[Linux-HA] The suicide stonith plugin doesn't work with 2.1.3 (?)

[Robert Wipfel]

>>> Lars Marowsky-Bree <lmb at suse.de> 02/03/08 1:09 PM >>>
On 2008-02-01T15:29:55, Dejan Muhamedagic <dejanmm at fastmail.fm> wrote:

> So, as I've explained elsewhere, the suicide plugin could be made so
> robust that indeed it can be trusted - my preferred option would be for
> it to send a coded, non-replayable UDP packet just 1s before committing
> suicide (in the most reliable method available - local hardware
> watchdog and/or directly invoking the kernel), and if the node then
> stops pinging within 3s (or whatever, as long as it is as low-level as
> possible), to indeed report success to the other cluster nodes.

Lars, jfwiw, the now open source SBD code calls this a "last gasp" ;-)
it writes an "I'm trying to kill myself" token to its slot of the shared disk
based cluster membership vector, which is observable by other nodes.
Other forms of last gasp are as you suggested.

Hth,
Robert