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Harshak

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11 years ago

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Harshak

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52 Posts

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7479

November 22nd, 2015 10:00

Disk operation errors in AIX

Can any one help me in fixing the disk operation errors in AIX hosts connected to VMAX, Support says everything is fine with HBA,cable, SFP and VMAX..But still we are facing this issue. Appreciate your help on this.

IDENTIFIER TIMESTAMP  T C RESOURCE_NAME  DESCRIPTION

DCB47997   1117180615 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180615 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180615 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180615 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180515 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180515 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180415 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180415 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180415 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180415 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180415 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180415 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180315 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180315 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180215 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180215 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180215 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180115 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180015 T H hdisk0         DISK OPERATION ERROR

  • PedalHarder

    4 Apprentice

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    465 Posts

    4755

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    Posted November 22nd, 2015 15:00

    You need to get the verbose output of the errpt with the -a flag then decode the sense data to understand what the errors are about. There is a good how-to article here:

    https://support.emc.com/kb/209240

  • storage_eng

    1 Message

    4755

    0

    Posted November 25th, 2015 05:00

    I see that the issue is with just one device .. hdisk5 .
    Copy paste the first two Sense code lines from the errpt -a log so that we can find the issue

  • 4755

    0

    Posted December 27th, 2015 12:00

    Hello Koppuru,

    If you are still experiencing these error messages please open a service request with the software teams.

    If PP is installed open it with the PP for AIX team.

    Please make sure you are using the correct reserve policy for the environment.

    https://support.emc.com/docu5126_Host_Connectivity_Guide_for_IBM_AIX.pdf?language=en_US