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Former Member

Is it Mandatory to have uuidd for SAP installation ?

Hello All,

I am installing Distributed SAP Netweaver 7.3 on Opensuse 12.3.

I am stuck during the installation of Primary Application Server at " Start Instance "  phase.

I see in the Dev_Dispatcher that the uuidd deamon is not running but, I see that the uuidd has been installed and able to get the id also.

My question is it Mandatory to have uuidd for SAP installation ?

Thanks & Regards,

Ananda Swaroop G K

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7 Answers

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    Former Member
    Nov 24, 2013 at 12:19 PM

    Hi Ananda,

    It is mandatory to have uuidd for SAP Installation. To solve the UUIDD problem during system consistency check, Please follow these steps,

    1) Loign As root

    2) uuidd-2.17.2-6.el6.x86_64.rpm install this RPM

    3) Execute the Following COmmand -

      

        service uuidd start

    4) Execute the Following Command-

          chkconfig uuidd on

    Re execute the SICK/SM28 T-code, It will solve the UUIDD problem.

    Regards

    Prathmesh Girdhari

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  • Jun 24, 2013 at 05:49 AM

    Hi Ananda,

    SAP ABAP and Java applications use universally unique identifiers (UUIDs) as database keys and for other purposes. On Linux those UUIDs are provided by the operating system and in case of problems with UUIDs you need to perform an upgrade on specific parts of your Linux operating system.

    UUIDs are generated on Linux by the "libuuid.so" shared library which comes with your Linux distribution. Older versions of "libuuid" have various bugs - e.g. duplicate UUIDs are generated - and as such it is important that you install the latest available libuuid library.

    Especially with SAP products using 7.10 kernel or higher, UUIDs are getting more important. In this case an errorneous libuuid implementation can produce database inconsistenses that can be dangerous in productive systems. This issue arises from UUID duplicates that are possible when UUIDs are created massively in a short time period. Currently we know about such massive UUID creations in SAP banking services, in SAP SCM 7.00 EhP 1 and higher (SAP note 1640217), in SAP CRM 7.00 EhP 2, and during upgrades.

    For additional information refer SAP

    Note 1310037 - SUSE LINUX Enterprise Server 11: Installation notes

    Hope this helps.

    Regards,

    Deepak Kori

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    Former Member
    Jun 24, 2013 at 07:33 AM

    Hi Ananda,

    as you can read from SAP note 1391070 (where Deepak quoted from), the installation of the uuid daemon is strongly recommended for various reasons.

    Nevertheless, an inactive uuidd should not hinder the system from starting but report warnings, like sick messages - so your is probably caused by something different.

    What does dev_disp complain about?

    Best Regards,

    Alexander.

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    Former Member
    Jul 03, 2013 at 05:03 AM

    Hello All,

    I apologize for delayed response. Thanks for your reply. I have installed the latest uuid and it worked.

    Best Regards,

    Ananda Swaroop G K

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    Former Member
    Nov 21, 2013 at 12:05 PM

    Hi all ,

    I have installed solution manager  7.1.When login and run sick i get the below error.

    can anyone suggest any solution with this short dump.

    thanks,

    Vengal


    Capture7.PNG (11.4 kB)
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    Former Member
    Nov 24, 2013 at 02:37 PM

    Hi ALL,

    It will referred this notes 1391070 - Linux UUID solutions.

    solved the problem & follows step.

    login root user install this rpm uuidd-2.17.2-6.el6

    run the commands

    #> service uuidd start

    #>chkconfig uuidd on

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    Former Member
    Nov 27, 2013 at 07:06 AM

    Hi all,

    I am trying to install uuid rpm but its showing the below error.i have a doubt weather the cd has to be used while installing the rpm package.

    Capture12.PNG

    kindly provide your suggestions.

    Thanks,

    Vengal

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