= 2009-10-15 =

 * [http://www.summit09.ca/ Summit'09] - OGF 27

== Torque ==

 * 撰寫 pbs script
{{{
jazz@bio037:~$ cat myscript
#!/bin/bash
### Job 名稱
#PBS -N mytest
### 輸出檔案
#PBS -e /home/jazz/mytest.err
#PBS -o /home/jazz/mytest.log
###================================================
# 顯示目錄及時間資訊
echo Working directory is $PBS_O_WORKDIR
cd $PBS_O_WORKDIR
echo Running on host `hostname`
echo Time is `date`
echo Directory is `pwd`
# 執行檔案
date
}}}
 * 丟 job
{{{
jazz@bio037:~$ qsub < myscript
30.bio037
}}}
 * 查 job 執行過程
{{{
jazz@bio037:~$ tracejob 30
/var/spool/torque/mom_logs/20091015: No matching job records located

Job: 30.bio037

10/15/2009 00:38:59  S    enqueuing into batch, state 1 hop 1
10/15/2009 00:38:59  S    Job Queued at request of jazz@bio037, owner = jazz@bio037, job name = mytest, queue =
                          batch
10/15/2009 00:38:59  S    Job Modified at request of Scheduler@bio037
10/15/2009 00:38:59  S    Exit_status=0 resources_used.cput=00:00:00 resources_used.mem=0kb
                          resources_used.vmem=0kb resources_used.walltime=00:00:00
10/15/2009 00:38:59  L    Job Run
10/15/2009 00:38:59  S    Job Run at request of Scheduler@bio037
10/15/2009 00:38:59  A    queue=batch
10/15/2009 00:38:59  A    user=jazz group=jazz jobname=mytest queue=batch ctime=1255538339 qtime=1255538339
                          etime=1255538339 start=1255538339 owner=jazz@bio037 exec_host=bio013/0
                          Resource_List.neednodes=1 Resource_List.nodect=1 Resource_List.nodes=1
10/15/2009 00:38:59  A    user=jazz group=jazz jobname=mytest queue=batch ctime=1255538339 qtime=1255538339
                          etime=1255538339 start=1255538339 owner=jazz@bio037 exec_host=bio013/0
                          Resource_List.neednodes=1 Resource_List.nodect=1 Resource_List.nodes=1 session=5366
                          end=1255538339 Exit_status=0 resources_used.cput=00:00:00 resources_used.mem=0kb
                          resources_used.vmem=0kb resources_used.walltime=00:00:00
10/15/2009 00:39:07  S    Post job file processing error
10/15/2009 00:39:07  S    dequeuing from batch, state COMPLETE
}}}
 * 每個 Job 都可以用 jobid 去查執行的 host 是哪些，在 exec_host 這個變數
{{{
                          etime=1255538339 start=1255538339 owner=jazz@bio037 exec_host=bio013/0
}}}
 * 從錯誤訊息，可以明白每台 pbs_mom 執行過的 job 都會紀錄在 /var/spool/torque/mom_logs/日期
{{{
/var/spool/torque/mom_logs/20091015
}}}