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BranHA

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5 years ago

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BranHA

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November 10th, 2021 06:00

SC4020 in critical state

We have a compellent 4020 that is giving us these errors:

[auth_sc:error]  cache_create_entry:  already exists
authd: daemon status=0 length=106
 
We've been seeing these for going on 3 or 4 days now. The logs don't give me anything to work with. LEDs on the front are indicating a software problem, but all volumes are still accessible and the SAN hasn't crashed so far.
 
  • DellEMCSupport

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    Posted November 11th, 2021 08:00

    Hello BranHA,

     

    This message is associated to the ability of the Storage Center to recognize LDAP and Kerberos to establish Directory Services introduced in SCOS code 7.3 and later releases. The messages are harmless, benign in nature for informational purposes. They can be safely ignored. Currently the messages cannot be suppress and they are working as designed.

     

    The LEDs may be a different issue. If you would like to post a picture of the LED's we may be able to determine something or you may need to call into support to look over the controller logs.

     

  • DELL-Josh Cr

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    Posted November 10th, 2021 10:00

    Hi,

    These are normal if something is doing api calls to the device. Did anything change in your environment that could be monitoring the status of the device?

  • BranHA

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    Posted November 10th, 2021 11:00

    We set up PRTG alerts on the SAN but that was after we started receiving these alerts. That's the only thing i can think of.

  • DELL-Josh Cr

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    Posted November 10th, 2021 12:00

    Is it on the current version of SCOS?

  • BranHA

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    Posted November 11th, 2021 06:00

    It is running on version 7.4.21.4

  • BranHA

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    Posted November 11th, 2021 11:00

    The LEDs on the front of the controller are appearing normal now but we still receive the alerts. There's no way to suppress the alarms if they are normal? The email alerts we receive are saying its "Enclosure - 1 is emitting a tone indicating a problem." yet walk in the server room and there is nothing coming from the SAN.

  • DELL-Josh Cr

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    Posted November 11th, 2021 11:00

    Looking at the release notes for 7.5.2 and 7.5.1 they have some fixes for alerts. It may also be worth rebooting each controller and seeing if that resolves the message creation.

    https://dell.to/3F85ktb

    https://dell.to/3onebAw

  • BranHA

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    Posted November 15th, 2021 06:00

    I'll try to find time to reboot and update as to if the alerts go away. Thanks!

  • BranHA

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    Posted November 18th, 2021 11:00

    We were able to reboot the controllers last night and the alerts were paused until about noon today. Any other ideas?

  • DELL-Josh Cr

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    Posted November 18th, 2021 12:00

    The other thing to try is to update to 7.5.2.