/bin/qemu-img info /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a ---------Active Quobyte clients: root 4587 0.0 0.0 8860 648 pts/18 S+ 19:46 0:00 \_ grep mount.quobyte ubuntu 25917 0.0 0.3 2187720 27056 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.9 0.2 2179400 20584 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a prior to operation: -rw-rw---- 1 ubuntu ubuntu 197120 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a ------Operation: ----OutStream: image: /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a file format: qcow2 virtual size: 1.0G (1073741824 bytes) disk size: 193K cluster_size: 65536 backing file: volume-e91c886a-8edc-416e-866c-63b2280add2b (actual path: /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b) backing file format: qcow2 Format specific information: compat: 1.1 lazy refcounts: false ----ErrStream: ----------File path after operation: -rw-rw---- 1 ubuntu ubuntu 197120 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a ----------------------Exit code 0------------------ -----------------<2015-07-14 19:46:53>---------------- With user 1000 and group 1000: /usr/bin/qemu-img commit /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 26940 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.9 0.2 2179400 20584 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a prior to operation: -rw-rw---- 1 ubuntu ubuntu 197120 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a ------Operation: ----OutStream: Image committed. ----ErrStream: ----------File path after operation: -rw-rw---- 1 ubuntu ubuntu 197120 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.25d49040-2878-4150-9e59-f0ffa867da8a ----------------------Exit code 0------------------ -----------------<2015-07-14 19:46:57>---------------- With user 1000 and group 115: /usr/bin/qemu-img info /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/kernel ---------Active Quobyte clients: ubuntu 4613 0.0 0.0 8860 648 pts/15 S+ 19:46 0:00 | \_ grep mount.quobyte ubuntu 25917 0.0 0.3 2187720 27000 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.6 0.2 2179400 20584 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/kernel prior to operation: -rw-r--r-- 1 ubuntu libvirtd 4979632 Jul 14 19:46 /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/kernel ------Operation: ----OutStream: image: /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/kernel file format: raw virtual size: 4.7M (4979712 bytes) disk size: 4.8M ----ErrStream: ----------File path after operation: -rw-r--r-- 1 ubuntu libvirtd 4979632 Jul 14 19:46 /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/kernel ----------------------Exit code 0------------------ -----------------<2015-07-14 19:46:57>---------------- With user 1000 and group 115: /usr/bin/qemu-img info /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/ramdisk ---------Active Quobyte clients: ubuntu 4633 0.0 0.0 8860 644 pts/15 S+ 19:46 0:00 | \_ grep mount.quobyte ubuntu 25917 0.0 0.3 2187720 27000 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.6 0.2 2179400 20584 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/ramdisk prior to operation: -rw-r--r-- 1 ubuntu libvirtd 3740163 Jul 14 19:46 /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/ramdisk ------Operation: ----OutStream: image: /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/ramdisk file format: raw virtual size: 3.6M (3740672 bytes) disk size: 3.6M ----ErrStream: ----------File path after operation: -rw-r--r-- 1 ubuntu libvirtd 3740163 Jul 14 19:46 /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/ramdisk ----------------------Exit code 0------------------ -----------------<2015-07-14 19:46:58>---------------- With user 1000 and group 115: /usr/bin/qemu-img info /opt/stack/data/nova/instances/_base/088ab544280572f166011b15bda807b0589b9f5a ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 27000 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.6 0.2 2179400 20584 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/nova/instances/_base/088ab544280572f166011b15bda807b0589b9f5a prior to operation: -rw-r--r-- 1 libvirt-qemu kvm 25165824 Jul 14 10:49 /opt/stack/data/nova/instances/_base/088ab544280572f166011b15bda807b0589b9f5a ------Operation: ----OutStream: image: /opt/stack/data/nova/instances/_base/088ab544280572f166011b15bda807b0589b9f5a file format: raw virtual size: 24M (25165824 bytes) disk size: 24M ----ErrStream: ----------File path after operation: -rw-r--r-- 1 libvirt-qemu kvm 25165824 Jul 14 10:49 /opt/stack/data/nova/instances/_base/088ab544280572f166011b15bda807b0589b9f5a ----------------------Exit code 0------------------ -----------------<2015-07-14 19:46:58>---------------- With user 1000 and group 115: /usr/bin/qemu-img create -f qcow2 -o backing_file=/opt/stack/data/nova/instances/_base/088ab544280572f166011b15bda807b0589b9f5a /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 27000 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.6 0.2 2179400 20584 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/nova/instances/_base/088ab544280572f166011b15bda807b0589b9f5a prior to operation: -rw-r--r-- 1 libvirt-qemu kvm 25165824 Jul 14 10:49 /opt/stack/data/nova/instances/_base/088ab544280572f166011b15bda807b0589b9f5a ------Operation: ----OutStream: Formatting '/opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk', fmt=qcow2 size=25165824 backing_file='/opt/stack/data/nova/instances/_base/088ab544280572f166011b15bda807b0589b9f5a' encryption=off cluster_size=65536 lazy_refcounts=off ----ErrStream: ----------File path after operation: -rw-r--r-- 1 libvirt-qemu kvm 25165824 Jul 14 10:49 /opt/stack/data/nova/instances/_base/088ab544280572f166011b15bda807b0589b9f5a ----------------------Exit code 0------------------ -----------------<2015-07-14 19:46:58>---------------- With user 1000 and group 115: /usr/bin/qemu-img info /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk.config ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 27000 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.6 0.2 2179400 20584 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk.config prior to operation: -rw-r--r-- 1 ubuntu libvirtd 428032 Jul 14 19:46 /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk.config ------Operation: ----OutStream: image: /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk.config file format: raw virtual size: 418K (428032 bytes) disk size: 420K ----ErrStream: ----------File path after operation: -rw-r--r-- 1 ubuntu libvirtd 428032 Jul 14 19:46 /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk.config ----------------------Exit code 0------------------ -----------------<2015-07-14 19:47:02>---------------- With user 0 and group 0: /usr/bin/qemu-img info /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 26928 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.4 0.2 2179400 20584 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b prior to operation: -rw-rw-rw- 1 ubuntu ubuntu 1074135040 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ------Operation: ----OutStream: image: /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b file format: qcow2 virtual size: 1.0G (1073741824 bytes) disk size: 1.0G cluster_size: 65536 Format specific information: compat: 1.1 lazy refcounts: false ----ErrStream: ----------File path after operation: -rw-rw-rw- 1 ubuntu ubuntu 1074135040 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ----------------------Exit code 0------------------ -----------------<2015-07-14 19:47:06>---------------- With user 1000 and group 1000: /usr/bin/qemu-img create -f qcow2 -o backing_file=/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 26612 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.3 0.2 2179400 20684 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b prior to operation: -rw-rw-rw- 1 ubuntu ubuntu 1074135040 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ------Operation: ----OutStream: Formatting '/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9', fmt=qcow2 size=1073741824 backing_file='/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b' encryption=off cluster_size=65536 lazy_refcounts=off ----ErrStream: ----------File path after operation: -rw-rw-rw- 1 ubuntu ubuntu 1074135040 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ----------------------Exit code 0------------------ -----------------<2015-07-14 19:47:07>---------------- With user 0 and group 0: /usr/bin/qemu-img info /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 26792 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.2 0.2 2179400 20684 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b prior to operation: -rw-rw-rw- 1 libvirt-qemu kvm 1074135040 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ------Operation: ----OutStream: image: /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b file format: qcow2 virtual size: 1.0G (1073741824 bytes) disk size: 1.0G cluster_size: 65536 Format specific information: compat: 1.1 lazy refcounts: false ----ErrStream: ----------File path after operation: -rw-rw-rw- 1 libvirt-qemu kvm 1074135040 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ----------------------Exit code 0------------------ -----------------<2015-07-14 19:47:07>---------------- With user 1000 and group 1000: /usr/bin/qemu-img rebase -u -b volume-e91c886a-8edc-416e-866c-63b2280add2b -F qcow2 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 26616 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.2 0.2 2179400 20684 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 prior to operation: -rw-r--r-- 1 ubuntu ubuntu 197120 Jul 14 19:46 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ------Operation: ----OutStream: ----ErrStream: ----------File path after operation: -rw-r--r-- 1 ubuntu ubuntu 197120 Jul 14 19:46 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ----------------------Exit code 0------------------ -----------------<2015-07-14 19:47:10>---------------- With user 0 and group 0: /usr/bin/qemu-img info /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 26920 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.1 0.2 2179400 20912 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 prior to operation: -rw-rw---- 1 ubuntu ubuntu 197120 Jul 14 19:46 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ------Operation: ----OutStream: image: /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 file format: qcow2 virtual size: 1.0G (1073741824 bytes) disk size: 193K cluster_size: 65536 backing file: volume-e91c886a-8edc-416e-866c-63b2280add2b (actual path: /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b) backing file format: qcow2 Format specific information: compat: 1.1 lazy refcounts: false ----ErrStream: ----------File path after operation: -rw-rw---- 1 ubuntu ubuntu 197120 Jul 14 19:46 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ----------------------Exit code 0------------------ -----------------<2015-07-14 19:47:12>---------------- With user 0 and group 0: /usr/bin/qemu-img info /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 26772 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.1 0.2 2179400 20912 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 prior to operation: -rw-rw---- 1 libvirt-qemu kvm 197120 Jul 14 19:46 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ------Operation: ----OutStream: image: /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 file format: qcow2 virtual size: 1.0G (1073741824 bytes) disk size: 193K cluster_size: 65536 backing file: volume-e91c886a-8edc-416e-866c-63b2280add2b (actual path: /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b) backing file format: qcow2 Format specific information: compat: 1.1 lazy refcounts: false ----ErrStream: ----------File path after operation: -rw-rw---- 1 libvirt-qemu kvm 197120 Jul 14 19:46 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ----------------------Exit code 0------------------ -----------------<2015-07-14 19:47:12>---------------- With user 0 and group 0: /usr/bin/qemu-img info /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ---------Active Quobyte clients: root 4832 0.0 0.0 8860 648 pts/18 S+ 19:47 0:00 \_ grep mount.quobyte ubuntu 25917 0.0 0.3 2187720 27064 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.0 0.2 2179400 20912 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b prior to operation: -rw-rw-rw- 1 libvirt-qemu kvm 1074135040 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ------Operation: ----OutStream: image: /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b file format: qcow2 virtual size: 1.0G (1073741824 bytes) disk size: 1.0G cluster_size: 65536 Format specific information: compat: 1.1 lazy refcounts: false ----ErrStream: ----------File path after operation: -rw-rw-rw- 1 libvirt-qemu kvm 1074135040 Jul 14 19:45 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b ----------------------Exit code 0------------------ -----------------<2015-07-14 19:47:13>---------------- With user 1000 and group 115: /usr/bin/qemu-img info /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk ---------Active Quobyte clients: ubuntu 4844 0.0 0.0 8860 648 pts/15 S+ 19:47 0:00 | \_ grep mount.quobyte ubuntu 25917 0.0 0.3 2187720 27000 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.0 0.2 2179400 20912 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk prior to operation: -rw-r--r-- 1 libvirt-qemu kvm 197120 Jul 14 19:46 /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk ------Operation: ----OutStream: image: /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk file format: qcow2 virtual size: 24M (25165824 bytes) disk size: 196K cluster_size: 65536 backing file: /opt/stack/data/nova/instances/_base/088ab544280572f166011b15bda807b0589b9f5a Format specific information: compat: 1.1 lazy refcounts: false ----ErrStream: ----------File path after operation: -rw-r--r-- 1 libvirt-qemu kvm 197120 Jul 14 19:46 /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk ----------------------Exit code 0------------------ -----------------<2015-07-14 19:47:13>---------------- With user 1000 and group 115: /usr/bin/qemu-img info /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk ---------Active Quobyte clients: ubuntu 4856 0.0 0.0 8860 644 pts/15 S+ 19:47 0:00 | \_ grep mount.quobyte ubuntu 25917 0.0 0.3 2187720 27000 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.0 0.2 2179400 20912 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk prior to operation: -rw-r--r-- 1 libvirt-qemu kvm 197120 Jul 14 19:46 /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk ------Operation: ----OutStream: image: /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk file format: qcow2 virtual size: 24M (25165824 bytes) disk size: 196K cluster_size: 65536 backing file: /opt/stack/data/nova/instances/_base/088ab544280572f166011b15bda807b0589b9f5a Format specific information: compat: 1.1 lazy refcounts: false ----ErrStream: ----------File path after operation: -rw-r--r-- 1 libvirt-qemu kvm 197120 Jul 14 19:46 /opt/stack/data/nova/instances/f1ef7082-af48-4339-8416-59fcdc972e3d/disk ----------------------Exit code 0------------------ -----------------<2015-07-14 19:47:13>---------------- With user 1000 and group 115: /usr/bin/qemu-img info /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 27000 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 5.0 0.2 2179400 20912 ? Ssl 19:45 0:06 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 prior to operation: -rw-rw---- 1 libvirt-qemu kvm 197120 Jul 14 19:46 /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ------Operation: ----OutStream: ----ErrStream: qemu-img.ORIGINAL: Could not open '/opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9': Could not open '/opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9': Permission denied ----------File path after operation: -rw-rw---- 1 libvirt-qemu kvm 197120 Jul 14 19:46 /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ----------------------Exit code 1------------------ -----------------<2015-07-14 19:47:30>---------------- With user 0 and group 0: /usr/bin/qemu-img info /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ---------Active Quobyte clients: root 4959 0.0 0.0 8860 648 pts/18 S+ 19:47 0:00 \_ grep mount.quobyte ubuntu 25917 0.0 0.3 2187720 26824 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ubuntu 3986 8.7 0.2 2179400 20828 ? Ssl 19:45 0:12 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/nova/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 prior to operation: -rw-rw---- 1 libvirt-qemu kvm 197120 Jul 14 19:46 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ------Operation: ----OutStream: image: /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 file format: qcow2 virtual size: 1.0G (1073741824 bytes) disk size: 384K cluster_size: 65536 Format specific information: compat: 1.1 lazy refcounts: false ----ErrStream: ----------File path after operation: -rw-rw---- 1 libvirt-qemu kvm 197120 Jul 14 19:46 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ----------------------Exit code 0------------------ -----------------<2015-07-14 19:47:33>---------------- With user 1000 and group 1000: /usr/bin/qemu-img create -f qcow2 -o backing_file=/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.f7a5358b-f787-4996-a252-9120024e18b2 ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 26764 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 prior to operation: -rw-rw---- 1 libvirt-qemu kvm 393216 Jul 14 19:46 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ------Operation: ----OutStream: ----ErrStream: qemu-img.ORIGINAL: /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.f7a5358b-f787-4996-a252-9120024e18b2: Could not open '/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9': Could not open '/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9': Permission denied: Permission denied ----------File path after operation: -rw-rw---- 1 libvirt-qemu kvm 393216 Jul 14 19:46 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ----------------------Exit code 1------------------ -----------------<2015-07-14 19:47:36>---------------- With user 1000 and group 1000: /usr/bin/qemu-img create -f qcow2 -o backing_file=/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.1a77651c-91f6-4ae9-a001-433cffe19f33 ---------Active Quobyte clients: ubuntu 25917 0.0 0.3 2187720 26680 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 prior to operation: -rw-rw---- 1 libvirt-qemu kvm 393216 Jul 14 19:46 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ------Operation: ----OutStream: ----ErrStream: qemu-img.ORIGINAL: /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.1a77651c-91f6-4ae9-a001-433cffe19f33: Could not open '/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9': Could not open '/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9': Permission denied: Permission denied ----------File path after operation: -rw-rw---- 1 libvirt-qemu kvm 393216 Jul 14 19:46 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ----------------------Exit code 1------------------ -----------------<2015-07-14 19:47:39>---------------- With user 1000 and group 1000: /usr/bin/qemu-img create -f qcow2 -o backing_file=/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.569d9805-d18c-44c0-b958-d6aabc6eaa5d ---------Active Quobyte clients: ubuntu 5031 0.0 0.0 8860 644 pts/18 S+ 19:47 0:00 \_ grep mount.quobyte ubuntu 25917 0.0 0.3 2187720 26596 ? Ssl 12:04 0:07 mount.quobyte 176.9.127.22:7861/quobyteci_test_volume /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07 ---------File path for /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 prior to operation: -rw-rw---- 1 libvirt-qemu kvm 393216 Jul 14 19:46 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ------Operation: ----OutStream: ----ErrStream: qemu-img.ORIGINAL: /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.569d9805-d18c-44c0-b958-d6aabc6eaa5d: Could not open '/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9': Could not open '/opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9': Permission denied: Permission denied ----------File path after operation: -rw-rw---- 1 libvirt-qemu kvm 393216 Jul 14 19:46 /opt/stack/data/cinder/mnt/38effaab97f9ee27ecb78121f511fa07/volume-e91c886a-8edc-416e-866c-63b2280add2b.ab18b6f9-d695-48e8-a5b7-4b1013486da9 ----------------------Exit code 1------------------