*** This bug is a duplicate of bug 1727558 *** https://bugs.launchpad.net/bugs/1727558
This was recently fixed and backported to stable/ocata: https://github.com/openstack/nova/commit/fc10b54f25023d7e780b110928bda3a19e4c03f0 ** Tags added: libvirt ** This bug has been marked a duplicate of bug 1727558 libvirt driver ignores 'disk_cachemodes' configuration setting -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1729636 Title: Inconsistent xml for libvirt disks Status in OpenStack Compute (nova): New Bug description: With both of these settings the xml is not consistent between root disks and volumes when using RBD. hw_disk_discard = unmap disk_cachemodes = network=writeback Root disks get this: <driver name='qemu' type='raw' cache='none' discard='unmap'/> Volumes get this: <driver name='qemu' type='raw' cache='writeback'/> Both have the same type (<disk type='network' device='disk'>) but the settings are not applied consistently between volumes and root disks. nova: 15.0.7 CentOS: 7.4 libvirt: 3.2.0 Ceph: 12.2.1 To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1729636/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp