Datastore configuration 4.4
Datastores can be parametrized with several parameters. In the following list there are the meaning of the different parameters for all the datastores.
- RESTRICTED_DIRS: Paths not allowed for image importing
- SAFE_DIRS: Paths allowed for image importing
- NO_DECOMPRESS: Do not decompress images downloaded
- LIMIT_TRANSFER_BW: Maximum bandwidth used to download images. By default is bytes/second but you can use k, m and g for kilo/mega/gigabytes.
- BRIDGE_LIST: List of hosts used for image actions. Used as a roundrobin list.
- POOL_NAME: Name of the Ceph pool to use
- VG_NAME: Volume group to use
- BASE_IQN: iscsi base identifier
- STAGING_DIR: Temporary directory where images are downloaded
- DS_TMP_DIR: Temporary directory where images are downloaded
- CEPH_HOST: Space-separated list of Ceph monitors.
- CEPH_SECRET: A generated UUID for a LibVirt secret.
- LIMIT_MB: Limit, in MB, of storage that OpenNebula will use for this datastore
Not all these parameters have meaning for all the datastores. Here is the matrix of parameters accepted by each one:
| Parameter | ceph | fs | iscsi | lvm | vmfs |
|---|---|---|---|---|---|
| RESTRICTED_DIRS | yes | yes | yes | yes | yes |
| SAFE_DIRS | yes | yes | yes | yes | yes |
| NO_DECOMPRESS | yes | yes | yes | yes | yes |
| LIMIT_TRANSFER_BW | yes | yes | yes | yes | yes |
| BRIDGE_LIST | - | yes | - | - | - |
| POOL_NAME | yes | - | - | - | - |
| VG_NAME | - | - | yes | yes | - |
| BASE_IQN | - | - | yes | - | - |
| STAGING_DIR | yes | - | - | - | - |
| DS_TMP_DIR | yes | - | - | - | - |
| CEPH_HOST | yes | - | - | - | - |
| CEPH_SECRET | yes | - | - | - | - |
| LIMIT_MB | yes | yes | yes | yes | yes |