convertXdr(): Insufficient buffer

Last post 03-02-2016, 2:24 AM by lukasz.borek. 4 replies.
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  • convertXdr(): Insufficient buffer
    Posted: 03-01-2016, 12:30 PM

    Hi!

    My linux based MA put those messages in cvd.log during backup window. Can't find any note around that in documentation/knowladge base. What buffer can it be relaed to and is it an issue?

     


    5029 40e69700 03/01 18:19:57 ##### *** convertXdr(): Insufficient buffer size 65512.

    5029 40e69700 03/01 18:19:57 ##### *** convertXdr(): Have to use tmp file /opt/simpana/Base/Temp/cvsF93quu.

    5029 40e69700 03/01 18:19:57 ##### *** convertXdr(): XDR file size=3958448.

    5029 40e69700 03/01 18:19:58 ##### *** convertXdr(): Insufficient buffer size 65512.

    5029 40e69700 03/01 18:19:58 ##### *** convertXdr(): Have to use tmp file /opt/simpana/Base/Temp/cvs8BK1Ik.

    5029 40e69700 03/01 18:19:58 ##### *** convertXdr(): XDR file size=3840400.

     

     

    Thanks. 

  • Re: convertXdr(): Insufficient buffer
    Posted: 03-01-2016, 1:01 PM

    Were there any JOB ID failures during that time frame? Is there any errors occuring further down in the CVD log after that time stamp? It would be hard to say for sure with just that snipet alone.

    Typically this could be related to pipeline buffers and system memory.

    Regards

    SG1

  • Re: convertXdr(): Insufficient buffer
    Posted: 03-01-2016, 1:53 PM

    No particular error related later. I was just couriouse if that can impact backup speed. 

    So based on :

    http://documentation.commvault.com/commvault/v10/article?p=features/network/data_pipe_buffers.htm

    we can asume that buffers at media agent site are full and dump to disk need to be done?

    nNumPipelineBuffers parameter apply to each backup job currently runing? And by default 30 buffers are allocated at both client & MA site? If I increse MA nNumPipelineBuffers to for example 100 this setting will also apply client?

     

    Or just leave it as is and not reason to worry about? 

     

    Thanks. 

  • Re: convertXdr(): Insufficient buffer
    Posted: 03-01-2016, 3:19 PM

    If your not having any job failures now I would just keep an eye on it, the lines are not necessarily errors messges.

    If you are going to increase the buffers you may also want to make sure you have the linux kernel parameters set per this link too.

    http://documentation.commvault.com/commvault/v10/article?p=products/unix/kernel_parameters.htm#Linux

  • Re: convertXdr(): Insufficient buffer
    Posted: 03-02-2016, 2:24 AM

    Thanks! Very helpfull. 

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