[Ksummit-2010-discuss] checkpoint-restart: naked patch

Oren Laadan orenl at cs.columbia.edu
Sun Nov 7 13:44:20 PST 2010


[cc'ing linux containers mailing list]

On 11/06/2010 04:40 PM, Gene Cooperman wrote:

> 8.  What happens if the DMTCP coordinator ( checkpoint control process) dies?
>    [ The same thing that happens if a user process dies.  We kill the whole
>      computation, and restart.  At restart, we use a new coordinator.
>      Coordinators are stateless. ]

My experience is different:

I downloaded dmtcp and followed the quick-start guide:
(1) "dmtcp_coordinator" on one terminal
(2) "dmtcp_checkpoint bash" on another terminal

Then I:
(3) pkill -9 dmtcp_coordinator
... oops - 'bash' died.

I didn't even try to take a checkpoint :(

Oren.


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