Description of configuration options for storage

Configuration option=Default value	(Type) Description
available_devices=	(ListOpt) List of all available devices
backend=sqlalchemy	(StrOpt) The backend to use for db
bindir=$pybasedir/bin	(StrOpt) Directory where cinder binaries are installed
capacity_weight_multiplier=1.0	(FloatOpt) Multiplier used for weighing volume capacity. Negative numbers mean to stack vs spread.
cinder_huawei_conf_file=/etc/cinder/cinder_huawei_conf.xml	(StrOpt) config data for cinder huawei plugin
coraid_esm_address=	(StrOpt) IP address of Coraid ESM
coraid_group=admin	(StrOpt) Name of group on Coraid ESM to which coraid_user belongs (must have admin privilege)
coraid_password=password	(StrOpt) Password to connect to Coraid ESM
coraid_repository_key=coraid_repository	(StrOpt) Volume Type key name to store ESM Repository Name
coraid_user=admin	(StrOpt) User name to connect to Coraid ESM
enabled_backends=None	(ListOpt) A list of backend names to use. These backend names should be backed by a unique [CONFIG] group with its options
glusterfs_disk_util=df	(StrOpt) Use du or df for free space calculation
glusterfs_mount_point_base=$state_path/mnt	(StrOpt) Base dir containing mount points for gluster shares
glusterfs_shares_config=/etc/cinder/glusterfs_shares	(StrOpt) File with the list of available gluster shares
glusterfs_sparsed_volumes=True	(BoolOpt) Create volumes as sparsed files which take no space.If set to False volume is created as regular file.In such case volume creation takes a lot of time.
hds_cinder_config_file=/opt/hds/hus/cinder_hus_conf.xml	(StrOpt) configuration file for HDS cinder plugin for HUS
iscsi_helper=tgtadm	(StrOpt) iscsi target user-land tool to use
iscsi_iotype=fileio	(StrOpt) Sets the behavior of the iSCSI target to either perform blockio or fileio optionally, auto can be set and Cinder will autodetect type of backing device
iscsi_ip_address=$my_ip	(StrOpt) The port that the iSCSI daemon is listening on
iscsi_num_targets=100	(IntOpt) Number of iscsi target ids per host
iscsi_port=3260	(IntOpt) The port that the iSCSI daemon is listening on
iscsi_target_prefix=iqn.2010-10.org.openstack:	(StrOpt) prefix for iscsi volumes
lvm_mirrors=0	(IntOpt) If set, create lvms with multiple mirrors. Note that this requires lvm_mirrors + 2 pvs with available space
max_age=0	(IntOpt) number of seconds between subsequent usage refreshes
max_gigabytes=10000	(IntOpt) maximum number of volume gigabytes to allow per host
max_overflow=None	(IntOpt) If set, use this value for max_overflow with sqlalchemy
max_pool_size=5	(IntOpt) Maximum number of SQL connections to keep open in a pool
max_retries=10	(IntOpt) maximum db connection retries during startup. (setting -1 implies an infinite retry count)
memcached_servers=None	(ListOpt) Memcached servers or None for in process cache.
migration_create_volume_timeout_secs=300	(IntOpt) Timeout for creating the volume to migrate to when performing volume migration (seconds)
min_pool_size=1	(IntOpt) Minimum number of SQL connections to keep open in a pool
netapp_login=None	(StrOpt) User name for the storage controller
netapp_password=None	(StrOpt) Password for the storage controller
netapp_server_hostname=None	(StrOpt) Host name for the storage controller
netapp_server_port=80	(IntOpt) Port number for the storage controller
netapp_size_multiplier=1.2	(FloatOpt) Volume size multiplier to ensure while creation
netapp_storage_family=ontap_cluster	(StrOpt) Storage family type.
netapp_storage_protocol=None	(StrOpt) Storage protocol type.
netapp_transport_type=http	(StrOpt) Transport type protocol
netapp_vfiler=None	(StrOpt) Vfiler to use for provisioning
netapp_volume_list=None	(StrOpt) Comma separated volumes to be used for provisioning
netapp_vserver=openstack	(StrOpt) Cluster vserver to use for provisioning
nexenta_blocksize=	(StrOpt) block size for volumes (blank=default,8KB)
nexenta_host=	(StrOpt) IP address of Nexenta SA
nexenta_iscsi_target_portal_port=3260	(IntOpt) Nexenta target portal port
nexenta_password=nexenta	(StrOpt) Password to connect to Nexenta SA
nexenta_rest_port=2000	(IntOpt) HTTP port to connect to Nexenta REST API server
nexenta_rest_protocol=auto	(StrOpt) Use http or https for REST connection (default auto)
nexenta_sparse=False	(BoolOpt) flag to create sparse volumes
nexenta_target_group_prefix=cinder/	(StrOpt) prefix for iSCSI target groups on SA
nexenta_target_prefix=iqn.1986-03.com.sun:02:cinder-	(StrOpt) IQN prefix for iSCSI targets
nexenta_user=admin	(StrOpt) User name to connect to Nexenta SA
nexenta_volume=cinder	(StrOpt) pool on SA that will hold all volumes
nfs_mount_options=None	(StrOpt) Mount options passed to the nfs client. See section of the nfs man page for details
nfs_mount_point_base=$state_path/mnt	(StrOpt) Base dir containing mount points for nfs shares
nfs_oversub_ratio=1.0	(FloatOpt) This will compare the allocated to available space on the volume destination. If the ratio exceeds this number, the destination will no longer be valid.
nfs_shares_config=/etc/cinder/nfs_shares	(StrOpt) File with the list of available nfs shares
nfs_sparsed_volumes=True	(BoolOpt) Create volumes as sparsed files which take no space.If set to False volume is created as regular file.In such case volume creation takes a lot of time.
nfs_used_ratio=0.95	(FloatOpt) Percent of ACTUAL usage of the underlying volume before no new volumes can be allocated to the volume destination.
rbd_ceph_conf=	(StrOpt) path to the ceph configuration file to use
rbd_flatten_volume_from_snapshot=False	(BoolOpt) flatten volumes created from snapshots to remove dependency
rbd_pool=rbd	(StrOpt) the RADOS pool in which rbd volumes are stored
rbd_secret_uuid=None	(StrOpt) the libvirt uuid of the secret for the rbd_uservolumes
rbd_user=None	(StrOpt) the RADOS client name for accessing rbd volumes - only set when using cephx authentication
san_clustername=	(StrOpt) Cluster name to use for creating volumes
san_ip=	(StrOpt) IP address of SAN controller
san_is_local=False	(BoolOpt) Execute commands locally instead of over SSH; use if the volume service is running on the SAN device
san_login=admin	(StrOpt) Username for SAN controller
san_password=	(StrOpt) Password for SAN controller
san_private_key=	(StrOpt) Filename of private key to use for SSH authentication
san_ssh_port=22	(IntOpt) SSH port to use with SAN
san_thin_provision=True	(BoolOpt) Use thin provisioning for SAN volumes?
san_zfs_volume_base=rpool/	(StrOpt) The ZFS path under which to create zvols for volumes.
scality_sofs_config=None	(StrOpt) Path or URL to Scality SOFS configuration file
scality_sofs_mount_point=$state_path/scality	(StrOpt) Base dir where Scality SOFS shall be mounted
scality_sofs_volume_dir=cinder/volumes	(StrOpt) Path from Scality SOFS root to volume dir
sf_account_prefix=autodoc	(StrOpt) Create SolidFire accounts with this prefix
sf_allow_tenant_qos=False	(BoolOpt) Allow tenants to specify QOS on create
sf_emulate_512=True	(BoolOpt) Set 512 byte emulation on volume creation;
storwize_svc_connection_protocol=iSCSI	(StrOpt) Connection protocol (iSCSI/FC)
storwize_svc_flashcopy_timeout=120	(IntOpt) Maximum number of seconds to wait for FlashCopy to be prepared. Maximum value is 600 seconds (10 minutes).
storwize_svc_multihostmap_enabled=True	(BoolOpt) Allows vdisk to multi host mapping
storwize_svc_multipath_enabled=False	(BoolOpt) Connect with multipath (currently FC-only)
storwize_svc_vol_autoexpand=True	(BoolOpt) Storage system autoexpand parameter for volumes (True/False)
storwize_svc_vol_compression=False	(BoolOpt) Storage system compression option for volumes
storwize_svc_vol_easytier=True	(BoolOpt) Enable Easy Tier for volumes
storwize_svc_vol_grainsize=256	(IntOpt) Storage system grain size parameter for volumes (32/64/128/256)
storwize_svc_vol_rsize=2	(IntOpt) Storage system space-efficiency parameter for volumes (percentage)
storwize_svc_vol_warning=0	(IntOpt) Storage system threshold for volume capacity warnings (percentage)
storwize_svc_volpool_name=volpool	(StrOpt) Storage system storage pool for volumes
volume_backend_name=None	(StrOpt) The backend name for a given driver implementation
volume_clear=zero	(StrOpt) Method used to wipe old volumes (valid options are: none, zero, shred)
volume_clear_size=0	(IntOpt) Size in MiB to wipe at start of old volumes. 0 => all
volume_dd_blocksize=1M	(StrOpt) The default block size used when copying/clearing volumes
volume_driver=cinder.volume.drivers.lvm.LVMISCSIDriver	(StrOpt) Driver to use for volume creation
volume_group=cinder-volumes	(StrOpt) Name for the VG that will contain exported volumes
volume_manager=cinder.volume.manager.VolumeManager	(StrOpt) full class name for the Manager for volume
volume_name_template=volume-%s	(StrOpt) Template string to be used to generate volume names
volume_tmp_dir=None	(StrOpt) where to store temporary image files if the volume driver does not write them directly to the volume
volume_topic=cinder-volume	(StrOpt) the topic volume nodes listen on
volume_transfer_key_length=16	(IntOpt) The number of characters in the autogenerated auth key.
volume_transfer_salt_length=8	(IntOpt) The number of characters in the salt.
volume_usage_audit_period=month	(StrOpt) time period to generate volume usages for. Time period must be hour, day, month or year
volumes_dir=$state_path/volumes	(StrOpt) Volume configuration file storage directory
windows_iscsi_lun_path=C:\iSCSIVirtualDisks	(StrOpt) Path to store VHD backed volumes
xiv_proxy=xiv_openstack.nova_proxy.XIVNovaProxy	(StrOpt) Proxy driver
zadara_default_cache_policy=write-through	(StrOpt) Default cache policy for volumes
zadara_default_encryption=NO	(StrOpt) Default encryption policy for volumes
zadara_default_stripesize=64	(StrOpt) Default stripe size for volumes
zadara_default_striping_mode=simple	(StrOpt) Default striping mode for volumes
zadara_password=None	(StrOpt) Password for the VPSA
zadara_user=None	(StrOpt) User name for the VPSA
zadara_vol_name_template=OS_%s	(StrOpt) Default template for VPSA volume names
zadara_vpsa_allow_nonexistent_delete=True	(BoolOpt) Don't halt on deletion of non-existing volumes
zadara_vpsa_auto_detach_on_delete=True	(BoolOpt) Automatically detach from servers on volume delete
zadara_vpsa_ip=None	(StrOpt) Management IP of Zadara VPSA
zadara_vpsa_poolname=None	(StrOpt) Name of VPSA storage pool for volumes
zadara_vpsa_port=None	(StrOpt) Zadara VPSA port number
zadara_vpsa_use_ssl=False	(BoolOpt) Use SSL connection