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EMCP_MOND in AIX 6.1

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Operating Systems AIX EMCP_MOND in AIX 6.1
# 1  
Old 10-27-2013
EMCP_MOND in AIX 6.1
EMCP_MOND is utilizing high CPU in one of the AIX server.The EMCP configuration file is same as like the other servers. But only in this server its is utilizing almost 60% of CPU. Any idea ?
# 2  
Old 10-27-2013
Quote:
Originally Posted by gowthamakanthan
Any idea ?
Several. And because i know nothing about your system or your setup they range from obvious to outlandish (and probably outright silly). You will have to give more input before you can expect refined output.

Are you using physical adapters in this machine or vdevs from a VIOS or NPIV?

Are you using a storage virtualization engine (a Vplex for instance)?

What are the versions of your OS and the powerpath software you use?

I hope this helps.

bakunin
This User Gave Thanks to bakunin For This Post:
gowthamakanthan
# 3  
Old 10-28-2013
Hi,

we saw the same problem in our environment. We stopped the process and removed it from the inittab (entry: rcemcp_mond). We found this same problem on a few websites (don't know which one anymore) where above "solution" was mentioned. This process is for monitoring purposes, and we use different kind of monitoring for EMC storage.

Regards,

Vincent
Last edited by aixvinnie; 10-28-2013 at 05:48 AM..
This User Gave Thanks to aixvinnie For This Post:
gowthamakanthan
# 4  
Old 10-30-2013
Has been generated emcgrab and provided the datas to the SAN team and waiting for their input . By the way this is AIX 6.1 box and we having EMC symmetrix.

Thanks for your input guys.
# 5  
Old 10-30-2013
But still, the basic question is: 60% of what? entitlement?

The real question is how much physical processor is it using (1.0, or 0.05). AIX will say 60% (e.g., user% plus sys%) for both - but it would mean 0.6 CPU, or 0.03 CPU, physically.

Which processor - SMT2/SMT4 - etc., etc..
This User Gave Thanks to MichaelFelt For This Post:
gowthamakanthan
# 6  
Old 10-31-2013
Hope this outputs will give required details. Kindly let me know if you need any more.


Code:
opas_nmon--0=reset-peaks------Host=cbrep1---------Refresh=2 secs---13:01.25--------------------------------------------------+
¦ Top-Processes-(571) -----Mode=3  [1=Basic 2=CPU 3=Perf 4=Size 5=I/O 6=Cmds]---------------------------------------------------¦
¦  PID     %CPU ResSize    Char    Command                                                                                      ¦
¦          Used      KB     I/O                                                                                                 ¦
¦12452154  64.0    1236     0  /usr/sbin/emcp_mond                                                                              ¦
¦13500548  62.0  117320    15  ora_j012_uaeubs                                                                                  ¦
¦33423530   7.0   96436  3003  ora_j021_uaeubs            

Configuration information
=========================
System: AIX 6.1 Node: cbrep1 Machine: 0005D74BD400
Tprof command was:
    tprof -skex sleep 30
Trace command was:
    /usr/bin/trace -ad -M -L 2809770393 -T 500000 -j 00A,001,002,003,38F,005,006,134,210,139,5A2,5A5,465,234,5D8, -o -
Total Samples = 62981
Traced Time = 30.02s (out of a total execution time of 30.02s)
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

Process                                Freq  Total Kernel   User Shared  Other
=======                                ====  ===== ======   ==== ======  =====
wait                                     64  86.62  86.62   0.00   0.00   0.00
ora_j012_uaeubs                           1   4.72   0.06   4.66   0.00   0.00
/usr/sbin/emcp_mond                       1   4.65   4.24   0.00   0.41   0.00
ora_j021_uaeubs                           1   1.76   0.28   1.47   0.01   0.00
oracleuaeubs                              4   0.53   0.22   0.30   0.01   0.00
bpbkar                                    2   0.30   0.30   0.00   0.00   0.00

ps aux| head
USER          PID %CPU %MEM   SZ  RSS    TTY STAT    STIME  TIME COMMAND
root     12452154  1.0  0.0 1152 1236      - A      Oct 27 3586:38 /usr/sbin/emcp
root      2687062  0.3  0.0  448  448      - A      Aug 23 21931:51 wait
root      2621524  0.3  0.0  448  384      - A      Aug 23 21931:10 wait
root      1638454  0.3  0.0  448  384      - A      Aug 23 21924:00 wait
root      1572916  0.3  0.0  448  448      - A      Aug 23 21923:17 wait

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