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12.5. Storage Types
12.5.1. Storage Types
The
storage
element contains a type
element, which is an enumerated value found under the capabilities
collection.
The storage element also contains additional elements specific to each storage
type
. The next few sections examine these additional storage type
elements.
12.5.2. NFS Storage
The following table contains
nfs
specific elements in a storage
description.
Table 12.2. NFS specific elements
Element | Type | Description | Properties |
---|---|---|---|
address | string | The host name or IP address of the NFS server. | |
path | string | The path of NFS mountable directory on the server. |
12.5.3. PosixFS Storage
The following table contains
posixfs
specific elements in a storage
description.
Table 12.3. PosixFS specific elements
Element | Type | Description | Properties |
---|---|---|---|
address | string | The host name or IP address of the PosixFS server. | |
path | string | The path of PosixFS mountable directory on the server. | |
vfs_type | string | The Linux-supported file system type of the PosixFS share. | |
mount_options | string | The options for mounting the PosixFS share. |
12.5.4. iSCSI and FCP Storage
The following table contains
iscsi
and fcp
specific elements in a storage
description.
Table 12.4. iSCSI and FCP specific elements
Element | Type | Description | Properties |
---|---|---|---|
logical_unit id= | complex | The id of the logical unit. A storage domain also accepts multiple iSCSI or FCP logical units. | |
override_luns | Boolean | Defines whether to replace all logical unit settings with new settings. Set to true to override. |
The
logical_unit
contains a set of sub-elements.
Table 12.5. Logical unit elements
Element | Type | Description | Properties |
---|---|---|---|
address | string | The address of the server containing the storage device. | |
port | integer | The port number of the server. | |
target | string | The target IQN for the storage device. | |
username | string | A CHAP user name for logging into a target. | |
password | string | A CHAP password for logging into a target. | |
serial | string | The serial ID for the target. | |
vendor_id | string | The vendor name for the target. | |
product_id | string | The product code for the target. | |
lun_mapping | integer | The Logical Unit Number device mapping for the target. |
In the case of iSCSI, if a
logical_unit
description also contains details of the iSCSI target with the LUN in question, the target performs an automatic login when the storage domain is created.
12.5.5. LocalFS Storage
The
localfs
specific elements in a storage
description are:
Table 12.6. Localfs specific elements
Element | Type | Description | Properties |
---|---|---|---|
path | string | The path of local storage domain on the host. |
A
localfs
storage domain requires a data center with storage_type
set to localfs
. This data center only contains a single host cluster, and the host cluster only contains a single host.