n1.ovirt.local
# lsblk
sdb 8:16 0 3.5T 0 disk
└─3600508b1001c28ef5974c4bc1d1b5555 253:17 0 3.5T 0 mpath
├─gluster_vg_sdb-gluster_lv_engine 253:12 0 100G 0 lvm /gluster_bricks/engine
├─gluster_vg_sdb-gluster_thinpool_gluster_vg_sdb_tmeta 253:13 0 15G 0 lvm
│ └─gluster_vg_sdb-gluster_thinpool_gluster_vg_sdb-tpool 253:15 0 3.4T 0 lvm
│ ├─gluster_vg_sdb-gluster_thinpool_gluster_vg_sdb 253:16 0 3.4T 1 lvm
│ ├─gluster_vg_sdb-gluster_lv_vmstore 253:18 0 3T 0 lvm /gluster_bricks/vmstore
│ ├─gluster_vg_sdb-gluster_lv_isos 253:19 0 100G 0 lvm /gluster_bricks/isos
│ └─gluster_vg_sdb-gluster_lv_images 253:20 0 200G 0 lvm /gluster_bricks/images
...
# mount | grep gluster
/dev/mapper/gluster_vg_sdb-gluster_lv_engine on /gluster_bricks/engine type xfs ...
/dev/mapper/gluster_vg_sdb-gluster_lv_vmstore on /gluster_bricks/vmstore type xfs ...
/dev/mapper/gluster_vg_sdb-gluster_lv_isos on /gluster_bricks/isos type xfs ...
/dev/mapper/gluster_vg_sdb-gluster_lv_images on /gluster_bricks/images type xfs ...
n1.ovirt.local:/engine on /rhev/data-center/mnt/glusterSD/n1.ovirt.local:_engine type fuse.glusterfs ...
n1.ovirt.local:/vmstore on /rhev/data-center/mnt/glusterSD/n1.ovirt.local:_vmstore type fuse.glusterfs ...
n1.ovirt.local:/isos on /rhev/data-center/mnt/glusterSD/n1.ovirt.local:_isos type fuse.glusterfs ...
n1.ovirt.local:/images on /rhev/data-center/mnt/glusterSD/n1.ovirt.local:_images type fuse.glusterfs ...
# cd /rhev/data-center/mnt/glusterSD/n1.ovirt.local:_vmstore/926b54a8-611c-4919-ad18-bf0d818c1dfe/images/47dd801f-f765-45cd-a756-b867d8500058
# ls -alhZ
-rw-rw----. vdsm kvm system_u:object_r:fusefs_t:s0 1fb644c5-d170-4e82-ac80-b1f0dc761073
-rw-rw----. vdsm kvm system_u:object_r:fusefs_t:s0 1fb644c5-d170-4e82-ac80-b1f0dc761073.lease
-rw-r--r--. vdsm kvm system_u:object_r:fusefs_t:s0 1fb644c5-d170-4e82-ac80-b1f0dc761073.meta
# qemu-img info 1fb644c5-d170-4e82-ac80-b1f0dc761073
image: 1fb644c5-d170-4e82-ac80-b1f0dc761073
file format: qcow2
virtual size: 8.0G (8589934592 bytes)
disk size: 848M
cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: false
refcount bits: 16
corrupt: false
# cat 1fb644c5-d170-4e82-ac80-b1f0dc761073.meta
CAP=8589934592
CTIME=1651588008
DESCRIPTION=
DISKTYPE=DATA
DOMAIN=926b54a8-611c-4919-ad18-bf0d818c1dfe
FORMAT=COW
GEN=0
IMAGE=47dd801f-f765-45cd-a756-b867d8500058
LEGALITY=LEGAL
PUUID=00000000-0000-0000-0000-000000000000
TYPE=SPARSE
VOLTYPE=LEAF
EOF
engine.ovirt.local
# su postgres psql
postgres=# \c engine
engine=#
engine=# SELECT disk_id, disk_alias, disk_description FROM public.base_disks WHERE disk_id ='47dd801f-f765-45cd-a756-b867d8500058';
disk_id | disk_alias | disk_description
--------------------------------------+------------+---------------------------------------------------------
47dd801f-f765-45cd-a756-b867d8500058 | test | CentOS 7 Generic Cloud Image v2009 for x86_64 (0748fd4)
engine=# SELECT image_group_id, image_guid, size FROM public.images WHERE image_group_id = '47dd801f-f765-45cd-a756-b867d8500058';
image_group_id | image_guid | size
--------------------------------------+--------------------------------------+------------
47dd801f-f765-45cd-a756-b867d8500058 | 1fb644c5-d170-4e82-ac80-b1f0dc761073 | 8589934592
n1.ovirt.local
# cd /rhev/data-center/mnt/glusterSD/n1.ovirt.local:_vmstore/926b54a8-611c-4919-ad18-bf0d818c1dfe/images/47dd801f-f765-45cd-a756-b867d8500058
# scp old-vmhost:/path/to/img/vmdisk.qcow2 .
# chown vdsm:kvm *
# qemu-img info vmdisk.qcow2
file format: qcow2
virtual size: 10G (10737418240 bytes)
# vmdisk.qcow2 1fb644c5-d170-4e82-ac80-b1f0dc761073
# vi 1fb644c5-d170-4e82-ac80-b1f0dc761073.meta
## change CAP=10737418240
engine.ovirt.local
# su postgres psql
postgres=# \c engine
engine=#
UPDATE public.base_disks
SET disk_alias = '068_doku.qcow2',
disk_description = ''
WHERE disk_id ='47dd801f-f765-45cd-a756-b867d8500058';
UPDATE public.images
SET size = 10737418240
WHERE image_group_id = '47dd801f-f765-45cd-a756-b867d8500058';