Just a simple test which tries to create instant from 'bad' image uploaded to glance show that disk space is lost. In my case it was ~= 800Mb image
root@shura-edge1:~# lsof -P 2>/dev/null | grep nova-com | grep /tmp nova-comp 25306 nova 10u unix 0xffff88007795c000 0t0 2128952 /tmp/tmpybLoe9/privsep.sock type=STREAM nova-comp 25306 nova 17u REG 253,1 884226169 10489 /tmp/tmpDcl9E7 (deleted) nova-comp 25306 nova 18u REG 253,1 0 26813 /tmp/tmpGX3y7K (deleted) nova-comp 25306 nova 26u REG 253,1 884226169 56992 /tmp/tmpWMDoKu (deleted) nova-comp 25306 nova 27u REG 253,1 0 57308 /tmp/tmp4eR46t (deleted) nova-comp 25306 nova 30u REG 253,1 884226169 57334 /tmp/tmpFTMcjK (deleted) nova-comp 25306 nova 31u REG 253,1 0 57394 /tmp/tmpfZOfB1 (deleted) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1771928 Title: Disk usage leak on image import To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nova-lxd/+bug/1771928/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs