[mvapich-discuss] Problems with migration in mvapich2-1.8rc1

[Raghunath]

Hi,

Thanks for posting this to the list.
It looks like you have configured MVAPICH2 with the QLogic PSM-CH3
interface.
Currently, the process Migration support in MVAPICH2 is available only with
the
OFA-IB-CH3 interface (--with-device=ch3:mrail --with-rdma=gen2)
for Mellanox IB adapters, which is also the default one.

Do let us know if you have additional questions on this.

Thanks,
--
Raghu


2012/4/2 Iván Cores González <ivan.coresg at udc.es>

> Hello,
> I am testing the new mvapich2-1.8rc1 version in a small cluster with
> infiniband and I have problems trying the migration features.
>
> I install FTB, BLCR and MVAPICH without problems. The configuration of
> mvapich is:
>
> *./configure --prefix=$HOME/mvapich/mvapich2-1.8rc1/build
> --with-device=ch3:psm --enable-shared --enable-ckpt
> --with-blcr=$HOME/blcr-0.8.4/build --enable-ckpt-migration
> --enable-checkpointing --with-hydra-ckpointlib=blcr
> --with-ftb=$HOME/ftb/ftb-0.6.2/build --disable-ckpt-aggregation*
>
> Once I have executed the ftb daemos (ftb_database_server in the front-end
> and the ftb_agent in the computing nodes) and loaded the BLCR modules I
> only run the application with:
>
> mpirun_rsh -np 2 -hostfile mpd.hosts -sparehosts mpd.hostsMIG ./a.out
>
> where mpd.hosts is:
> compute-0-10
> compute-0-10
>
> and mpd.hostsMIG is:
> compute-0-9
> compute-0-9
>
> However, when I execute
> mv2_trigger compute-0-10
>
> or the other options to migrate (pkill -SIGUSR2 mpispawn) nothing
> happens. Only the FTB information is showed but the job continue working in
> the same node.
> I can not execute the "prelink --undo --all" command because I have not
> root privileges. Could this be the cause of the problem?
> Am I doing something wrong?
>
> Thanks,
> Iván Cores.
>
>
>
>
>
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>
>
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