In this case, instead of running the restart script, you can restart from
the checkpoint images directly, i.e.,

dmtcp_restart -h $coordinator_addr -p $coordinator_port -j ckpt_XX.dmtcp

You will need to run this command n times, where n is the number of
checkpoint images (number of processes).


Best,
Jiajun

On Thu, Nov 19, 2015 at 10:35 AM, Marina Moran <esperandoelmila...@gmail.com
> wrote:

> Hi Jiajun,
>
> You are right, it seems to be the reason, the doesnt connect..
>
> Each node write the checkpoint to a directory that is mount with NFS
> in other two machines. I can see the files in both nodes. I set
> DMTCP_CHECKPOINT_DIR to that folder. Anyway, I try to wirte the
> locally, but it is the same problem.
>
> I copy the output of 'ls' command on the checkpoint folder on both nodes:
> node m110a (the one that connects, where the coordinator runs):
>
> hpcpro@m110a:~/nfs$ ls -l
> total 26536
> -rw------- 1 hpcpro hpcpro 5122030 Nov 19 12:31
> ckpt_app_heat_512_1310c955e7a-71000-564e0755.dmtcp
> drwxr-xr-x 2 hpcpro hpcpro    4096 Nov 19 12:31
> ckpt_app_heat_512_1310c955e7a-71000-564e0755_files
> -rw------- 1 hpcpro hpcpro 5122218 Nov 19 12:31
> ckpt_app_heat_512_1310c955e7a-74000-564e0755.dmtcp
> drwxr-xr-x 2 hpcpro hpcpro    4096 Nov 19 12:31
> ckpt_app_heat_512_1310c955e7a-74000-564e0755_files
> -rw------- 1 hpcpro hpcpro 5119200 Nov 19 12:31
> ckpt_app_heat_512_1310c955e7a-76000-564e0755.dmtcp
> drwxr-xr-x 2 hpcpro hpcpro    4096 Nov 19 12:31
> ckpt_app_heat_512_1310c955e7a-76000-564e0755_files
> -rw------- 1 hpcpro hpcpro 5119579 Nov 19 12:31
> ckpt_app_heat_512_1310c955e7a-78000-564e0755.dmtcp
> drwxr-xr-x 2 hpcpro hpcpro    4096 Nov 19 12:31
> ckpt_app_heat_512_1310c955e7a-78000-564e0755_files
> -rw------- 1 hpcpro hpcpro 2736819 Nov 19 12:31
> ckpt_dmtcp_ssh_1310c955e7a-67000-564e0754.dmtcp
> -rw------- 1 hpcpro hpcpro 3899774 Nov 19 12:31
> ckpt_orterun_1310c955e7a-66000-564e0754.dmtcp
> drwxr-xr-x 2 hpcpro hpcpro    4096 Nov 19 12:31
> ckpt_orterun_1310c955e7a-66000-564e0754_files
> -rwxr--r-- 1 hpcpro hpcpro   12091 Nov 19 12:31
> dmtcp_restart_script_1310c955e7a-66000-564e0754.sh
> lrwxrwxrwx 1 hpcpro hpcpro      67 Nov 19 12:31
> dmtcp_restart_script.sh ->
> /home/hpcpro/nfs/dmtcp_restart_script_1310c955e7a-66000-564e0754.sh
> -rw-r--r-- 1 hpcpro hpcpro     254 Nov 19 12:31 jtimings.csv
>
> node m111a (the one doesnt connect)
> hpcpro@m111a:~/nfs$ ls -l
> total 26348
> -rw------- 1 hpcpro hpcpro 5117116 Nov 19 12:31
> ckpt_app_heat_512_1310c955fc5-72000-564e0755.dmtcp
> drwxr-xr-x 2 hpcpro hpcpro    4096 Nov 19 12:31
> ckpt_app_heat_512_1310c955fc5-72000-564e0755_files
> -rw------- 1 hpcpro hpcpro 5116818 Nov 19 12:31
> ckpt_app_heat_512_1310c955fc5-73000-564e0755.dmtcp
> drwxr-xr-x 2 hpcpro hpcpro    4096 Nov 19 12:31
> ckpt_app_heat_512_1310c955fc5-73000-564e0755_files
> -rw------- 1 hpcpro hpcpro 5116096 Nov 19 12:31
> ckpt_app_heat_512_1310c955fc5-75000-564e0755.dmtcp
> drwxr-xr-x 2 hpcpro hpcpro    4096 Nov 19 12:31
> ckpt_app_heat_512_1310c955fc5-75000-564e0755_files
> -rw------- 1 hpcpro hpcpro 5115075 Nov 19 12:31
> ckpt_app_heat_512_1310c955fc5-77000-564e0755.dmtcp
> drwxr-xr-x 2 hpcpro hpcpro    4096 Nov 19 12:31
> ckpt_app_heat_512_1310c955fc5-77000-564e0755_files
> -rw------- 1 hpcpro hpcpro 2736548 Nov 19 12:31
> ckpt_dmtcp_sshd_1310c955fc5-69000-564e0755.dmtcp
> -rw------- 1 hpcpro hpcpro 3742556 Nov 19 12:31
> ckpt_orted_1310c955fc5-70000-564e0755.dmtcp
> drwxr-xr-x 2 hpcpro hpcpro    4096 Nov 19 12:31
> ckpt_orted_1310c955fc5-70000-564e0755_files
>
>
> I cant figure out what can it be... Thanks for your help,
> regards
> Marina
>
> On 11/18/15, Jiajun Cao <jia...@ccs.neu.edu> wrote:
> > Hi Marina,
> >
> > Where are checkpoint images stored? Are they stored in a shared file
> > system, or to local storage? From what I can tell from the log, there're
> 12
> > processes before checkpoint, and hence 12 checkpoint images. On restart,
> > only 6 of them connect to the coordinator. It may be the fact that the
> > restart script couldn't find the rest images. Could you verify that?
> >
> > Best,
> > Jiajun
> >
> > On Wed, Nov 18, 2015 at 6:03 PM, Marina Moran
> > <esperandoelmila...@gmail.com>
> > wrote:
> >
> >> Hi All! I'm back using DMTCP!
> >>
> >> I'm having a problem when restarting a checkpoint.
> >>
> >> I have two nodes (PCs) in an ethernet lan, with:
> >> -Debian 8 Jessi,
> >> -DMTCP 2.4.2 (configure with -enable-timing)
> >> -OpenMPI 1.10.1.
> >>
> >> I do:
> >> $ dmtcp_launch mpirun -np 8 -hostfile hosts app_heat_512
> >>
> >> On the console where the coordinator is running, I press 'c' to
> >> checkpoint. After that, I killed the application or it finished, and
> >> then, from the same directory where the checkpoints are stored I run
> >> the restarting script, with the following output:
> >>
> >> $ ./dmtcp_restart_script.sh
> >> [75000] WARNING at socketconnection.cpp:540 in postRestart;
> >> REASON='JWARNING(_real_bind(_fds[0], (sockaddr*)
> >> &_bindAddr,_bindAddrlen) == 0) failed'
> >>      (strerror((*__errno_location ()))) = Address already in use
> >>      id() = 1310c955e7a-75000-564d1a58(99506)
> >> Message: Bind failed.
> >> [77000] WARNING at socketconnection.cpp:540 in postRestart;
> >> REASON='JWARNING(_real_bind(_fds[0], (sockaddr*)
> >> &_bindAddr,_bindAddrlen) == 0) failed'
> >>      (strerror((*__errno_location ()))) = Address already in use
> >>      id() = 1310c955e7a-77000-564d1a58(99517)
> >> Message: Bind failed.
> >>
> >> On the coordinator console it outputs this:
> >>
> >> [762] NOTE at dmtcp_coordinator.cpp:1137 in
> >> validateRestartingWorkerProcess; REASON='FIRST dmtcp_restart
> >> connection.  Set numPeers. Generate timestamp'
> >>      numPeers = 12
> >>      curTimeStamp = 23166315138
> >>      compId = 1310c955e7a-66000-564d1a57
> >> [762] WARNING at jtimer.h:81 in start; REASON='JWARNING(!_isStarted)
> >> failed'
> >>      _name = restart
> >> [762] NOTE at dmtcp_coordinator.cpp:1079 in onConnect; REASON='worker
> >> connected'
> >>      hello_remote.from = 1310c955e7a-66000-564d1a57
> >> [762] NOTE at dmtcp_coordinator.cpp:1079 in onConnect; REASON='worker
> >> connected'
> >>      hello_remote.from = 1310c955e7a-67000-564d1a57
> >> [762] NOTE at dmtcp_coordinator.cpp:1079 in onConnect; REASON='worker
> >> connected'
> >>      hello_remote.from = 1310c955e7a-71000-564d1a58
> >> [762] NOTE at dmtcp_coordinator.cpp:1079 in onConnect; REASON='worker
> >> connected'
> >>      hello_remote.from = 1310c955e7a-73000-564d1a58
> >> [762] NOTE at dmtcp_coordinator.cpp:1079 in onConnect; REASON='worker
> >> connected'
> >>      hello_remote.from = 1310c955e7a-77000-564d1a58
> >> [762] NOTE at dmtcp_coordinator.cpp:1079 in onConnect; REASON='worker
> >> connected'
> >>      hello_remote.from = 1310c955e7a-75000-564d1a58
> >>
> >>
> >> And when I pressed L to show connected nodes:
> >> l
> >> Client List:
> >> #, PROG[virtPID:realPID]@HOST, DMTCP-UNIQUEPID, STATE
> >> 64, orterun[66000:1530]@m110a, 1310c955e7a-66000-564d1a57, CHECKPOINTED
> >> 65, dmtcp_ssh[67000:1618]@m110a, 1310c955e7a-67000-564d1a57,
> CHECKPOINTED
> >> 66, app_heat_512[71000:1619]@m110a, 1310c955e7a-71000-564d1a58,
> >> CHECKPOINTED
> >> 67, app_heat_512[73000:1620]@m110a, 1310c955e7a-73000-564d1a58,
> >> CHECKPOINTED
> >> 68, app_heat_512[77000:1622]@m110a, 1310c955e7a-77000-564d1a58,
> >> CHECKPOINTED
> >> 69, app_heat_512[75000:1621]@m110a, 1310c955e7a-75000-564d1a58,
> >> CHECKPOINTED
> >>
> >>
> >> It seems ti hangs... It never ends.
> >>
> >> Hope this is something I forgot...
> >>
> >> Thanks all in advance,
> >> Regards
> >> Marina
> >>
> >>
> >>
> ------------------------------------------------------------------------------
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> >> Dmtcp-forum@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/dmtcp-forum
> >>
> >
>
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