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Former Member

Hana db filesystem directory structure and process command line

Hi experts,

Could someone provide please actual directory structure of Hana db filesystem?

Generally speaking, I need to model some Hana db(of 1.0, 1.5 versions) entities. Among them:

  • Schemas

  • Data files

  • Log files

  • Important configuration files

  • Database parameters(guess found in config files and command line)

  • Database version

The question is where i can find such information having access to filesystem?

One another question is how common Hana db commandline looks like?

Does it have one process or several?

It would be perfect if someone give some ps -aef command result grepped with relevant Hana Db processes

Thanks,

Eugene

Edited by: Eugene Kondrashev on Dec 28, 2011 12:51 PM

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  • author's profile photo Former Member
    Former Member
    Posted on Dec 29, 2011 at 12:12 AM

    Eugene - Below are the default directory structure per HANA Install guide:

    Installation Path /usr/sap

    Home directory /usr/sap/<SID>/home

    Home of the login shell /bin/sh

    Data volumes <inst_path>/<sid>/global/hdb/data

    Log volumes <inst_path>/<sid>/global/hdb/log

    Under the global directory you'll have the following sub-directories:

    ---global

    --security

    --sapcontrol

    --hdb

    -install

    bin

    | -hdbuninst

    | -hdbaddhost

    | -hdbrename

    |--data

    |--data_volume_0000...99999

    |--log

    |--hdb0001...99999

    |--log_segment_000_00000000.dat

    |--log_segment_000_00000000.dat

    I hope the above information helps.

    Regards,

    Octavio

    Edited by: Octavio Alvarez Jr on Dec 29, 2011 1:17 AM

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    • Former Member Lars Breddemann

      Hi Lars,

      Thank you for provided inputs, when we run df -k how does the output of file system look like...

      I have prepared based on istguide but just wanted to cross check since i am pretty confused few areas...

      Thanks,

      rahul

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