salt.modules.mdadm¶

Salt module to manage RAID arrays with mdadm

salt.modules.mdadm.assemble(name, devices, test_mode=False, **kwargs)¶

Assemble a RAID device.

CLI Examples:

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.

salt.modules.mdadm.create(name, level, devices, metadata='default', test_mode=False, **kwargs)¶

Create a RAID device.

Changed in version 2014.7.0.

Warning

Use with CAUTION, as this function can be very destructive if not used properly!

CLI Examples:

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.

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:

salt '*' raid.detail /dev/md0

For more info, read the mdadm(8) manpage

salt.modules.mdadm.destroy(device)¶

Destroy a RAID device.

WARNING This will zero the superblock of all members of the RAID array..

CLI Example:

salt '*' raid.destroy /dev/md0

salt.modules.mdadm.detail(device='/dev/md0')¶

Show detail for a specified RAID device

CLI Example:

salt '*' raid.detail '/dev/md0'

salt.modules.mdadm.list_()¶

List the RAID devices.

CLI Example:

salt '*' raid.list

salt.modules.mdadm.save_config()¶

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:

salt '*' raid.save_config