openstack-manuals/doc/config-reference/source/tables/cinder-drbd.rst

Description of DRBD configuration options

Configuration option = Default value	Description
[DEFAULT]
drbdmanage_devs_on_controller = True	(Boolean) If set, the c-vol node will receive a useable /dev/drbdX device, even if the actual data is stored on other nodes only. This is useful for debugging, maintenance, and to be able to do the iSCSI export from the c-vol node.
drbdmanage_disk_options = {"c-min-rate": "4M"}	(String) Disk options to set on new resources. See http://www.drbd.org/en/doc/users-guide-90/re-drbdconf for all the details.
drbdmanage_net_options = {"connect-int": "4", "allow-two-primaries": "yes", "ko-count": "30", "max-buffers": "20000", "ping-timeout": "100"}	(String) Net options to set on new resources. See http://www.drbd.org/en/doc/users-guide-90/re-drbdconf for all the details.
drbdmanage_redundancy = 1	(Integer) Number of nodes that should replicate the data.
drbdmanage_resize_plugin = drbdmanage.plugins.plugins.wait_for.WaitForVolumeSize	(String) Volume resize completion wait plugin.
drbdmanage_resize_policy = {"timeout": "60"}	(String) Volume resize completion wait policy.
drbdmanage_resource_options = {"auto-promote-timeout": "300"}	(String) Resource options to set on new resources. See http://www.drbd.org/en/doc/users-guide-90/re-drbdconf for all the details.
drbdmanage_resource_plugin = drbdmanage.plugins.plugins.wait_for.WaitForResource	(String) Resource deployment completion wait plugin.
drbdmanage_resource_policy = {"ratio": "0.51", "timeout": "60"}	(String) Resource deployment completion wait policy.
drbdmanage_snapshot_plugin = drbdmanage.plugins.plugins.wait_for.WaitForSnapshot	(String) Snapshot completion wait plugin.
drbdmanage_snapshot_policy = {"count": "1", "timeout": "60"}	(String) Snapshot completion wait policy.