O/S error:(OS 121) The semophore timeout period has expired
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Thread: O/S error:(OS 121) The semophore timeout period has expired

  1. #1
    Join Date
    Jun 2006
    Posts
    40

    Exclamation O/S error:(OS 121) The semophore timeout period has expired

    Hi,
    On one of our database ,there is RMAN differential incremental backup strategy.
    On Wednesday there was level 1 backup, but BAckup failed due to following errors:
    RMAN-03009 - Failure of backup commnand
    ORA-19502 - Write error on file
    ORA-27072 - skgfdisp : I/O error
    OSD-04008 - Write file() failure unable to write to file.
    O/S error : (OS 121) The semophore timeout period has expired.

    Can u please tell why this error occured? What does mean OS 121 error and how to fix it?

    Thanks in advance.

    Urgent help is highly appriciable.

  2. #2
    Join Date
    Apr 2001
    Location
    Bangalore, India
    Posts
    727
    Post your OS name and backup script.
    Thomas Saviour(royxavier@yahoo.com)
    Technical Lead (Databases)
    Thomson Reuters (Markets)

    http://ora600tom.wordpress.com/

  3. #3
    Join Date
    Mar 2006
    Location
    Charlotte, NC
    Posts
    865
    check your semaphores setting using 'ipcs' and list them too....along with your os / oracle versions.

    Thank you,
    Vijay Tummala

    Try hard to get what you like OR you will be forced to like what you get.

  4. #4
    Join Date
    Jun 2006
    Posts
    40
    The OS is Windows 2000 Service pack 4. As far as script is concern, we are using the same script since last 6 to 7 months. I've never come across such error.

    I hope this helps.

    Please let me know the problable reason and the solution for it.

    Thanks for your time.

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