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Dear Sir,
When I try to start mpdboot using the following way I have been receiving the following error.
***************************************************
[g201002860@hpc081 ~]$ mpdboot -v -n 4 -r ssh -f mpd.hosts
sh: line 1: 26052 Alarm clock /opt/intel/impi/4.0.0.028/intel64/bin/mpdallexit.py > /dev/null
running mpdallexit on hpc081
LAUNCHED mpd on hpc081 via
mpdboot_hpc081 (recv_dict_msg 731):recv_dict_msg raised exception: errmsg=::
mpdtb:
/opt/intel/impi/4.0.0.028/intel64/bin/mpdlib.py, 731, recv_dict_msg
, 890, handle_mpd_output
, 595, mpdboot
, 973, ?
mpdboot_hpc081 (handle_mpd_output 892): failed to ping mpd on hpc081; received output={}
***************************************
Coud you please help to me to resolve this issue.
Ashraf
[g201002860@hpc081 ~]$ mpdboot -v -n 4 -r ssh -f mpd.hosts
sh: line 1: 26052 Alarm clock /opt/intel/impi/4.0.0.028/intel64/bin/mpdallexit.py > /dev/null
running mpdallexit on hpc081
LAUNCHED mpd on hpc081 via
mpdboot_hpc081 (recv_dict_msg 731):recv_dict_msg raised exception: errmsg=::
mpdtb:
/opt/intel/impi/4.0.0.028/intel64/bin/mpdlib.py, 731, recv_dict_msg
mpdboot_hpc081 (handle_mpd_output 892): failed to ping mpd on hpc081; received output={}
***************************************
Coud you please help to me to resolve this issue.
Ashraf
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3 Replies
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Hi Ashraf,
Did you set up password-less ssh? Can you run 'hostname' command on any node?
[g201002860@hpc081 ~]$ssh hpc082 hostname
This is the first requirement.
Regards!
Dmitry
Did you set up password-less ssh? Can you run 'hostname' command on any node?
[g201002860@hpc081 ~]$ssh hpc082 hostname
This is the first requirement.
Regards!
Dmitry
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Dear Dmity
Thanks for your comment
It is resolved.It was due to multiple mpdboot deamons are running.
Regards
Ashraf
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Although coming after two years, but for those, who might end up here, after searching online.
'Alarm clock' error might be displayed if a mpd process crashes badly. Then execute
mpdcleanup
This command cleans up the crashed files and allows mpd to run again. This might need to be done on each node. Instead one could also use
mpdcleanup -a
for cleaning up all the nodes at once.
regards,
Adhip
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