Ansible Role linuxfabrik.lfops.kdump¶

kdump is the Linux kernel crash-dump mechanism: when the running kernel panics, a pre-loaded "capture kernel" boots and writes a vmcore file to disk for post-mortem analysis. The capture kernel needs RAM permanently reserved at boot via the crashkernel= cmdline option, which is wasted on most production servers. This role stops and disables the kdump.service so the daemon no longer runs; the crashkernel= reservation itself is not touched (use the kernel_settings role for that).

Available since LFOps 2.0.0.

Tags¶

kdump

Stops and disables the kdump service.
Triggers: none.

Optional Role Variables¶

kdump__service_enabled

Enables or disables the kdump service, analogous to systemctl enable/disable.
Type: Bool.
Default: false

kdump__service_state

Changes the state of the kdump service, analogous to systemctl start/stop/restart/reload. Possible options:
- started
- stopped
- restarted
- reloaded
Type: String.
Default: 'stopped'

Example:

# optional
kdump__service_enabled: false
kdump__service_state: 'stopped'

License¶

The Unlicense

Author Information¶

Linuxfabrik GmbH, Zurich