Is there actually anything in those checkpoints? With a checkpoint happening every 4 seconds you may be overdoing it. Wesley On Jun 5, 2013, at 2:14 PM, Rajeev Thakur <[email protected]> wrote:

I don't know, but see if anything on this page helps: http://wiki.mpich.org/mpich/index.php/Checkpointing

On Jun 5, 2013, at 4:09 PM, john donald wrote:

...

---------- Forwarded message ---------- From: john donald <[email protected]> Date: 2013/6/3 Subject: ckpoint-num error To: [email protected]

i used mpiexec with checkpoint and created two checkpoint files:

mpiexec -ckpointlib blcr -ckpoint-prefix /home/john/ckpts/app.ckpoint -ckpoint-interval 4 -n 4 /home/john/app/md

context-num0-0-0 context-num1-0-0

i am trying to make a restart mpiexec -ckpointlib blcr -ckpoint-prefix /home/john/ckpts/app.ckpoint -n 4 -ckpoint-num 1

but nothing happened it just hangs i also tried: mpiexec -ckpointlib blcr -ckpoint-prefix /home/john/ckpts/app.ckpoint -n 4 -ckpoint-num 0-0-0 also hangs

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