Why the overcloud deployment fails with the following message ? Error: [Errno 18] Invalid cross-device link
Issue
- Deployment fails, the followin error can be seen in the logs;
2019-01-31 14:30:27.119 3239 ERROR nova.scheduler.utils [req-f7c88bf9-000b-4195-8096-1bc4b15213a0 d72be189dcc140fa9d7f60bff6b6284c 9d93a3660a0c4aa1a2580998d0625d91 - - -] [instance: 9f316ec6-84fe-4ab5-ba68-601a0d3acc0c] Error from last host: oposkooond1.rouen.francetelecom.fr (node 11710db9-5ca8-4d62-b935-fb016a737ea9): [u'Traceback (most recent call last):\n', u' File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1787, in _do_build_and_run_instance\n filter_properties)\n', u' File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 1985, in _build_and_run_instance\n instance_uuid=instance.uuid, /)\n', u'RescheduledException: Build of instance 9f316ec6-84fe-4ab5-ba68-601a0d3acc0c was re-scheduled: Failed to provision instance 9f316ec6-84fe-4ab5-ba68-601a0d3acc0c: ===> Failed to deploy. Error: [Errno 18] Invalid cross-device link\n'] <=======
Environment
- Director partition schema is as follows:
$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/rootvg-root_lv 9.4G 6.9G 2.5G 74% /
devtmpfs 16G 0 16G 0% /dev
tmpfs 16G 4.0K 16G 1% /dev/shm
tmpfs 16G 644K 16G 1% /run
tmpfs 16G 0 16G 0% /sys/fs/cgroup
/dev/mapper/rootvg-var_lv 19G 19G 693M 97% /var
/dev/mapper/rootvg-home_lv 953M 33M 921M 4% /home
/dev/mapper/rootvg-mongodb_lv 5.0G 3.6G 1.5G 71% /var/lib/mongodb
/dev/mapper/rootvg-tmp_lv 953M 34M 920M 4% /tmp
/dev/vda1 950M 232M 718M 25% /boot
/dev/mapper/rootvg-swift_lv 5.0G 3.4G 1.7G 68% /srv/node
/dev/mapper/rootvg-stack_lv 8.0G 6.0G 2.0G 76% /home/stack
tmpfs 3.2G 0 3.2G 0% /run/user/1000
/dev/vdb1 6.0G 33M 6.0G 1% /var/lib/ironic/master_images
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