diff options
Diffstat (limited to 'etc/glance-cache.conf')
| -rw-r--r-- | etc/glance-cache.conf | 59 |
1 files changed, 54 insertions, 5 deletions
diff --git a/etc/glance-cache.conf b/etc/glance-cache.conf index 668279ed1..6fde03916 100644 --- a/etc/glance-cache.conf +++ b/etc/glance-cache.conf @@ -1046,6 +1046,11 @@ # Related options: # * None # +# NOTE: You cannot use an encrypted volume_type associated with an NFS backend. +# An encrypted volume stored on an NFS backend will raise an exception whenever +# glance_store tries to write or access image data stored in that volume. +# Consult your Cinder administrator to determine an appropriate volume_type. +# # (string value) #cinder_volume_type = <None> @@ -1152,11 +1157,14 @@ # # Filesystem store metadata file. # -# The path to a file which contains the metadata to be returned with -# any location associated with the filesystem store. The file must -# contain a valid JSON object. The object should contain the keys -# ``id`` and ``mountpoint``. The value for both keys should be a -# string. +# The path to a file which contains the metadata to be returned with any +# location +# associated with the filesystem store. Once this option is set, it is used for +# new images created afterward only - previously existing images are not +# affected. +# +# The file must contain a valid JSON object. The object should contain the keys +# ``id`` and ``mountpoint``. The value for both keys should be a string. # # Possible values: # * A valid path to the store metadata file @@ -1211,6 +1219,27 @@ #filesystem_store_chunk_size = 65536 # +# Enable or not thin provisioning in this backend. +# +# This configuration option enable the feature of not really write null byte +# sequences on the filesystem, the holes who can appear will automatically +# be interpreted by the filesystem as null bytes, and do not really consume +# your storage. +# Enabling this feature will also speed up image upload and save network trafic +# in addition to save space in the backend, as null bytes sequences are not +# sent over the network. +# +# Possible Values: +# * True +# * False +# +# Related options: +# * None +# +# (boolean value) +#filesystem_thin_provisioning = false + +# # Path to the CA bundle file. # # This configuration option enables the operator to use a custom @@ -1378,6 +1407,26 @@ #rados_connect_timeout = 0 # +# Enable or not thin provisioning in this backend. +# +# This configuration option enable the feature of not really write null byte +# sequences on the RBD backend, the holes who can appear will automatically +# be interpreted by Ceph as null bytes, and do not really consume your storage. +# Enabling this feature will also speed up image upload and save network trafic +# in addition to save space in the backend, as null bytes sequences are not +# sent over the network. +# +# Possible Values: +# * True +# * False +# +# Related options: +# * None +# +# (boolean value) +#rbd_thin_provisioning = false + +# # The host where the S3 server is listening. # # This configuration option sets the host of the S3 or S3 compatible storage |