What is "mpiformatdb"? We don't have an MPI database in our system, and I have 
no idea what that command means

As for that error - it means that the identifier we exchange between processes 
is failing to be recognized. This could mean a couple of things:

1. the OMPI version on the two ends is different - could be you aren't getting 
the right paths set on the various machines

2. the cluster is heterogeneous

You say you have "virtual nodes" running on various PC's? That would be an 
unusual setup - VM's can be problematic given the way they handle TCP 
connections, so that might be another source of the problem if my understanding 
of your setup is correct. Have you tried running this across the PCs directly - 
i.e., without any VMs?


On Apr 3, 2014, at 10:13 AM, Nisha Dhankher -M.Tech(CSE) 
<nishadhankher-coaese...@pau.edu> wrote:

> i first formatted my database with mpiformatdb command then i ran command :
> mpirun -np 64 -machinefile mf mpiblast -d all.fas -p blastn -i query.fas -o 
> output.txt
> but then it gave this error 113 from some hosts and continue to run for other 
> but with no  results even after 2 hours lapsed.....on rocks 6.0 cluster with 
> 12 virtual nodes on pc's ...2 on each using virt-manger , 1 gb ram to each
> 
> 
> On Thu, Apr 3, 2014 at 10:41 PM, Nisha Dhankher -M.Tech(CSE) 
> <nishadhankher-coaese...@pau.edu> wrote:
> i also made machine file which contain ip adresses of all compute nodes + 
> .ncbirc file for path to mpiblast and shared ,local storage path....
> Sir
> I ran the same command of mpirun on my college supercomputer 8 nodes each 
> having 24 processors but it just running....gave no result uptill 3 hours...
> 
> 
> On Thu, Apr 3, 2014 at 10:39 PM, Nisha Dhankher -M.Tech(CSE) 
> <nishadhankher-coaese...@pau.edu> wrote:
> i first formatted my database with mpiformatdb command then i ran command :
> mpirun -np 64 -machinefile mf mpiblast -d all.fas -p blastn -i query.fas -o 
> output.txt
> but then it gave this error 113 from some hosts and continue to run for other 
> but with results even after 2 hours lapsed.....on rocks 6.0 cluster with 12 
> virtual nodes on pc's ...2 on each using virt-manger , 1 gb ram to each
>  
> 
> 
> On Thu, Apr 3, 2014 at 8:37 PM, Ralph Castain <r...@open-mpi.org> wrote:
> I'm having trouble understanding your note, so perhaps I am getting this 
> wrong. Let's see if I can figure out what you said:
> 
> * your perl command fails with "no route to host" - but I don't see any host 
> in your cmd. Maybe I'm just missing something.
> 
> * you tried running a couple of "mpirun", but the mpirun command wasn't 
> recognized? Is that correct?
> 
> * you then ran mpiblast and it sounds like it successfully started the 
> processes, but then one aborted? Was there an error message beyond just the 
> -1 return status?
> 
> 
> On Apr 2, 2014, at 11:17 PM, Nisha Dhankher -M.Tech(CSE) 
> <nishadhankher-coaese...@pau.edu> wrote:
> 
>> error btl_tcp_endpint.c: 638 connection failed due to error 113
>> 
>> In openmpi: this error came when i run my mpiblast program on rocks 
>> cluster.Connect to hosts failed on ip 10.1.255.236,10.1.255.244 . And when i 
>> run following command linux_shell$ perl -e 'die$!=113' this msg comes: "No 
>> route to host at -e line 1." shell$ mpirun --mca btl ^tcp shell$ mpirun 
>> --mca btl_tcp_if_include eth1,eth2  shell$ mpirun --mca btl_tcp_if_include 
>> 10.1.255.244 was also executed but it did nt recognized these commands....nd 
>> aborted.... what should i do...? When i run my mpiblast program for the frst 
>> time then it give mpi_abort error...bailing out of signal -1 on rank 2 
>> processor...then i removed my public ethernet cable....and then give btl_tcp 
>> endpint error 113....
>> 
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> 
> 
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