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kach1947_custom

updated

12 years ago

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April 10th, 2014 10:00

Control Station constantly pinging "echo" command (VNX and VNX2)

Hi,

For some reason, of late (maybe happening earlier, but we are just seeing it) - when we log in to our control station, the "echo" commands keeps on pinging. This is on both our VNX5700 (old) as well as VNX5800 (new).

Any thoughts of where to check and/or to stop this from happening, and if this is a serious issue?

Thanks,

kach1947

  • 1067

    0

    Posted April 10th, 2014 10:00

    Also, my bad this replication is from VNX5700 to another VNX5700.

    @Ernes

    - by doing "unalias echo", would that impact any existing setting (Replication) on either VNX?

    - and, more importantly (read: curiously), why is this 'suddenly' happening?

  • dynamox

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    Posted April 10th, 2014 10:00

    i definitely don't see this on my two VNX5700. Is it in root's history or nasadmin ?

  • etaljic81

    1000 Posts

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    Posted April 10th, 2014 10:00

    Ignore the unalias command since i misunderstood your question. You don't have an alias created for echo

  • 718

    0

    Posted April 10th, 2014 10:00

    @Ernes - no worries thank you for checking and clarifying.

    @Dynamox - this is output when i log in, so i assume this is under the "root" directory. I do login as 'nasadmin'. Not sure if that answers your question (?)

  • 1067

    0

    Posted April 10th, 2014 10:00

    Output of ALIAS below:

    [nasadmin@xxxxxxx ~]$ alias

    alias groupadd='echo Please use EMC Unisphere for User/Group management.'

    alias groupdel='echo Please use EMC Unisphere for User/Group management.'

    alias groupmod='echo Please use EMC Unisphere for User/Group management.'

    alias l.='ls -d .* --color=tty'

    alias ll='ls -l --color=tty'

    alias ls='ls --color=tty'

    alias useradd='echo Please use EMC Unisphere for User/Group management.'

    alias userdel='echo Please use EMC Unisphere for User/Group management.'

    alias usermod='echo Please use EMC Unisphere for User/Group management.'

    alias which='alias | /usr/bin/which --tty-only --read-alias --show-dot --show-tilde'

  • etaljic81

    1000 Posts

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    Posted April 10th, 2014 10:00

    Run the following command on the control station and paste the output: alias

  • etaljic81

    1000 Posts

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    Posted April 10th, 2014 10:00

    It's nasadmin based on the output he provided. I checked on my VNX as well and don't see it as well. Try a control station reboot and see if that solves it.

    [nasadmin@CONTROLSTATIONNAME~]$ history

  • etaljic81

    1000 Posts

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    Posted April 10th, 2014 10:00

    One more thing. If you see the echo command when you run the above command then you can simply unalias the echo command. Just run: unalias echo

  • 995

    0

    Posted April 10th, 2014 10:00

    hi Dynamox,

    Don't want to keep it lengthy, but here's a snippet from the Control Station. Its a VNX5700

    [nasadmin@CONTROLSTATIONNAME~]$ history

        3  04/08/14 20:10:06 echo

        4  04/08/14 20:15:11 echo

        5  04/08/14 20:15:11 echo

        6  04/08/14 20:20:16 echo

        7  04/08/14 20:20:16 echo

        8  04/08/14 20:25:20 echo

        9  04/08/14 20:25:20 echo

      10  04/08/14 20:30:26 echo

      11  04/08/14 20:30:26 echo

      12  04/08/14 20:35:30 echo

      13  04/08/14 20:35:30 echo

      14  04/08/14 20:40:35 echo

      15  04/08/14 20:40:35 echo

      16  04/08/14 20:45:39 echo

      17  04/08/14 20:45:40 echo

      18  04/08/14 20:50:44 echo

      19  04/08/14 20:50:44 echo

      20  04/08/14 20:55:48 echo

      21  04/08/14 20:55:48 echo

      22  04/08/14 21:00:53 echo

      23  04/08/14 21:00:53 echo

      24  04/08/14 21:05:57 echo

      25  04/08/14 21:05:57 echo

      26  04/08/14 21:11:02 echo

      27  04/08/14 21:11:02 echo

      28  04/08/14 21:16:06 echo

      29  04/08/14 21:16:06 echo

      30  04/08/14 21:21:11 echo

      31  04/08/14 21:21:11 echo

      32  04/08/14 21:26:15 echo

      33  04/08/14 21:26:15 echo

      34  04/08/14 21:31:19 echo

      35  04/08/14 21:31:19 echo

      36  04/08/14 21:36:23 echo

      37  04/08/14 21:36:23 echo

      38  04/08/14 21:41:28 echo

      39  04/08/14 21:41:28 echo

      40  04/08/14 21:46:32 echo

      41  04/08/14 21:46:32 echo

      42  04/08/14 21:51:36 echo

      43  04/08/14 21:51:36 echo

      44  04/08/14 21:56:41 echo

      45  04/08/14 21:56:41 echo

      46  04/08/14 22:01:47 echo

      47  04/08/14 22:01:47 echo

      48  04/08/14 22:06:52 echo

      49  04/08/14 22:06:52 echo

      50  04/08/14 22:11:56 echo

      51  04/08/14 22:11:56 echo

      52  04/08/14 22:17:00 echo

      53  04/08/14 22:17:00 echo

      54  04/08/14 22:22:05 echo

      55  04/08/14 22:22:05 echo

      56  04/08/14 22:27:09 echo

      57  04/08/14 22:27:09 echo

      58  04/08/14 22:32:14 echo

      59  04/08/14 22:32:14 echo

  • etaljic81

    1000 Posts

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    Posted April 10th, 2014 10:00

    I just saw your reply to dynamox and I misunderstood what you were asking. I thought that you said whenever you run an echo command a ping is being issues.

    I haven't sen this one before. Rebooting the control station is the only thing I can think of. Won't impact anything and the other control station will become primary.