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Salt module to manage RAID arrays with mdadm
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mdadm provides raid functions for Linux
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List the RAID devices.
CLI Example:
.. code-block:: bash
salt '*' raid.list
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Show detail for a specified RAID device
CLI Example:
.. code-block:: bash
salt '*' raid.detail '/dev/md0'
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Destroy a RAID device.
WARNING This will zero the superblock of all members of the RAID array..
CLI Example:
.. code-block:: bash
salt '*' raid.destroy /dev/md0
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Shut down all arrays that can be shut down (i.e. are not currently in use).
CLI Example:
.. code-block:: bash
salt '*' raid.stop
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Create a RAID device.
.. versionchanged:: 2014.7.0
.. warning::
Use with CAUTION, as this function can be very destructive if not used
properly!
CLI Examples:
.. code-block:: bash
salt '*' raid.create /dev/md0 level=1 chunk=256 devices="['/dev/xvdd', '/dev/xvde']" test_mode=True
.. note::
Adding ``test_mode=True`` as an argument will print out the mdadm
command that would have been run.
name
The name of the array to create.
level
The RAID level to use when creating the raid.
devices
A list of devices used to build the array.
metadata
Version of metadata to use when creating the array.
kwargs
Optional arguments to be passed to mdadm.
returns
test_mode=True:
Prints out the full command.
test_mode=False (Default):
Executes command on remote the host(s) and
Prints out the mdadm output.
.. note::
It takes time to create a RAID array. You can check the progress in
"resync_status:" field of the results from the following command:
.. code-block:: bash
salt '*' raid.detail /dev/md0
For more info, read the ``mdadm(8)`` manpage
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Save RAID configuration to config file.
Same as:
mdadm --detail --scan >> /etc/mdadm/mdadm.conf
Fixes this issue with Ubuntu
REF: http://askubuntu.com/questions/209702/why-is-my-raid-dev-md1-showing-up-as-dev-md126-is-mdadm-conf-being-ignored
CLI Example:
.. code-block:: bash
salt '*' raid.save_config
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Assemble a RAID device.
CLI Examples:
.. code-block:: bash
salt '*' raid.assemble /dev/md0 ['/dev/xvdd', '/dev/xvde']
.. note::
Adding ``test_mode=True`` as an argument will print out the mdadm
command that would have been run.
name
The name of the array to assemble.
devices
The list of devices comprising the array to assemble.
kwargs
Optional arguments to be passed to mdadm.
returns
test_mode=True:
Prints out the full command.
test_mode=False (Default):
Executes command on the host(s) and prints out the mdadm output.
For more info, read the ``mdadm`` manpage.
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Show detail for a specified RAID component device
CLI Example:
.. code-block:: bash
salt '*' raid.examine '/dev/sda1'
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Add new device to RAID array.
CLI Example:
.. code-block:: bash
salt '*' raid.add /dev/md0 /dev/sda1
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