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128 lines
3.1 KiB
Plaintext
128 lines
3.1 KiB
Plaintext
[[storage_cifs]]
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CIFS Backend
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-----------
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ifdef::wiki[]
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:pve-toplevel:
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:title: Storage: CIFS
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endif::wiki[]
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Storage pool type: `cifs`
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The CIFS backend extends the directory backend, so that no manual
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setup of a CIFS mount is needed. Such a storage can be added directly
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through the {pve} API or the web UI, with all our backend advantages,
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like server heartbeat check or comfortable selection of exported
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shares.
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Configuration
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~~~~~~~~~~~~~
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The backend supports all common storage properties, except the shared
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flag, which is always set. Additionally, the following CIFS special
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properties are available:
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server::
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Server IP or DNS name. Required.
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TIP: To avoid DNS lookup delays, it is usually preferable to use an IP
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address instead of a DNS name - unless you have a very reliable DNS
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server, or list the server in the local `/etc/hosts` file.
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share::
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CIFS share to use (get available ones with `pvesm scan cifs <address>` or the
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web UI). Required.
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username::
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The username for the CIFS storage. Optional, defaults to `guest'.
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password::
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The user password. Optional.
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It will be saved in a file only readable by root
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(`/etc/pve/priv/storage/<STORAGE-ID>.pw`).
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domain::
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Sets the user domain (workgroup) for this storage. Optional.
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smbversion::
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SMB protocol Version. Optional, default is `3`.
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SMB1 is not supported due to security issues.
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path::
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The local mount point. Optional, defaults to `/mnt/pve/<STORAGE_ID>/`.
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content-dirs::
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Overrides for the default directory layout. Optional.
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options::
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Additional CIFS mount options (see `man mount.cifs`). Some options are set
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automatically and shouldn't be set here. {pve} will always set the option
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`soft`. Depending on the configuration, these options are set automatically:
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`username`, `credentials`, `guest`, `domain`, `vers`.
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subdir::
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The subdirectory of the share to mount. Optional, defaults to the root directory
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of the share.
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.Configuration Example (`/etc/pve/storage.cfg`)
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----
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cifs: backup
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path /mnt/pve/backup
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server 10.0.0.11
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share VMData
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content backup
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options noserverino,echo_interval=30
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username anna
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smbversion 3
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subdir /data
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----
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Storage Features
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~~~~~~~~~~~~~~~~
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CIFS does not support snapshots on a storage level. But you may use
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`qcow2` backing files if you still want to have snapshots and cloning
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features available.
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.Storage features for backend `cifs`
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[width="100%",cols="m,m,3*d",options="header"]
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|==============================================================================
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|Content types |Image formats |Shared |Snapshots |Clones
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|images rootdir vztmpl iso backup snippets |raw qcow2 vmdk |yes |qcow2 |qcow2
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|==============================================================================
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Examples
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~~~~~~~~
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You can get a list of exported CIFS shares with:
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----
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# pvesm scan cifs <server> [--username <username>] [--password]
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----
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Then you could add this share as a storage to the whole {pve} cluster
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with:
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----
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# pvesm add cifs <storagename> --server <server> --share <share> [--username <username>] [--password]
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----
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ifdef::wiki[]
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See Also
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~~~~~~~~
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* link:/wiki/Storage[Storage]
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endif::wiki[]
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