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tape: improve tape changer docs

This commit is contained in:
Dietmar Maurer 2021-01-06 09:45:36 +01:00
parent c4b2b9ab41
commit a174854a0d
1 changed files with 32 additions and 4 deletions
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36
docs/tape-backup.rst
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@ -49,7 +49,7 @@ In general, LTO tapes offer the following advantages:
- Movable (storable inside vault)
- Multiple vendors (for both media and drives)
Please note that `Proxmox Backup Server`_ already stores compressed
Please note that `Proxmox Backup Server` already stores compressed
data, so we do not need/use the tape compression feature. Same applies
to encryption.
@ -160,14 +160,19 @@ Tape changers (robots) are part of a `Tape Library`_. You can skip
this step if you are using a standalone drive.
Linux is able to auto detect those devices, and you can get a list
of available devices using:
of available devices using::
# proxmox-tape changer scan
┌─────────────────────────────┬─────────┬──────────────┬────────┐
│ path │ vendor │ model │ serial │
╞═════════════════════════════╪═════════╪══════════════╪════════╡
│ /dev/tape/by-id/scsi-CC2C52 │ Quantum │ Superloader3 │ CC2C52 │
└─────────────────────────────┴─────────┴──────────────┴────────┘
In order to use that device with Proxmox, you need to create a
configuration entry:
# proxmox-tape changer create sl3 --path /dev/tape/by-id/scsi-CJ0JBE0059
# proxmox-tape changer create sl3 --path /dev/tape/by-id/scsi-CC2C52
Where ``sl3`` is an arbitrary name you can choose.
@ -175,13 +180,36 @@ Where ``sl3`` is an arbitrary name you can choose.
``/dev/tape/by-id/``. Names like ``/dev/sg0`` may point to a
different device after reboot, and that is not what you want.
You can show the final configuration with:
You can show the final configuration with::
# proxmox-tape changer list
┌──────┬─────────────────────────────┬─────────┬──────────────┬────────────┐
│ name │ path │ vendor │ model │ serial │
╞══════╪═════════════════════════════╪═════════╪══════════════╪════════════╡
│ sl3 │ /dev/tape/by-id/scsi-CC2C52 │ Quantum │ Superloader3 │ CC2C52 │
└──────┴─────────────────────────────┴─────────┴──────────────┴────────────┘
The Vendor, Model and Serial number are auto detected, but only shown
if the device is online.
To test your setup, please query the status of the changer device with::
# proxmox-tape changer status sl3
┌───────────────┬──────────┬────────────┬─────────────┐
│ entry-kind │ entry-id │ changer-id │ loaded-slot │
╞═══════════════╪══════════╪════════════╪═════════════╡
│ drive │ 0 │ vtape1 │ 1 │
├───────────────┼──────────┼────────────┼─────────────┤
│ slot │ 1 │ │ │
├───────────────┼──────────┼────────────┼─────────────┤
│ slot │ 2 │ vtape2 │ │
├───────────────┼──────────┼────────────┼─────────────┤
│ ... │ ... │ │ │
├───────────────┼──────────┼────────────┼─────────────┤
│ slot │ 16 │ │ │
└───────────────┴──────────┴────────────┴─────────────┘
Tape drives
~~~~~~~~~~~