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docs: add removable datastores section

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Signed-off-by: Hannes Laimer <h.laimer@proxmox.com>
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Hannes Laimer 2024-11-25 17:21:59 +01:00 committed by Thomas Lamprecht
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@ -165,6 +165,44 @@ following command creates a new datastore called ``store1`` on
# proxmox-backup-manager datastore create store1 /backup/disk1/store1
Removable Datastores
^^^^^^^^^^^^^^^^^^^^
Removable datastores have a ``backing-device`` associated with them, they can be
mounted and unmounted. Other than that they behave the same way a normal datastore
would.
They can be created on already correctly formatted partitions, which, as with normal
datastores, should be either ``ext4`` or ``xfs``. It is also possible to create them
on completely unused disks through "Administration" > "Disks / Storage" > "Directory",
using this method the disk will be partitioned and formatted automatically for the datastore.
Devices with only one datastore on them will be mounted automatically. It is possible to create a
removable datastore on one PBS and use it on multiple instances, the device just has to be added
on each instance as a removable datastore by checking "reuse datastore" on creation.
If the device already contains a datastore at the specified path it'll just be added as
a new datastore to the PBS instance and will be mounted whenever plugged in. Unmounting has
to be done through the UI by clicking "Unmount" on the summary page or using the CLI.
A single device can house multiple datastores, they only limitation is that they are not
allowed to be nested.
.. code-block:: console
# proxmox-backup-manager datastore unmount store1
both will wait for any running tasks to finish and unmount the device.
All removable datastores are mounted under /mnt/datastore/<name>, and the specified path
refers to the path on the device.
All datastores present on a device can be listed using ``proxmox-backup-debug``.
.. code-block:: console
# proxmox-backup-debug inspect device /dev/...
Managing Datastores
^^^^^^^^^^^^^^^^^^^